filter: add metadata filters FIXME needs docs and tests

Fixes #6353
2025-12-29 06:33:16 +00:00 · 2022-08-04 18:19:45 +01:00
711 changed files with 17525 additions and 59056 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+github: [ncw]
+patreon: njcw
+liberapay: ncw
+custom: ["https://rclone.org/donate/"]
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,6 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,31 +8,29 @@ name: build
 on:
  push:
    branches:
-      - '**'
+      - '*'
    tags:
-      - '**'
+      - '*'
  pull_request:
  workflow_dispatch:
    inputs:
      manual:
-        description: Manual run (bypass default conditions)
-        type: boolean
        required: true
        default: true

 jobs:
  build:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
-        job_name: ['linux', 'linux_386', 'mac_amd64', 'mac_arm64', 'windows', 'other_os', 'go1.18', 'go1.19']
+        job_name: ['linux', 'linux_386', 'mac_amd64', 'mac_arm64', 'windows', 'other_os', 'go1.17', 'go1.18']

        include:
          - job_name: linux
            os: ubuntu-latest
-            go: '1.20'
+            go: '1.19.x'
            gotags: cmount
            build_flags: '-include "^linux/"'
            check: true
@@ -43,14 +41,14 @@ jobs:

          - job_name: linux_386
            os: ubuntu-latest
-            go: '1.20'
+            go: '1.19.x'
            goarch: 386
            gotags: cmount
            quicktest: true

          - job_name: mac_amd64
            os: macos-11
-            go: '1.20'
+            go: '1.19.x'
            gotags: 'cmount'
            build_flags: '-include "^darwin/amd64" -cgo'
            quicktest: true
@@ -59,14 +57,14 @@ jobs:

          - job_name: mac_arm64
            os: macos-11
-            go: '1.20'
+            go: '1.19.x'
            gotags: 'cmount'
            build_flags: '-include "^darwin/arm64" -cgo -macos-arch arm64 -cgo-cflags=-I/usr/local/include -cgo-ldflags=-L/usr/local/lib'
            deploy: true

          - job_name: windows
            os: windows-latest
-            go: '1.20'
+            go: '1.19.x'
            gotags: cmount
            cgo: '0'
            build_flags: '-include "^windows/"'
@@ -76,20 +74,20 @@ jobs:

          - job_name: other_os
            os: ubuntu-latest
-            go: '1.20'
+            go: '1.19.x'
            build_flags: '-exclude "^(windows/|darwin/|linux/)"'
            compile_all: true
            deploy: true

-          - job_name: go1.18
+          - job_name: go1.17
            os: ubuntu-latest
-            go: '1.18'
+            go: '1.17.x'
            quicktest: true
            racequicktest: true

-          - job_name: go1.19
+          - job_name: go1.18
            os: ubuntu-latest
-            go: '1.19'
+            go: '1.18.x'
            quicktest: true
            racequicktest: true

@@ -99,13 +97,14 @@ jobs:

    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v2
        with:
+          stable: 'false'
          go-version: ${{ matrix.go }}
          check-latest: true

@@ -124,7 +123,7 @@ jobs:
          sudo modprobe fuse
          sudo chmod 666 /dev/fuse
          sudo chown root:$USER /etc/fuse.conf
-          sudo apt-get install fuse3 libfuse-dev rpm pkg-config
+          sudo apt-get install fuse libfuse-dev rpm pkg-config
        if: matrix.os == 'ubuntu-latest'

      - name: Install Libraries on macOS
@@ -163,7 +162,7 @@ jobs:
          env

      - name: Go module cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -217,17 +216,20 @@ jobs:
          RCLONE_CONFIG_PASS: ${{ secrets.RCLONE_CONFIG_PASS }}
        # working-directory: '$(modulePath)'
        # Deploy binaries if enabled in config && not a PR && not a fork
-        if: env.RCLONE_CONFIG_PASS != '' && matrix.deploy && github.head_ref == '' && github.repository == 'rclone/rclone'
+        if: matrix.deploy && github.head_ref == '' && github.repository == 'rclone/rclone'

  lint:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 30
    name: "lint"
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
+        with:
+          # FIXME temporary until golangci-lint supports go1.19
+          go-version: 1.18.x

      - name: Code quality test
        uses: golangci/golangci-lint-action@v3
@@ -235,39 +237,26 @@ jobs:
          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
          version: latest

-      # Run govulncheck on the latest go version, the one we build binaries with
-      - name: Install Go
-        uses: actions/setup-go@v4
-        with:
-          go-version: '1.20'
-          check-latest: true
-
-      - name: Install govulncheck
-        run: go install golang.org/x/vuln/cmd/govulncheck@latest
-
-      - name: Scan for vulnerabilities
-        run: govulncheck ./...
-
  android:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 30
    name: "android-all"
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      # Upgrade together with NDK version
      - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v1
        with:
-          go-version: '1.20'
+          go-version: 1.19.x

      - name: Go module cache
-        uses: actions/cache@v3
+        uses: actions/cache@v2
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -352,4 +341,4 @@ jobs:
        env:
          RCLONE_CONFIG_PASS: ${{ secrets.RCLONE_CONFIG_PASS }}
        # Upload artifacts if not a PR && not a fork
-        if: env.RCLONE_CONFIG_PASS != '' && github.head_ref == '' && github.repository == 'rclone/rclone'
+        if: github.head_ref == '' && github.repository == 'rclone/rclone'
--- a/.github/workflows/build_publish_beta_docker_image.yml
+++ b/.github/workflows/build_publish_beta_docker_image.yml
@@ -1,61 +0,0 @@
-name: Docker beta build
-
-on:
-    push:
-      branches:
-        - master
-jobs:
-    build:
-        if: github.repository == 'rclone/rclone'
-        runs-on: ubuntu-latest
-        name: Build image job
-        steps:
-            - name: Checkout master
-              uses: actions/checkout@v3
-              with:
-                fetch-depth: 0
-            - name: Login to Docker Hub
-              uses: docker/login-action@v2
-              with:
-                username: ${{ secrets.DOCKERHUB_USERNAME }}
-                password: ${{ secrets.DOCKERHUB_TOKEN }}
-            - name: Extract metadata (tags, labels) for Docker
-              id: meta
-              uses: docker/metadata-action@v4
-              with:
-                images: ghcr.io/${{ github.repository }}
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v2
-            - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v2
-            - name: Login to GitHub Container Registry
-              uses: docker/login-action@v2
-              with:
-                registry: ghcr.io
-                # This is the user that triggered the Workflow. In this case, it will
-                # either be the user whom created the Release or manually triggered
-                # the workflow_dispatch.
-                username: ${{ github.actor }}
-                # `secrets.GITHUB_TOKEN` is a secret that's automatically generated by
-                # GitHub Actions at the start of a workflow run to identify the job.
-                # This is used to authenticate against GitHub Container Registry.
-                # See https://docs.github.com/en/actions/security-guides/automatic-token-authentication#about-the-github_token-secret
-                # for more detailed information.
-                password: ${{ secrets.GITHUB_TOKEN }}
-
-            - name: Build and publish image
-              uses: docker/build-push-action@v4
-              with:
-                file: Dockerfile
-                context: .
-                push: true # push the image to ghcr
-                tags: |
-                  ghcr.io/rclone/rclone:beta
-                  rclone/rclone:beta
-                labels: ${{ steps.meta.outputs.labels }}
-                platforms: linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6
-                cache-from: type=gha
-                cache-to: type=gha,mode=max
-                provenance: false
-              # Eventually cache will need to be cleared if builds more frequent than once a week
-              # https://github.com/docker/build-push-action/issues/252
--- a/.github/workflows/build_publish_docker_image.yml
+++ b/.github/workflows/build_publish_docker_image.yml
@@ -0,0 +1,26 @@
+name: Docker beta build
+
+on:
+    push:
+      branches:
+        - master
+
+jobs:
+    build:
+        if: github.repository == 'rclone/rclone'
+        runs-on: ubuntu-latest
+        name: Build image job
+        steps:
+            - name: Checkout master
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+            - name: Build and publish image
+              uses: ilteoood/docker_buildx@1.1.0
+              with:
+                tag: beta
+                imageName: rclone/rclone
+                platform: linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6
+                publish: true
+                dockerHubUser: ${{ secrets.DOCKER_HUB_USER }}
+                dockerHubPassword: ${{ secrets.DOCKER_HUB_PASSWORD }}
--- a/.github/workflows/build_publish_release_docker_image.yml
+++ b/.github/workflows/build_publish_release_docker_image.yml
@@ -11,7 +11,7 @@ jobs:
        name: Build image job
        steps:
            - name: Checkout master
-              uses: actions/checkout@v3
+              uses: actions/checkout@v2
              with:
                fetch-depth: 0
            - name: Get actual patch version
@@ -40,7 +40,7 @@ jobs:
        name: Build docker plugin job
        steps:
            - name: Checkout master
-              uses: actions/checkout@v3
+              uses: actions/checkout@v2
              with:
                fetch-depth: 0
            - name: Build and publish docker plugin
--- a/.github/workflows/winget.yml
+++ b/.github/workflows/winget.yml
@@ -1,14 +0,0 @@
-name: Publish to Winget
-on:
-  release:
-    types: [released]
-
-jobs:
-  publish:
-    runs-on: windows-latest # Action can only run on Windows
-    steps:
-      - uses: vedantmgoyal2009/winget-releaser@v2
-        with:
-          identifier: Rclone.Rclone
-          installers-regex: '-windows-\w+\.zip$'
-          token: ${{ secrets.WINGET_TOKEN }}
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -2,17 +2,15 @@

 linters:
  enable:
+    - deadcode
    - errcheck
    - goimports
    - revive
    - ineffassign
+    - structcheck
+    - varcheck
    - govet
    - unconvert
-    - staticcheck
-    - gosimple
-    - stylecheck
-    - unused
-    - misspell
    #- prealloc
    #- maligned
  disable-all: true
@@ -22,35 +20,11 @@ issues:
  exclude-use-default: false

  # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
-  max-issues-per-linter: 0
+  max-per-linter: 0

  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
  max-same-issues: 0

-  exclude-rules:
-
-    - linters:
-      - staticcheck
-      text: 'SA1019: "github.com/rclone/rclone/cmd/serve/httplib" is deprecated'
-
 run:
  # timeout for analysis, e.g. 30s, 5m, default is 1m
  timeout: 10m
-
-linters-settings:
-  revive:
-    rules:
-      - name: unreachable-code
-        disabled: true
-      - name: unused-parameter
-        disabled: true
-      - name: empty-block
-        disabled: true
-      - name: redefines-builtin-id
-        disabled: true
-      - name: superfluous-else
-        disabled: true
-  stylecheck:
-    # Only enable the checks performed by the staticcheck stand-alone tool,
-    # as documented here: https://staticcheck.io/docs/configuration/options/#checks
-    checks: ["all", "-ST1000", "-ST1003", "-ST1016", "-ST1020", "-ST1021", "-ST1022", "-ST1023"]
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -77,7 +77,7 @@ Make sure you
  * Add [documentation](#writing-documentation) for a new feature.
  * [Commit your changes](#committing-your-changes) using the [message guideline](#commit-messages).

-When you are done with that push your changes to GitHub:
+When you are done with that push your changes to Github:

    git push -u origin my-new-feature

@@ -88,7 +88,7 @@ Your changes will then get reviewed and you might get asked to fix some stuff. I

 You may sometimes be asked to [base your changes on the latest master](#basing-your-changes-on-the-latest-master) or [squash your commits](#squashing-your-commits).

-## Using Git and GitHub ##
+## Using Git and Github ##

 ### Committing your changes ###

--- a/2
+++ b/2
@@ -11,7 +11,7 @@ RUN ./rclone version
 # Begin final image
 FROM alpine:latest

-RUN apk --no-cache add ca-certificates fuse3 tzdata && \
+RUN apk --no-cache add ca-certificates fuse tzdata && \
  echo "user_allow_other" >> /etc/fuse.conf

 COPY --from=builder /go/src/github.com/rclone/rclone/rclone /usr/local/bin/
--- a/MAINTAINERS.md
+++ b/MAINTAINERS.md
@@ -16,8 +16,6 @@ Current active maintainers of rclone are:
 | Max Sum          | @Max-Sum          | union backend                |
 | Fred             | @creativeprojects | seafile backend              |
 | Caleb Case       | @calebcase        | storj backend                |
-| wiserain         | @wiserain         | pikpak backend               |
-| albertony        | @albertony        |                              |

 **This is a work in progress Draft**

--- a/MANUAL.html
+++ b/MANUAL.html
--- a/MANUAL.md
+++ b/MANUAL.md
--- a/MANUAL.txt
+++ b/MANUAL.txt
--- a/5
+++ b/5
@@ -81,9 +81,6 @@ quicktest:
 racequicktest:
 	RCLONE_CONFIG="/notfound" go test $(BUILDTAGS) -cpu=2 -race ./...

-compiletest:
-	RCLONE_CONFIG="/notfound" go test $(BUILDTAGS) -run XXX ./...
-
 # Do source code quality checks
 check:	rclone
 	@echo "-- START CODE QUALITY REPORT -------------------------------"
@@ -96,7 +93,7 @@ build_dep:

 # Get the release dependencies we only install on linux
 release_dep_linux:
-	go install github.com/goreleaser/nfpm/v2/cmd/nfpm@latest
+	go run bin/get-github-release.go -extract nfpm goreleaser/nfpm 'nfpm_.*_Linux_x86_64\.tar\.gz'

 # Get the release dependencies we only install on Windows
 release_dep_windows:
--- a/README.md
+++ b/README.md
@@ -25,19 +25,18 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * Alibaba Cloud (Aliyun) Object Storage System (OSS) [:page_facing_up:](https://rclone.org/s3/#alibaba-oss)
  * Amazon Drive [:page_facing_up:](https://rclone.org/amazonclouddrive/) ([See note](https://rclone.org/amazonclouddrive/#status))
  * Amazon S3 [:page_facing_up:](https://rclone.org/s3/)
-  * ArvanCloud Object Storage (AOS) [:page_facing_up:](https://rclone.org/s3/#arvan-cloud-object-storage-aos)
  * Backblaze B2 [:page_facing_up:](https://rclone.org/b2/)
  * Box [:page_facing_up:](https://rclone.org/box/)
  * Ceph [:page_facing_up:](https://rclone.org/s3/#ceph)
  * China Mobile Ecloud Elastic Object Storage (EOS) [:page_facing_up:](https://rclone.org/s3/#china-mobile-ecloud-eos)
  * Cloudflare R2 [:page_facing_up:](https://rclone.org/s3/#cloudflare-r2)
+  * Arvan Cloud Object Storage (AOS) [:page_facing_up:](https://rclone.org/s3/#arvan-cloud-object-storage-aos)
  * Citrix ShareFile [:page_facing_up:](https://rclone.org/sharefile/)
  * DigitalOcean Spaces [:page_facing_up:](https://rclone.org/s3/#digitalocean-spaces)
  * Digi Storage [:page_facing_up:](https://rclone.org/koofr/#digi-storage)
  * Dreamhost [:page_facing_up:](https://rclone.org/s3/#dreamhost)
  * Dropbox [:page_facing_up:](https://rclone.org/dropbox/)
  * Enterprise File Fabric [:page_facing_up:](https://rclone.org/filefabric/)
-  * Fastmail Files [:page_facing_up:](https://rclone.org/webdav/#fastmail-files)
  * FTP [:page_facing_up:](https://rclone.org/ftp/)
  * Google Cloud Storage [:page_facing_up:](https://rclone.org/googlecloudstorage/)
  * Google Drive [:page_facing_up:](https://rclone.org/drive/)
@@ -46,12 +45,11 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * HiDrive [:page_facing_up:](https://rclone.org/hidrive/)
  * HTTP [:page_facing_up:](https://rclone.org/http/)
  * Huawei Cloud Object Storage Service(OBS) [:page_facing_up:](https://rclone.org/s3/#huawei-obs)
+  * Hubic [:page_facing_up:](https://rclone.org/hubic/)
  * Internet Archive [:page_facing_up:](https://rclone.org/internetarchive/)
  * Jottacloud [:page_facing_up:](https://rclone.org/jottacloud/)
  * IBM COS S3 [:page_facing_up:](https://rclone.org/s3/#ibm-cos-s3)
-  * IONOS Cloud [:page_facing_up:](https://rclone.org/s3/#ionos)
  * Koofr [:page_facing_up:](https://rclone.org/koofr/)
-  * Liara Object Storage [:page_facing_up:](https://rclone.org/s3/#liara-object-storage)
  * Mail.ru Cloud [:page_facing_up:](https://rclone.org/mailru/)
  * Memset Memstore [:page_facing_up:](https://rclone.org/swift/)
  * Mega [:page_facing_up:](https://rclone.org/mega/)
@@ -61,26 +59,20 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * Minio [:page_facing_up:](https://rclone.org/s3/#minio)
  * Nextcloud [:page_facing_up:](https://rclone.org/webdav/#nextcloud)
  * OVH [:page_facing_up:](https://rclone.org/swift/)
-  * Blomp Cloud Storage [:page_facing_up:](https://rclone.org/swift/)
  * OpenDrive [:page_facing_up:](https://rclone.org/opendrive/)
  * OpenStack Swift [:page_facing_up:](https://rclone.org/swift/)
  * Oracle Cloud Storage [:page_facing_up:](https://rclone.org/swift/)
-  * Oracle Object Storage [:page_facing_up:](https://rclone.org/oracleobjectstorage/)
  * ownCloud [:page_facing_up:](https://rclone.org/webdav/#owncloud)
  * pCloud [:page_facing_up:](https://rclone.org/pcloud/)
-  * Petabox [:page_facing_up:](https://rclone.org/s3/#petabox)
-  * PikPak [:page_facing_up:](https://rclone.org/pikpak/)
  * premiumize.me [:page_facing_up:](https://rclone.org/premiumizeme/)
  * put.io [:page_facing_up:](https://rclone.org/putio/)
  * QingStor [:page_facing_up:](https://rclone.org/qingstor/)
-  * Qiniu Cloud Object Storage (Kodo) [:page_facing_up:](https://rclone.org/s3/#qiniu)
  * Rackspace Cloud Files [:page_facing_up:](https://rclone.org/swift/)
  * RackCorp Object Storage [:page_facing_up:](https://rclone.org/s3/#RackCorp)
  * Scaleway [:page_facing_up:](https://rclone.org/s3/#scaleway)
  * Seafile [:page_facing_up:](https://rclone.org/seafile/)
  * SeaweedFS [:page_facing_up:](https://rclone.org/s3/#seaweedfs)
  * SFTP [:page_facing_up:](https://rclone.org/sftp/)
-  * SMB / CIFS [:page_facing_up:](https://rclone.org/smb/)
  * StackPath [:page_facing_up:](https://rclone.org/s3/#stackpath)
  * Storj [:page_facing_up:](https://rclone.org/storj/)
  * SugarSync [:page_facing_up:](https://rclone.org/sugarsync/)
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -10,7 +10,7 @@ This file describes how to make the various kinds of releases
 ## Making a release

  * git checkout master # see below for stable branch
-  * git pull # IMPORTANT
+  * git pull
  * git status - make sure everything is checked in
  * Check GitHub actions build for master is Green
  * make test # see integration test server or run locally
@@ -21,7 +21,6 @@ This file describes how to make the various kinds of releases
  * git status - to check for new man pages - git add them
  * git commit -a -v -m "Version v1.XX.0"
  * make retag
-  * git push origin # without --follow-tags so it doesn't push the tag if it fails
  * git push --follow-tags origin
  * # Wait for the GitHub builds to complete then...
  * make fetch_binaries
@@ -54,14 +53,6 @@ doing that so it may be necessary to roll back dependencies to the
 version specified by `make updatedirect` in order to get rclone to
 build.

-## Tidy beta
-
-At some point after the release run
-
-    bin/tidy-beta v1.55
-
-where the version number is that of a couple ago to remove old beta binaries.
-
 ## Making a point release

 If rclone needs a point release due to some horrendous bug:
@@ -75,7 +66,8 @@ Set vars
 First make the release branch.  If this is a second point release then
 this will be done already.

-  * git co -b ${BASE_TAG}-stable ${BASE_TAG}.0
+  * git branch ${BASE_TAG} ${BASE_TAG}-stable
+  * git co ${BASE_TAG}-stable
  * make startstable

 Now
--- a/2
+++ b/2
@@ -1 +1 @@
-v1.63.1
+v1.60.0
--- a/backend/alias/alias.go
+++ b/backend/alias/alias.go
@@ -1,4 +1,3 @@
-// Package alias implements a virtual provider to rename existing remotes.
 package alias

 import (
--- a/backend/all/all.go
+++ b/backend/all/all.go
@@ -1,4 +1,3 @@
-// Package all imports all the backends
 package all

 import (
@@ -24,6 +23,7 @@ import (
 	_ "github.com/rclone/rclone/backend/hdfs"
 	_ "github.com/rclone/rclone/backend/hidrive"
 	_ "github.com/rclone/rclone/backend/http"
+	_ "github.com/rclone/rclone/backend/hubic"
 	_ "github.com/rclone/rclone/backend/internetarchive"
 	_ "github.com/rclone/rclone/backend/jottacloud"
 	_ "github.com/rclone/rclone/backend/koofr"
@@ -34,9 +34,7 @@ import (
 	_ "github.com/rclone/rclone/backend/netstorage"
 	_ "github.com/rclone/rclone/backend/onedrive"
 	_ "github.com/rclone/rclone/backend/opendrive"
-	_ "github.com/rclone/rclone/backend/oracleobjectstorage"
 	_ "github.com/rclone/rclone/backend/pcloud"
-	_ "github.com/rclone/rclone/backend/pikpak"
 	_ "github.com/rclone/rclone/backend/premiumizeme"
 	_ "github.com/rclone/rclone/backend/putio"
 	_ "github.com/rclone/rclone/backend/qingstor"
@@ -45,7 +43,6 @@ import (
 	_ "github.com/rclone/rclone/backend/sftp"
 	_ "github.com/rclone/rclone/backend/sharefile"
 	_ "github.com/rclone/rclone/backend/sia"
-	_ "github.com/rclone/rclone/backend/smb"
 	_ "github.com/rclone/rclone/backend/storj"
 	_ "github.com/rclone/rclone/backend/sugarsync"
 	_ "github.com/rclone/rclone/backend/swift"
--- a/backend/amazonclouddrive/amazonclouddrive.go
+++ b/backend/amazonclouddrive/amazonclouddrive.go
@@ -556,9 +556,9 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 //
 // This is a workaround for Amazon sometimes returning
 //
-//   - 408 REQUEST_TIMEOUT
-//   - 504 GATEWAY_TIMEOUT
-//   - 500 Internal server error
+//  * 408 REQUEST_TIMEOUT
+//  * 504 GATEWAY_TIMEOUT
+//  * 500 Internal server error
 //
 // At the end of large uploads.  The speculation is that the timeout
 // is waiting for the sha1 hashing to complete and the file may well
@@ -626,7 +626,7 @@ func (f *Fs) checkUpload(ctx context.Context, resp *http.Response, in io.Reader,

 // Put the object into the container
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -685,9 +685,9 @@ func (f *Fs) Mkdir(ctx context.Context, dir string) error {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1002,6 +1002,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
--- a/backend/azureblob/azureblob.go
+++ b/backend/azureblob/azureblob.go
--- a/backend/azureblob/azureblob_internal_test.go
+++ b/backend/azureblob/azureblob_internal_test.go
@@ -1,5 +1,5 @@
-//go:build !plan9 && !solaris && !js && go1.18
-// +build !plan9,!solaris,!js,go1.18
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js

 package azureblob

--- a/backend/azureblob/azureblob_test.go
+++ b/backend/azureblob/azureblob_test.go
@@ -1,15 +1,15 @@
 // Test AzureBlob filesystem interface

-//go:build !plan9 && !solaris && !js && go1.18
-// +build !plan9,!solaris,!js,go1.18
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js

 package azureblob

 import (
+	"context"
 	"testing"

 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
 	"github.com/stretchr/testify/assert"
 )
@@ -17,31 +17,10 @@ import (
 // TestIntegration runs integration tests against the remote
 func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
-		RemoteName:  "TestAzureBlob:",
-		NilObject:   (*Object)(nil),
-		TiersToTest: []string{"Hot", "Cool"},
-		ChunkedUpload: fstests.ChunkedUploadConfig{
-			MinChunkSize: defaultChunkSize,
-		},
-	})
-}
-
-// TestIntegration2 runs integration tests against the remote
-func TestIntegration2(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("Skipping as -remote set")
-	}
-	name := "TestAzureBlob:"
-	fstests.Run(t, &fstests.Opt{
-		RemoteName:  name,
-		NilObject:   (*Object)(nil),
-		TiersToTest: []string{"Hot", "Cool"},
-		ChunkedUpload: fstests.ChunkedUploadConfig{
-			MinChunkSize: defaultChunkSize,
-		},
-		ExtraConfig: []fstests.ExtraConfigItem{
-			{Name: name, Key: "directory_markers", Value: "true"},
-		},
+		RemoteName:    "TestAzureBlob:",
+		NilObject:     (*Object)(nil),
+		TiersToTest:   []string{"Hot", "Cool"},
+		ChunkedUpload: fstests.ChunkedUploadConfig{},
 	})
 }

@@ -53,6 +32,36 @@ var (
 	_ fstests.SetUploadChunkSizer = (*Fs)(nil)
 )

+// TestServicePrincipalFileSuccess checks that, given a proper JSON file, we can create a token.
+func TestServicePrincipalFileSuccess(t *testing.T) {
+	ctx := context.TODO()
+	credentials := `
+{
+    "appId": "my application (client) ID",
+    "password": "my secret",
+    "tenant": "my active directory tenant ID"
+}
+`
+	tokenRefresher, err := newServicePrincipalTokenRefresher(ctx, []byte(credentials))
+	if assert.NoError(t, err) {
+		assert.NotNil(t, tokenRefresher)
+	}
+}
+
+// TestServicePrincipalFileFailure checks that, given a JSON file with a missing secret, it returns an error.
+func TestServicePrincipalFileFailure(t *testing.T) {
+	ctx := context.TODO()
+	credentials := `
+{
+    "appId": "my application (client) ID",
+    "tenant": "my active directory tenant ID"
+}
+`
+	_, err := newServicePrincipalTokenRefresher(ctx, []byte(credentials))
+	assert.Error(t, err)
+	assert.EqualError(t, err, "error creating service principal token: parameter 'secret' cannot be empty")
+}
+
 func TestValidateAccessTier(t *testing.T) {
 	tests := map[string]struct {
 		accessTier string
--- a/backend/azureblob/azureblob_unsupported.go
+++ b/backend/azureblob/azureblob_unsupported.go
@@ -1,7 +1,7 @@
 // Build for azureblob for unsupported platforms to stop go complaining
 // about "no buildable Go source files "

-//go:build plan9 || solaris || js || !go1.18
-// +build plan9 solaris js !go1.18
+//go:build plan9 || solaris || js
+// +build plan9 solaris js

 package azureblob
--- a/backend/azureblob/imds.go
+++ b/backend/azureblob/imds.go
@@ -0,0 +1,137 @@
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js
+
+package azureblob
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/Azure/go-autorest/autorest/adal"
+	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/fshttp"
+)
+
+const (
+	azureResource      = "https://storage.azure.com"
+	imdsAPIVersion     = "2018-02-01"
+	msiEndpointDefault = "http://169.254.169.254/metadata/identity/oauth2/token"
+)
+
+// This custom type is used to add the port the test server has bound to
+// to the request context.
+type testPortKey string
+
+type msiIdentifierType int
+
+const (
+	msiClientID msiIdentifierType = iota
+	msiObjectID
+	msiResourceID
+)
+
+type userMSI struct {
+	Type  msiIdentifierType
+	Value string
+}
+
+type httpError struct {
+	Response *http.Response
+}
+
+func (e httpError) Error() string {
+	return fmt.Sprintf("HTTP error %v (%v)", e.Response.StatusCode, e.Response.Status)
+}
+
+// GetMSIToken attempts to obtain an MSI token from the Azure Instance
+// Metadata Service.
+func GetMSIToken(ctx context.Context, identity *userMSI) (adal.Token, error) {
+	// Attempt to get an MSI token; silently continue if unsuccessful.
+	// This code has been lovingly stolen from azcopy's OAuthTokenManager.
+	result := adal.Token{}
+	req, err := http.NewRequestWithContext(ctx, "GET", msiEndpointDefault, nil)
+	if err != nil {
+		fs.Debugf(nil, "Failed to create request: %v", err)
+		return result, err
+	}
+	params := req.URL.Query()
+	params.Set("resource", azureResource)
+	params.Set("api-version", imdsAPIVersion)
+
+	// Specify user-assigned identity if requested.
+	if identity != nil {
+		switch identity.Type {
+		case msiClientID:
+			params.Set("client_id", identity.Value)
+		case msiObjectID:
+			params.Set("object_id", identity.Value)
+		case msiResourceID:
+			params.Set("mi_res_id", identity.Value)
+		default:
+			// If this happens, the calling function and this one don't agree on
+			// what valid ID types exist.
+			return result, fmt.Errorf("unknown MSI identity type specified")
+		}
+	}
+	req.URL.RawQuery = params.Encode()
+
+	// The Metadata header is required by all calls to IMDS.
+	req.Header.Set("Metadata", "true")
+
+	// If this function is run in a test, query the test server instead of IMDS.
+	testPort, isTest := ctx.Value(testPortKey("testPort")).(int)
+	if isTest {
+		req.URL.Host = fmt.Sprintf("localhost:%d", testPort)
+		req.Host = req.URL.Host
+	}
+
+	// Send request
+	httpClient := fshttp.NewClient(ctx)
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return result, fmt.Errorf("MSI is not enabled on this VM: %w", err)
+	}
+	defer func() { // resp and Body should not be nil
+		_, err = io.Copy(ioutil.Discard, resp.Body)
+		if err != nil {
+			fs.Debugf(nil, "Unable to drain IMDS response: %v", err)
+		}
+		err = resp.Body.Close()
+		if err != nil {
+			fs.Debugf(nil, "Unable to close IMDS response: %v", err)
+		}
+	}()
+	// Check if the status code indicates success
+	// The request returns 200 currently, add 201 and 202 as well for possible extension.
+	switch resp.StatusCode {
+	case 200, 201, 202:
+		break
+	default:
+		body, _ := ioutil.ReadAll(resp.Body)
+		fs.Errorf(nil, "Couldn't obtain OAuth token from IMDS; server returned status code %d and body: %v", resp.StatusCode, string(body))
+		return result, httpError{Response: resp}
+	}
+
+	b, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return result, fmt.Errorf("couldn't read IMDS response: %w", err)
+	}
+	// Remove BOM, if any. azcopy does this so I'm following along.
+	b = bytes.TrimPrefix(b, []byte("\xef\xbb\xbf"))
+
+	// This would be a good place to persist the token if a large number of rclone
+	// invocations are being made in a short amount of time. If the token is
+	// persisted, the azureblob code will need to check for expiry before every
+	// storage API call.
+	err = json.Unmarshal(b, &result)
+	if err != nil {
+		return result, fmt.Errorf("couldn't unmarshal IMDS response: %w", err)
+	}
+
+	return result, nil
+}
--- a/backend/azureblob/imds_test.go
+++ b/backend/azureblob/imds_test.go
@@ -0,0 +1,118 @@
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js
+
+package azureblob
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/Azure/go-autorest/autorest/adal"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func handler(t *testing.T, actual *map[string]string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		err := r.ParseForm()
+		require.NoError(t, err)
+		parameters := r.URL.Query()
+		(*actual)["path"] = r.URL.Path
+		(*actual)["Metadata"] = r.Header.Get("Metadata")
+		(*actual)["method"] = r.Method
+		for paramName := range parameters {
+			(*actual)[paramName] = parameters.Get(paramName)
+		}
+		// Make response.
+		response := adal.Token{}
+		responseBytes, err := json.Marshal(response)
+		require.NoError(t, err)
+		_, err = w.Write(responseBytes)
+		require.NoError(t, err)
+	}
+}
+
+func TestManagedIdentity(t *testing.T) {
+	// test user-assigned identity specifiers to use
+	testMSIClientID := "d859b29f-5c9c-42f8-a327-ec1bc6408d79"
+	testMSIObjectID := "9ffeb650-3ca0-4278-962b-5a38d520591a"
+	testMSIResourceID := "/subscriptions/fe714c49-b8a4-4d49-9388-96a20daa318f/resourceGroups/somerg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/someidentity"
+	tests := []struct {
+		identity              *userMSI
+		identityParameterName string
+		expectedAbsent        []string
+	}{
+		{&userMSI{msiClientID, testMSIClientID}, "client_id", []string{"object_id", "mi_res_id"}},
+		{&userMSI{msiObjectID, testMSIObjectID}, "object_id", []string{"client_id", "mi_res_id"}},
+		{&userMSI{msiResourceID, testMSIResourceID}, "mi_res_id", []string{"object_id", "client_id"}},
+		{nil, "(default)", []string{"object_id", "client_id", "mi_res_id"}},
+	}
+	alwaysExpected := map[string]string{
+		"path":        "/metadata/identity/oauth2/token",
+		"resource":    "https://storage.azure.com",
+		"Metadata":    "true",
+		"api-version": "2018-02-01",
+		"method":      "GET",
+	}
+	for _, test := range tests {
+		actual := make(map[string]string, 10)
+		testServer := httptest.NewServer(handler(t, &actual))
+		defer testServer.Close()
+		testServerPort, err := strconv.Atoi(strings.Split(testServer.URL, ":")[2])
+		require.NoError(t, err)
+		ctx := context.WithValue(context.TODO(), testPortKey("testPort"), testServerPort)
+		_, err = GetMSIToken(ctx, test.identity)
+		require.NoError(t, err)
+
+		// Validate expected query parameters present
+		expected := make(map[string]string)
+		for k, v := range alwaysExpected {
+			expected[k] = v
+		}
+		if test.identity != nil {
+			expected[test.identityParameterName] = test.identity.Value
+		}
+
+		for key := range expected {
+			value, exists := actual[key]
+			if assert.Truef(t, exists, "test of %s: query parameter %s was not passed",
+				test.identityParameterName, key) {
+				assert.Equalf(t, expected[key], value,
+					"test of %s: parameter %s has incorrect value", test.identityParameterName, key)
+			}
+		}
+
+		// Validate unexpected query parameters absent
+		for _, key := range test.expectedAbsent {
+			_, exists := actual[key]
+			assert.Falsef(t, exists, "query parameter %s was unexpectedly passed")
+		}
+	}
+}
+
+func errorHandler(resultCode int) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		http.Error(w, "Test error generated", resultCode)
+	}
+}
+
+func TestIMDSErrors(t *testing.T) {
+	errorCodes := []int{404, 429, 500}
+	for _, code := range errorCodes {
+		testServer := httptest.NewServer(errorHandler(code))
+		defer testServer.Close()
+		testServerPort, err := strconv.Atoi(strings.Split(testServer.URL, ":")[2])
+		require.NoError(t, err)
+		ctx := context.WithValue(context.TODO(), testPortKey("testPort"), testServerPort)
+		_, err = GetMSIToken(ctx, nil)
+		require.Error(t, err)
+		httpErr, ok := err.(httpError)
+		require.Truef(t, ok, "HTTP error %d did not result in an httpError object", code)
+		assert.Equalf(t, httpErr.Response.StatusCode, code, "desired error %d but didn't get it", code)
+	}
+}
--- a/backend/b2/api/types.go
+++ b/backend/b2/api/types.go
@@ -1,4 +1,3 @@
-// Package api provides types used by the Backblaze B2 API.
 package api

 import (
@@ -239,7 +238,7 @@ type GetFileInfoRequest struct {
 // If the original source of the file being uploaded has a last
 // modified time concept, Backblaze recommends using
 // src_last_modified_millis as the name, and a string holding the base
-// 10 number of milliseconds since midnight, January 1, 1970
+// 10 number number of milliseconds since midnight, January 1, 1970
 // UTC. This fits in a 64 bit integer such as the type "long" in the
 // programming language Java. It is intended to be compatible with
 // Java's time long. For example, it can be passed directly into the
--- a/backend/b2/b2.go
+++ b/backend/b2/b2.go
@@ -1,4 +1,4 @@
-// Package b2 provides an interface to the Backblaze B2 object storage system.
+// Package b2 provides an interface to the Backblaze B2 object storage system
 package b2

 // FIXME should we remove sha1 checks from here as rclone now supports
@@ -656,15 +656,15 @@ var errEndList = errors.New("end list")
 //
 // (bucket, directory) is the starting directory
 //
-// If prefix is set then it is removed from all file names.
+// If prefix is set then it is removed from all file names
 //
 // If addBucket is set then it adds the bucket to the start of the
-// remotes generated.
+// remotes generated
 //
-// If recurse is set the function will recursively list.
+// If recurse is set the function will recursively list
 //
 // If limit is > 0 then it limits to that many files (must be less
-// than 1000).
+// than 1000)
 //
 // If hidden is set then it will list the hidden (deleted) files too.
 //
@@ -1025,7 +1025,7 @@ func (f *Fs) clearBucketID(bucket string) {

 // Put the object into the bucket
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -1221,7 +1221,7 @@ func (f *Fs) purge(ctx context.Context, dir string, oldOnly bool) error {
 					fs.Errorf(object.Name, "Can't create object %v", err)
 					continue
 				}
-				tr := accounting.Stats(ctx).NewCheckingTransfer(oi, "deleting")
+				tr := accounting.Stats(ctx).NewCheckingTransfer(oi)
 				err = f.deleteByID(ctx, object.ID, object.Name)
 				checkErr(err)
 				tr.Done(ctx, err)
@@ -1235,7 +1235,7 @@ func (f *Fs) purge(ctx context.Context, dir string, oldOnly bool) error {
 			if err != nil {
 				fs.Errorf(object, "Can't create object %+v", err)
 			}
-			tr := accounting.Stats(ctx).NewCheckingTransfer(oi, "checking")
+			tr := accounting.Stats(ctx).NewCheckingTransfer(oi)
 			if oldOnly && last != remote {
 				// Check current version of the file
 				if object.Action == "hide" {
@@ -1334,9 +1334,9 @@ func (f *Fs) copy(ctx context.Context, dstObj *Object, srcObj *Object, newInfo *

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1478,7 +1478,7 @@ func (o *Object) Size() int64 {

 // Clean the SHA1
 //
-// Make sure it is lower case.
+// Make sure it is lower case
 //
 // Remove unverified prefix - see https://www.backblaze.com/b2/docs/uploading.html
 // Some tools (e.g. Cyberduck) use this
@@ -1490,11 +1490,10 @@ func cleanSHA1(sha1 string) string {
 // decodeMetaDataRaw sets the metadata from the data passed in
 //
 // Sets
-//
-//	o.id
-//	o.modTime
-//	o.size
-//	o.sha1
+//  o.id
+//  o.modTime
+//  o.size
+//  o.sha1
 func (o *Object) decodeMetaDataRaw(ID, SHA1 string, Size int64, UploadTimestamp api.Timestamp, Info map[string]string, mimeType string) (err error) {
 	o.id = ID
 	o.sha1 = SHA1
@@ -1513,11 +1512,10 @@ func (o *Object) decodeMetaDataRaw(ID, SHA1 string, Size int64, UploadTimestamp
 // decodeMetaData sets the metadata in the object from an api.File
 //
 // Sets
-//
-//	o.id
-//	o.modTime
-//	o.size
-//	o.sha1
+//  o.id
+//  o.modTime
+//  o.size
+//  o.sha1
 func (o *Object) decodeMetaData(info *api.File) (err error) {
 	return o.decodeMetaDataRaw(info.ID, info.SHA1, info.Size, info.UploadTimestamp, info.Info, info.ContentType)
 }
@@ -1525,11 +1523,10 @@ func (o *Object) decodeMetaData(info *api.File) (err error) {
 // decodeMetaDataFileInfo sets the metadata in the object from an api.FileInfo
 //
 // Sets
-//
-//	o.id
-//	o.modTime
-//	o.size
-//	o.sha1
+//  o.id
+//  o.modTime
+//  o.size
+//  o.sha1
 func (o *Object) decodeMetaDataFileInfo(info *api.FileInfo) (err error) {
 	return o.decodeMetaDataRaw(info.ID, info.SHA1, info.Size, info.UploadTimestamp, info.Info, info.ContentType)
 }
@@ -1587,11 +1584,10 @@ func (o *Object) getMetaData(ctx context.Context) (info *api.File, err error) {
 // readMetaData gets the metadata if it hasn't already been fetched
 //
 // Sets
-//
-//	o.id
-//	o.modTime
-//	o.size
-//	o.sha1
+//  o.id
+//  o.modTime
+//  o.size
+//  o.sha1
 func (o *Object) readMetaData(ctx context.Context) (err error) {
 	if o.id != "" {
 		return nil
--- a/backend/b2/upload.go
+++ b/backend/b2/upload.go
@@ -14,7 +14,6 @@ import (
 	"io"
 	"strings"
 	"sync"
-	"time"

 	"github.com/rclone/rclone/backend/b2/api"
 	"github.com/rclone/rclone/fs"
@@ -22,7 +21,6 @@ import (
 	"github.com/rclone/rclone/fs/chunksize"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/atexit"
-	"github.com/rclone/rclone/lib/pool"
 	"github.com/rclone/rclone/lib/rest"
 	"golang.org/x/sync/errgroup"
 )
@@ -99,7 +97,7 @@ func (f *Fs) newLargeUpload(ctx context.Context, o *Object, in io.Reader, src fs
 	if size == -1 {
 		fs.Debugf(o, "Streaming upload with --b2-chunk-size %s allows uploads of up to %s and will fail only when that limit is reached.", f.opt.ChunkSize, maxParts*f.opt.ChunkSize)
 	} else {
-		chunkSize = chunksize.Calculator(o, size, maxParts, defaultChunkSize)
+		chunkSize = chunksize.Calculator(src, maxParts, defaultChunkSize)
 		parts = size / int64(chunkSize)
 		if size%int64(chunkSize) != 0 {
 			parts++
@@ -430,47 +428,18 @@ func (up *largeUpload) Upload(ctx context.Context) (err error) {
 	defer atexit.OnError(&err, func() { _ = up.cancel(ctx) })()
 	fs.Debugf(up.o, "Starting %s of large file in %d chunks (id %q)", up.what, up.parts, up.id)
 	var (
-		g, gCtx    = errgroup.WithContext(ctx)
-		remaining  = up.size
-		uploadPool *pool.Pool
-		ci         = fs.GetConfig(ctx)
+		g, gCtx   = errgroup.WithContext(ctx)
+		remaining = up.size
 	)
-	// If using large chunk size then make a temporary pool
-	if up.chunkSize <= int64(up.f.opt.ChunkSize) {
-		uploadPool = up.f.pool
-	} else {
-		uploadPool = pool.New(
-			time.Duration(up.f.opt.MemoryPoolFlushTime),
-			int(up.chunkSize),
-			ci.Transfers,
-			up.f.opt.MemoryPoolUseMmap,
-		)
-		defer uploadPool.Flush()
-	}
-	// Get an upload token and a buffer
-	getBuf := func() (buf []byte) {
-		up.f.getBuf(true)
-		if !up.doCopy {
-			buf = uploadPool.Get()
-		}
-		return buf
-	}
-	// Put an upload token and a buffer
-	putBuf := func(buf []byte) {
-		if !up.doCopy {
-			uploadPool.Put(buf)
-		}
-		up.f.putBuf(nil, true)
-	}
 	g.Go(func() error {
 		for part := int64(1); part <= up.parts; part++ {
 			// Get a block of memory from the pool and token which limits concurrency.
-			buf := getBuf()
+			buf := up.f.getBuf(up.doCopy)

 			// Fail fast, in case an errgroup managed function returns an error
 			// gCtx is cancelled. There is no point in uploading all the other parts.
 			if gCtx.Err() != nil {
-				putBuf(buf)
+				up.f.putBuf(buf, up.doCopy)
 				return nil
 			}

@@ -484,14 +453,14 @@ func (up *largeUpload) Upload(ctx context.Context) (err error) {
 				buf = buf[:reqSize]
 				_, err = io.ReadFull(up.in, buf)
 				if err != nil {
-					putBuf(buf)
+					up.f.putBuf(buf, up.doCopy)
 					return err
 				}
 			}

 			part := part // for the closure
 			g.Go(func() (err error) {
-				defer putBuf(buf)
+				defer up.f.putBuf(buf, up.doCopy)
 				if !up.doCopy {
 					err = up.transferChunk(gCtx, part, buf)
 				} else {
--- a/backend/box/api/types.go
+++ b/backend/box/api/types.go
@@ -14,7 +14,7 @@ const (
 	timeFormat = `"` + time.RFC3339 + `"`
 )

-// Time represents date and time information for the
+// Time represents represents date and time information for the
 // box API, by using RFC3339
 type Time time.Time

--- a/backend/box/box.go
+++ b/backend/box/box.go
@@ -17,9 +17,9 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"net/url"
-	"os"
 	"path"
 	"strconv"
 	"strings"
@@ -27,7 +27,6 @@ import (
 	"sync/atomic"
 	"time"

-	"github.com/golang-jwt/jwt/v4"
 	"github.com/rclone/rclone/backend/box/api"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/config"
@@ -46,6 +45,7 @@ import (
 	"github.com/rclone/rclone/lib/rest"
 	"github.com/youmark/pkcs8"
 	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/jws"
 )

 const (
@@ -76,11 +76,6 @@ var (
 	}
 )

-type boxCustomClaims struct {
-	jwt.StandardClaims
-	BoxSubType string `json:"box_sub_type,omitempty"`
-}
-
 // Register with Fs
 func init() {
 	fs.Register(&fs.RegInfo{
@@ -183,12 +178,12 @@ func refreshJWTToken(ctx context.Context, jsonFile string, boxSubType string, na
 	signingHeaders := getSigningHeaders(boxConfig)
 	queryParams := getQueryParams(boxConfig)
 	client := fshttp.NewClient(ctx)
-	err = jwtutil.Config("box", name, tokenURL, *claims, signingHeaders, queryParams, privateKey, m, client)
+	err = jwtutil.Config("box", name, claims, signingHeaders, queryParams, privateKey, m, client)
 	return err
 }

 func getBoxConfig(configFile string) (boxConfig *api.ConfigJSON, err error) {
-	file, err := os.ReadFile(configFile)
+	file, err := ioutil.ReadFile(configFile)
 	if err != nil {
 		return nil, fmt.Errorf("box: failed to read Box config: %w", err)
 	}
@@ -199,31 +194,34 @@ func getBoxConfig(configFile string) (boxConfig *api.ConfigJSON, err error) {
 	return boxConfig, nil
 }

-func getClaims(boxConfig *api.ConfigJSON, boxSubType string) (claims *boxCustomClaims, err error) {
+func getClaims(boxConfig *api.ConfigJSON, boxSubType string) (claims *jws.ClaimSet, err error) {
 	val, err := jwtutil.RandomHex(20)
 	if err != nil {
 		return nil, fmt.Errorf("box: failed to generate random string for jti: %w", err)
 	}

-	claims = &boxCustomClaims{
-		//lint:ignore SA1019 since we need to use jwt.StandardClaims even if deprecated in jwt-go v4 until a more permanent solution is ready in time before jwt-go v5 where it is removed entirely
-		//nolint:staticcheck // Don't include staticcheck when running golangci-lint to avoid SA1019
-		StandardClaims: jwt.StandardClaims{
-			Id:        val,
-			Issuer:    boxConfig.BoxAppSettings.ClientID,
-			Subject:   boxConfig.EnterpriseID,
-			Audience:  tokenURL,
-			ExpiresAt: time.Now().Add(time.Second * 45).Unix(),
+	claims = &jws.ClaimSet{
+		Iss: boxConfig.BoxAppSettings.ClientID,
+		Sub: boxConfig.EnterpriseID,
+		Aud: tokenURL,
+		Exp: time.Now().Add(time.Second * 45).Unix(),
+		PrivateClaims: map[string]interface{}{
+			"box_sub_type": boxSubType,
+			"aud":          tokenURL,
+			"jti":          val,
 		},
-		BoxSubType: boxSubType,
 	}
+
 	return claims, nil
 }

-func getSigningHeaders(boxConfig *api.ConfigJSON) map[string]interface{} {
-	signingHeaders := map[string]interface{}{
-		"kid": boxConfig.BoxAppSettings.AppAuth.PublicKeyID,
+func getSigningHeaders(boxConfig *api.ConfigJSON) *jws.Header {
+	signingHeaders := &jws.Header{
+		Algorithm: "RS256",
+		Typ:       "JWT",
+		KeyID:     boxConfig.BoxAppSettings.AppAuth.PublicKeyID,
 	}
+
 	return signingHeaders
 }

@@ -268,7 +266,7 @@ type Fs struct {
 	root         string                // the path we are working on
 	opt          Options               // parsed options
 	features     *fs.Features          // optional features
-	srv          *rest.Client          // the connection to the server
+	srv          *rest.Client          // the connection to the one drive server
 	dirCache     *dircache.DirCache    // Map of directory path to directory id
 	pacer        *fs.Pacer             // pacer for API calls
 	tokenRenewer *oauthutil.Renew      // renew the token on expiry
@@ -694,7 +692,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 // Creates from the parameters passed in a half finished Object which
 // must have setMetaData called on it
 //
-// Returns the object, leaf, directoryID and error.
+// Returns the object, leaf, directoryID and error
 //
 // Used to create new objects
 func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time, size int64) (o *Object, leaf string, directoryID string, err error) {
@@ -754,7 +752,7 @@ func (f *Fs) preUploadCheck(ctx context.Context, leaf, directoryID string, size

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -794,9 +792,9 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt

 // PutUnchecked the object into the container
 //
-// This will produce an error if the object already exists.
+// This will produce an error if the object already exists
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -879,9 +877,9 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -997,9 +995,9 @@ func (f *Fs) About(ctx context.Context) (usage *fs.Usage, err error) {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1237,6 +1235,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
@@ -1347,9 +1346,9 @@ func (o *Object) upload(ctx context.Context, in io.Reader, leaf, directoryID str

 // Update the object with the contents of the io.Reader, modTime and size
 //
-// If existing is set then it updates the object rather than creating a new one.
+// If existing is set then it updates the object rather than creating a new one
 //
-// The new object may have been created if an error is returned.
+// The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
 	if o.fs.tokenRenewer != nil {
 		o.fs.tokenRenewer.Start()
--- a/backend/cache/cache.go
+++ b/backend/cache/cache.go
@@ -1,7 +1,6 @@
 //go:build !plan9 && !js
 // +build !plan9,!js

-// Package cache implements a virtual provider to cache existing remotes.
 package cache

 import (
@@ -1038,7 +1037,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 		}
 		fs.Debugf(dir, "list: remove entry: %v", entryRemote)
 	}
-	entries = nil //nolint:ineffassign
+	entries = nil

 	// and then iterate over the ones from source (temp Objects will override source ones)
 	var batchDirectories []*Directory
@@ -1787,7 +1786,7 @@ func (f *Fs) CleanUpCache(ignoreLastTs bool) {
 	}
 }

-// StopBackgroundRunners will signal all the runners to stop their work
+// StopBackgroundRunners will signall all the runners to stop their work
 // can be triggered from a terminate signal or from testing between runs
 func (f *Fs) StopBackgroundRunners() {
 	f.cleanupChan <- false
--- a/backend/cache/cache_internal_test.go
+++ b/backend/cache/cache_internal_test.go
@@ -11,6 +11,7 @@ import (
 	goflag "flag"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"log"
 	"math/rand"
 	"os"
@@ -101,12 +102,14 @@ func TestMain(m *testing.M) {

 func TestInternalListRootAndInnerRemotes(t *testing.T) {
 	id := fmt.Sprintf("tilrair%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	// Instantiate inner fs
 	innerFolder := "inner"
 	runInstance.mkdir(t, rootFs, innerFolder)
-	rootFs2, _ := runInstance.newCacheFs(t, remoteName, id+"/"+innerFolder, true, true, nil)
+	rootFs2, boltDb2 := runInstance.newCacheFs(t, remoteName, id+"/"+innerFolder, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs2, boltDb2)

 	runInstance.writeObjectString(t, rootFs2, "one", "content")
 	listRoot, err := runInstance.list(t, rootFs, "")
@@ -164,7 +167,7 @@ func TestInternalVfsCache(t *testing.T) {
 			li2 := [2]string{path.Join("test", "one"), path.Join("test", "second")}
 			for _, r := range li2 {
 				var err error
-				ci, err := os.ReadDir(path.Join(runInstance.chunkPath, runInstance.encryptRemoteIfNeeded(t, path.Join(id, r))))
+				ci, err := ioutil.ReadDir(path.Join(runInstance.chunkPath, runInstance.encryptRemoteIfNeeded(t, path.Join(id, r))))
 				if err != nil || len(ci) == 0 {
 					log.Printf("========== '%v' not in cache", r)
 				} else {
@@ -223,7 +226,8 @@ func TestInternalVfsCache(t *testing.T) {

 func TestInternalObjWrapFsFound(t *testing.T) {
 	id := fmt.Sprintf("tiowff%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -255,7 +259,8 @@ func TestInternalObjWrapFsFound(t *testing.T) {

 func TestInternalObjNotFound(t *testing.T) {
 	id := fmt.Sprintf("tionf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	obj, err := rootFs.NewObject(context.Background(), "404")
 	require.Error(t, err)
@@ -265,7 +270,8 @@ func TestInternalObjNotFound(t *testing.T) {
 func TestInternalCachedWrittenContentMatches(t *testing.T) {
 	testy.SkipUnreliable(t)
 	id := fmt.Sprintf("ticwcm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -292,7 +298,8 @@ func TestInternalDoubleWrittenContentMatches(t *testing.T) {
 		t.Skip("Skip test on windows/386")
 	}
 	id := fmt.Sprintf("tidwcm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	// write the object
 	runInstance.writeRemoteString(t, rootFs, "one", "one content")
@@ -310,7 +317,8 @@ func TestInternalDoubleWrittenContentMatches(t *testing.T) {
 func TestInternalCachedUpdatedContentMatches(t *testing.T) {
 	testy.SkipUnreliable(t)
 	id := fmt.Sprintf("ticucm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	var err error

 	// create some rand test data
@@ -339,7 +347,8 @@ func TestInternalCachedUpdatedContentMatches(t *testing.T) {
 func TestInternalWrappedWrittenContentMatches(t *testing.T) {
 	id := fmt.Sprintf("tiwwcm%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if runInstance.rootIsCrypt {
 		t.Skip("test skipped with crypt remote")
 	}
@@ -369,7 +378,8 @@ func TestInternalWrappedWrittenContentMatches(t *testing.T) {
 func TestInternalLargeWrittenContentMatches(t *testing.T) {
 	id := fmt.Sprintf("tilwcm%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if runInstance.rootIsCrypt {
 		t.Skip("test skipped with crypt remote")
 	}
@@ -395,7 +405,8 @@ func TestInternalLargeWrittenContentMatches(t *testing.T) {

 func TestInternalWrappedFsChangeNotSeen(t *testing.T) {
 	id := fmt.Sprintf("tiwfcns%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -449,7 +460,8 @@ func TestInternalWrappedFsChangeNotSeen(t *testing.T) {

 func TestInternalMoveWithNotify(t *testing.T) {
 	id := fmt.Sprintf("timwn%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if !runInstance.wrappedIsExternal {
 		t.Skipf("Not external")
 	}
@@ -535,7 +547,8 @@ func TestInternalMoveWithNotify(t *testing.T) {

 func TestInternalNotifyCreatesEmptyParts(t *testing.T) {
 	id := fmt.Sprintf("tincep%v", time.Now().Unix())
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if !runInstance.wrappedIsExternal {
 		t.Skipf("Not external")
 	}
@@ -621,7 +634,8 @@ func TestInternalNotifyCreatesEmptyParts(t *testing.T) {

 func TestInternalChangeSeenAfterDirCacheFlush(t *testing.T) {
 	id := fmt.Sprintf("ticsadcf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -653,7 +667,8 @@ func TestInternalChangeSeenAfterDirCacheFlush(t *testing.T) {

 func TestInternalCacheWrites(t *testing.T) {
 	id := "ticw"
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"writes": "true"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, map[string]string{"writes": "true"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -674,7 +689,8 @@ func TestInternalMaxChunkSizeRespected(t *testing.T) {
 		t.Skip("Skip test on windows/386")
 	}
 	id := fmt.Sprintf("timcsr%v", time.Now().Unix())
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"workers": "1"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, map[string]string{"workers": "1"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -709,7 +725,8 @@ func TestInternalMaxChunkSizeRespected(t *testing.T) {
 func TestInternalExpiredEntriesRemoved(t *testing.T) {
 	id := fmt.Sprintf("tieer%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second * 4 // needs to be lower than the defined
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, map[string]string{"info_age": "5s"}, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)

@@ -746,7 +763,9 @@ func TestInternalBug2117(t *testing.T) {
 	vfsflags.Opt.DirCacheTime = time.Second * 10

 	id := fmt.Sprintf("tib2117%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"info_age": "72h", "chunk_clean_interval": "15m"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil,
+		map[string]string{"info_age": "72h", "chunk_clean_interval": "15m"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	if runInstance.rootIsCrypt {
 		t.Skipf("skipping crypt")
@@ -822,7 +841,7 @@ func newRun() *run {
 	}

 	if uploadDir == "" {
-		r.tmpUploadDir, err = os.MkdirTemp("", "rclonecache-tmp")
+		r.tmpUploadDir, err = ioutil.TempDir("", "rclonecache-tmp")
 		if err != nil {
 			panic(fmt.Sprintf("Failed to create temp dir: %v", err))
 		}
@@ -847,7 +866,7 @@ func (r *run) encryptRemoteIfNeeded(t *testing.T, remote string) string {
 	return enc
 }

-func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool, flags map[string]string) (fs.Fs, *cache.Persistent) {
+func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool, cfg map[string]string, flags map[string]string) (fs.Fs, *cache.Persistent) {
 	fstest.Initialise()
 	remoteExists := false
 	for _, s := range config.FileSections() {
@@ -940,15 +959,10 @@ func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool
 	}
 	err = f.Mkdir(context.Background(), "")
 	require.NoError(t, err)
-
-	t.Cleanup(func() {
-		runInstance.cleanupFs(t, f)
-	})
-
 	return f, boltDb
 }

-func (r *run) cleanupFs(t *testing.T, f fs.Fs) {
+func (r *run) cleanupFs(t *testing.T, f fs.Fs, b *cache.Persistent) {
 	err := f.Features().Purge(context.Background(), "")
 	require.NoError(t, err)
 	cfs, err := r.getCacheFs(f)
@@ -970,7 +984,7 @@ func (r *run) randomReader(t *testing.T, size int64) io.ReadCloser {
 	chunk := int64(1024)
 	cnt := size / chunk
 	left := size % chunk
-	f, err := os.CreateTemp("", "rclonecache-tempfile")
+	f, err := ioutil.TempFile("", "rclonecache-tempfile")
 	require.NoError(t, err)

 	for i := 0; i < int(cnt); i++ {
@@ -1098,6 +1112,27 @@ func (r *run) list(t *testing.T, f fs.Fs, remote string) ([]interface{}, error)
 	return l, err
 }

+func (r *run) copyFile(t *testing.T, f fs.Fs, src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = in.Close()
+	}()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = out.Close()
+	}()
+
+	_, err = io.Copy(out, in)
+	return err
+}
+
 func (r *run) dirMove(t *testing.T, rootFs fs.Fs, src, dst string) error {
 	var err error

--- a/backend/cache/cache_upload_test.go
+++ b/backend/cache/cache_upload_test.go
@@ -21,8 +21,10 @@ import (

 func TestInternalUploadTempDirCreated(t *testing.T) {
 	id := fmt.Sprintf("tiutdc%v", time.Now().Unix())
-	runInstance.newCacheFs(t, remoteName, id, false, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id)})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	_, err := os.Stat(path.Join(runInstance.tmpUploadDir, id))
 	require.NoError(t, err)
@@ -61,7 +63,9 @@ func testInternalUploadQueueOneFile(t *testing.T, id string, rootFs fs.Fs, boltD
 func TestInternalUploadQueueOneFileNoRest(t *testing.T) {
 	id := fmt.Sprintf("tiuqofnr%v", time.Now().Unix())
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "0s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	testInternalUploadQueueOneFile(t, id, rootFs, boltDb)
 }
@@ -69,15 +73,19 @@ func TestInternalUploadQueueOneFileNoRest(t *testing.T) {
 func TestInternalUploadQueueOneFileWithRest(t *testing.T) {
 	id := fmt.Sprintf("tiuqofwr%v", time.Now().Unix())
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1m"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	testInternalUploadQueueOneFile(t, id, rootFs, boltDb)
 }

 func TestInternalUploadMoveExistingFile(t *testing.T) {
 	id := fmt.Sprintf("tiumef%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "3s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "one")
 	require.NoError(t, err)
@@ -111,8 +119,10 @@ func TestInternalUploadMoveExistingFile(t *testing.T) {

 func TestInternalUploadTempPathCleaned(t *testing.T) {
 	id := fmt.Sprintf("tiutpc%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"cache-tmp-upload-path": path.Join(runInstance.tmpUploadDir, id), "cache-tmp-wait-time": "5s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "one")
 	require.NoError(t, err)
@@ -152,8 +162,10 @@ func TestInternalUploadTempPathCleaned(t *testing.T) {

 func TestInternalUploadQueueMoreFiles(t *testing.T) {
 	id := fmt.Sprintf("tiuqmf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "test")
 	require.NoError(t, err)
@@ -201,7 +213,9 @@ func TestInternalUploadQueueMoreFiles(t *testing.T) {
 func TestInternalUploadTempFileOperations(t *testing.T) {
 	id := "tiutfo"
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1h"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	boltDb.PurgeTempUploads()

@@ -329,7 +343,9 @@ func TestInternalUploadTempFileOperations(t *testing.T) {
 func TestInternalUploadUploadingFileOperations(t *testing.T) {
 	id := "tiuufo"
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1h"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	boltDb.PurgeTempUploads()

--- a/backend/cache/plex.go
+++ b/backend/cache/plex.go
@@ -8,7 +8,7 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strings"
@@ -167,7 +167,7 @@ func (p *plexConnector) listenWebsocket() {
 								continue
 							}
 							var data []byte
-							data, err = io.ReadAll(resp.Body)
+							data, err = ioutil.ReadAll(resp.Body)
 							if err != nil {
 								continue
 							}
--- a/backend/cache/storage_persistent.go
+++ b/backend/cache/storage_persistent.go
@@ -9,6 +9,7 @@ import (
 	"encoding/binary"
 	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"os"
 	"path"
 	"strconv"
@@ -472,7 +473,7 @@ func (b *Persistent) GetChunk(cachedObject *Object, offset int64) ([]byte, error
 	var data []byte

 	fp := path.Join(b.dataPath, cachedObject.abs(), strconv.FormatInt(offset, 10))
-	data, err := os.ReadFile(fp)
+	data, err := ioutil.ReadFile(fp)
 	if err != nil {
 		return nil, err
 	}
@@ -485,7 +486,7 @@ func (b *Persistent) AddChunk(fp string, data []byte, offset int64) error {
 	_ = os.MkdirAll(path.Join(b.dataPath, fp), os.ModePerm)

 	filePath := path.Join(b.dataPath, fp, strconv.FormatInt(offset, 10))
-	err := os.WriteFile(filePath, data, os.ModePerm)
+	err := ioutil.WriteFile(filePath, data, os.ModePerm)
 	if err != nil {
 		return err
 	}
--- a/backend/chunker/chunker.go
+++ b/backend/chunker/chunker.go
@@ -12,6 +12,7 @@ import (
 	"fmt"
 	gohash "hash"
 	"io"
+	"io/ioutil"
 	"math/rand"
 	"path"
 	"regexp"
@@ -31,6 +32,7 @@ import (
 	"github.com/rclone/rclone/fs/operations"
 )

+//
 // Chunker's composite files have one or more chunks
 // and optional metadata object. If it's present,
 // meta object is named after the original file.
@@ -63,7 +65,7 @@ import (
 // length of 13 decimals it makes a 7-digit base-36 number.
 //
 // When transactions is set to the norename style, data chunks will
-// keep their temporary chunk names (with the transaction identifier
+// keep their temporary chunk names (with the transacion identifier
 // suffix). To distinguish them from temporary chunks, the txn field
 // of the metadata file is set to match the transaction identifier of
 // the data chunks.
@@ -77,6 +79,7 @@ import (
 // Metadata format v1 does not define any control chunk types,
 // they are currently ignored aka reserved.
 // In future they can be used to implement resumable uploads etc.
+//
 const (
 	ctrlTypeRegStr   = `[a-z][a-z0-9]{2,6}`
 	tempSuffixFormat = `_%04s`
@@ -539,6 +542,7 @@ func (f *Fs) setChunkNameFormat(pattern string) error {
 //
 // xactID is a transaction identifier. Empty xactID denotes active chunk,
 // otherwise temporary chunk name is produced.
+//
 func (f *Fs) makeChunkName(filePath string, chunkNo int, ctrlType, xactID string) string {
 	dir, parentName := path.Split(filePath)
 	var name, tempSuffix string
@@ -704,6 +708,7 @@ func (f *Fs) newXactID(ctx context.Context, filePath string) (xactID string, err
 // directory together with dead chunks.
 // In future a flag named like `--chunker-list-hidden` may be added to
 // rclone that will tell List to reveal hidden chunks.
+//
 func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
 	entries, err = f.base.List(ctx, dir)
 	if err != nil {
@@ -863,6 +868,7 @@ func (f *Fs) processEntries(ctx context.Context, origEntries fs.DirEntries, dirP
 // Note that chunker prefers analyzing file names rather than reading
 // the content of meta object assuming that directory scans are fast
 // but opening even a small file can be slow on some backends.
+//
 func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
 	return f.scanObject(ctx, remote, false)
 }
@@ -1037,7 +1043,7 @@ func (o *Object) readMetadata(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	metadata, err := io.ReadAll(reader)
+	metadata, err := ioutil.ReadAll(reader)
 	_ = reader.Close() // ensure file handle is freed on windows
 	if err != nil {
 		return err
@@ -1078,7 +1084,7 @@ func (o *Object) readMetadata(ctx context.Context) error {

 // readXactID returns the transaction ID stored in the passed metadata object
 func (o *Object) readXactID(ctx context.Context) (xactID string, err error) {
-	// if xactID has already been read and cached return it now
+	// if xactID has already been read and cahced return it now
 	if o.xIDCached {
 		return o.xactID, nil
 	}
@@ -1096,7 +1102,7 @@ func (o *Object) readXactID(ctx context.Context) (xactID string, err error) {
 	if err != nil {
 		return "", err
 	}
-	data, err := io.ReadAll(reader)
+	data, err := ioutil.ReadAll(reader)
 	_ = reader.Close() // ensure file handle is freed on windows
 	if err != nil {
 		return "", err
@@ -1580,6 +1586,7 @@ func (f *Fs) Rmdir(ctx context.Context, dir string) error {
 // This command will chain to `purge` from wrapped remote.
 // As a result it removes not only composite chunker files with their
 // active chunks but also all hidden temporary chunks in the directory.
+//
 func (f *Fs) Purge(ctx context.Context, dir string) error {
 	do := f.base.Features().Purge
 	if do == nil {
@@ -1621,6 +1628,7 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {
 // Unsupported control chunks will get re-picked by a more recent
 // rclone version with unexpected results. This can be helped by
 // the `delete hidden` flag above or at least the user has been warned.
+//
 func (o *Object) Remove(ctx context.Context) (err error) {
 	if err := o.f.forbidChunk(o, o.Remote()); err != nil {
 		// operations.Move can still call Remove if chunker's Move refuses
@@ -1796,9 +1804,9 @@ func (f *Fs) okForServerSide(ctx context.Context, src fs.Object, opName string)

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1817,9 +1825,9 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -2117,6 +2125,7 @@ func (o *Object) SetModTime(ctx context.Context, mtime time.Time) error {
 // file, then tries to read it from metadata. This in theory
 // handles the unusual case when a small file has been tampered
 // on the level of wrapped remote but chunker is unaware of that.
+//
 func (o *Object) Hash(ctx context.Context, hashType hash.Type) (string, error) {
 	if err := o.readMetadata(ctx); err != nil {
 		return "", err // valid metadata is required to get hash, abort
@@ -2405,6 +2414,7 @@ type metaSimpleJSON struct {
 // - for files larger than chunk size
 // - if file contents can be mistaken as meta object
 // - if consistent hashing is On but wrapped remote can't provide given hash
+//
 func marshalSimpleJSON(ctx context.Context, size int64, nChunks int, md5, sha1, xactID string) ([]byte, error) {
 	version := metadataVersion
 	if xactID == "" && version == 2 {
@@ -2437,6 +2447,7 @@ func marshalSimpleJSON(ctx context.Context, size int64, nChunks int, md5, sha1,
 // New format will have a higher version number and cannot be correctly
 // handled by current implementation.
 // The version check below will then explicitly ask user to upgrade rclone.
+//
 func unmarshalSimpleJSON(ctx context.Context, metaObject fs.Object, data []byte) (info *ObjectInfo, madeByChunker bool, err error) {
 	// Be strict about JSON format
 	// to reduce possibility that a random small file resembles metadata.
--- a/backend/chunker/chunker_internal_test.go
+++ b/backend/chunker/chunker_internal_test.go
@@ -5,7 +5,7 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"path"
 	"regexp"
 	"strings"
@@ -413,7 +413,7 @@ func testSmallFileInternals(t *testing.T, f *Fs) {
 		if r == nil {
 			return
 		}
-		data, err := io.ReadAll(r)
+		data, err := ioutil.ReadAll(r)
 		assert.NoError(t, err)
 		assert.Equal(t, contents, string(data))
 		_ = r.Close()
@@ -538,7 +538,7 @@ func testPreventCorruption(t *testing.T, f *Fs) {
 	assert.NoError(t, err)
 	var chunkContents []byte
 	assert.NotPanics(t, func() {
-		chunkContents, err = io.ReadAll(r)
+		chunkContents, err = ioutil.ReadAll(r)
 		_ = r.Close()
 	})
 	assert.NoError(t, err)
@@ -573,7 +573,7 @@ func testPreventCorruption(t *testing.T, f *Fs) {
 	r, err = willyChunk.Open(ctx)
 	assert.NoError(t, err)
 	assert.NotPanics(t, func() {
-		_, err = io.ReadAll(r)
+		_, err = ioutil.ReadAll(r)
 		_ = r.Close()
 	})
 	assert.NoError(t, err)
@@ -672,7 +672,7 @@ func testMetadataInput(t *testing.T, f *Fs) {
 		assert.NoError(t, err, "open "+description)
 		assert.NotNil(t, r, "open stream of "+description)
 		if err == nil && r != nil {
-			data, err := io.ReadAll(r)
+			data, err := ioutil.ReadAll(r)
 			assert.NoError(t, err, "read all of "+description)
 			assert.Equal(t, contents, string(data), description+" contents is ok")
 			_ = r.Close()
@@ -758,8 +758,8 @@ func testFutureProof(t *testing.T, f *Fs) {
 	assert.Error(t, err)

 	// Rcat must fail
-	in := io.NopCloser(bytes.NewBufferString("abc"))
-	robj, err := operations.Rcat(ctx, f, file, in, modTime, nil)
+	in := ioutil.NopCloser(bytes.NewBufferString("abc"))
+	robj, err := operations.Rcat(ctx, f, file, in, modTime)
 	assert.Nil(t, robj)
 	assert.NotNil(t, err)
 	if err != nil {
@@ -854,7 +854,7 @@ func testChunkerServerSideMove(t *testing.T, f *Fs) {
 	r, err := dstFile.Open(ctx)
 	assert.NoError(t, err)
 	assert.NotNil(t, r)
-	data, err := io.ReadAll(r)
+	data, err := ioutil.ReadAll(r)
 	assert.NoError(t, err)
 	assert.Equal(t, contents, string(data))
 	_ = r.Close()
--- a/backend/combine/combine.go
+++ b/backend/combine/combine.go
@@ -1,4 +1,4 @@
-// Package combine implements a backend to combine multiple remotes in a directory tree
+// Package combine implents a backend to combine multipe remotes in a directory tree
 package combine

 /*
@@ -233,7 +233,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	canMove := true
 	for _, u := range f.upstreams {
@@ -290,16 +289,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		}
 	}

-	// Enable CleanUp when any upstreams support it
-	if features.CleanUp == nil {
-		for _, u := range f.upstreams {
-			if u.f.Features().CleanUp != nil {
-				features.CleanUp = f.CleanUp
-				break
-			}
-		}
-	}
-
 	// Enable ChangeNotify when any upstreams support it
 	if features.ChangeNotify == nil {
 		for _, u := range f.upstreams {
@@ -310,9 +299,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		}
 	}

-	// show that we wrap other backends
-	features.Overlay = true
-
 	f.features = features

 	// Get common intersection of hashes
@@ -365,7 +351,7 @@ func (f *Fs) multithread(ctx context.Context, fn func(context.Context, *upstream
 	return g.Wait()
 }

-// join the elements together but unlike path.Join return empty string
+// join the elements together but unline path.Join return empty string
 func join(elem ...string) string {
 	result := path.Join(elem...)
 	if result == "." {
@@ -471,9 +457,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -505,9 +491,9 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -645,7 +631,7 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, stream bo
 	if err != nil {
 		return nil, err
 	}
-	uSrc := fs.NewOverrideRemote(src, uRemote)
+	uSrc := operations.NewOverrideRemote(src, uRemote)
 	var o fs.Object
 	if stream {
 		o, err = u.f.Features().PutStream(ctx, in, uSrc, options...)
@@ -901,100 +887,6 @@ func (f *Fs) Shutdown(ctx context.Context) error {
 	})
 }

-// PublicLink generates a public link to the remote path (usually readable by anyone)
-func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration, unlink bool) (string, error) {
-	u, uRemote, err := f.findUpstream(remote)
-	if err != nil {
-		return "", err
-	}
-	do := u.f.Features().PublicLink
-	if do == nil {
-		return "", fs.ErrorNotImplemented
-	}
-	return do(ctx, uRemote, expire, unlink)
-}
-
-// Put in to the remote path with the modTime given of the given size
-//
-// May create the object even if it returns an error - if so
-// will return the object and the error, otherwise will return
-// nil and the error
-//
-// May create duplicates or return errors if src already
-// exists.
-func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
-	srcPath := src.Remote()
-	u, uRemote, err := f.findUpstream(srcPath)
-	if err != nil {
-		return nil, err
-	}
-	do := u.f.Features().PutUnchecked
-	if do == nil {
-		return nil, fs.ErrorNotImplemented
-	}
-	uSrc := fs.NewOverrideRemote(src, uRemote)
-	return do(ctx, in, uSrc, options...)
-}
-
-// MergeDirs merges the contents of all the directories passed
-// in into the first one and rmdirs the other directories.
-func (f *Fs) MergeDirs(ctx context.Context, dirs []fs.Directory) error {
-	if len(dirs) == 0 {
-		return nil
-	}
-	var (
-		u     *upstream
-		uDirs []fs.Directory
-	)
-	for _, dir := range dirs {
-		uNew, uDir, err := f.findUpstream(dir.Remote())
-		if err != nil {
-			return err
-		}
-		if u == nil {
-			u = uNew
-		} else if u != uNew {
-			return fmt.Errorf("can't merge directories from different upstreams")
-		}
-		uDirs = append(uDirs, fs.NewOverrideDirectory(dir, uDir))
-	}
-	do := u.f.Features().MergeDirs
-	if do == nil {
-		return fs.ErrorNotImplemented
-	}
-	return do(ctx, uDirs)
-}
-
-// CleanUp the trash in the Fs
-//
-// Implement this if you have a way of emptying the trash or
-// otherwise cleaning up old versions of files.
-func (f *Fs) CleanUp(ctx context.Context) error {
-	return f.multithread(ctx, func(ctx context.Context, u *upstream) error {
-		if do := u.f.Features().CleanUp; do != nil {
-			return do(ctx)
-		}
-		return nil
-	})
-}
-
-// OpenWriterAt opens with a handle for random access writes
-//
-// Pass in the remote desired and the size if known.
-//
-// It truncates any existing object
-func (f *Fs) OpenWriterAt(ctx context.Context, remote string, size int64) (fs.WriterAtCloser, error) {
-	u, uRemote, err := f.findUpstream(remote)
-	if err != nil {
-		return nil, err
-	}
-	do := u.f.Features().OpenWriterAt
-	if do == nil {
-		return nil, fs.ErrorNotImplemented
-	}
-	return do(ctx, uRemote, size)
-}
-
 // Object describes a wrapped Object
 //
 // This is a wrapped Object which knows its path prefix
@@ -1024,7 +916,7 @@ func (o *Object) String() string {
 func (o *Object) Remote() string {
 	newPath, err := o.u.pathAdjustment.do(o.Object.String())
 	if err != nil {
-		fs.Errorf(o.Object, "Bad object: %v", err)
+		fs.Errorf(o, "Bad object: %v", err)
 		return err.Error()
 	}
 	return newPath
@@ -1096,10 +988,5 @@ var (
 	_ fs.Abouter         = (*Fs)(nil)
 	_ fs.ListRer         = (*Fs)(nil)
 	_ fs.Shutdowner      = (*Fs)(nil)
-	_ fs.PublicLinker    = (*Fs)(nil)
-	_ fs.PutUncheckeder  = (*Fs)(nil)
-	_ fs.MergeDirser     = (*Fs)(nil)
-	_ fs.CleanUpper      = (*Fs)(nil)
-	_ fs.OpenWriterAter  = (*Fs)(nil)
 	_ fs.FullObject      = (*Object)(nil)
 )
--- a/backend/combine/combine_test.go
+++ b/backend/combine/combine_test.go
@@ -10,11 +10,6 @@ import (
 	"github.com/rclone/rclone/fstest/fstests"
 )

-var (
-	unimplementableFsMethods     = []string{"UnWrap", "WrapFs", "SetWrapper", "UserInfo", "Disconnect"}
-	unimplementableObjectMethods = []string{}
-)
-
 // TestIntegration runs integration tests against the remote
 func TestIntegration(t *testing.T) {
 	if *fstest.RemoteName == "" {
@@ -22,8 +17,8 @@ func TestIntegration(t *testing.T) {
 	}
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:                   *fstest.RemoteName,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		UnimplementableFsMethods:     []string{"OpenWriterAt", "DuplicateFiles"},
+		UnimplementableObjectMethods: []string{"MimeType"},
 	})
 }

@@ -40,9 +35,7 @@ func TestLocal(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		QuickTestOK:                  true,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		QuickTestOK: true,
 	})
 }

@@ -58,9 +51,7 @@ func TestMemory(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		QuickTestOK:                  true,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		QuickTestOK: true,
 	})
 }

@@ -77,8 +68,6 @@ func TestMixed(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
 	})
 }

--- a/backend/compress/compress.go
+++ b/backend/compress/compress.go
@@ -13,6 +13,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
 	"regexp"
 	"strings"
@@ -28,7 +29,6 @@ import (
 	"github.com/rclone/rclone/fs/config/configstruct"
 	"github.com/rclone/rclone/fs/fspath"
 	"github.com/rclone/rclone/fs/hash"
-	"github.com/rclone/rclone/fs/log"
 	"github.com/rclone/rclone/fs/object"
 	"github.com/rclone/rclone/fs/operations"
 )
@@ -90,7 +90,7 @@ Generally -1 (default, equivalent to 5) is recommended.
 Levels 1 to 9 increase compression at the cost of speed. Going past 6 
 generally offers very little return.

-Level -2 uses Huffman encoding only. Only use if you know what you
+Level -2 uses Huffmann encoding only. Only use if you know what you
 are doing.
 Level 0 turns off compression.`,
 			Default:  sgzip.DefaultCompression,
@@ -130,7 +130,7 @@ type Fs struct {
 	features *fs.Features // optional features
 }

-// NewFs constructs an Fs from the path, container:path
+// NewFs contstructs an Fs from the path, container:path
 func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs, error) {
 	// Parse config into Options struct
 	opt := new(Options)
@@ -186,7 +186,6 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f).Mask(ctx, wrappedFs).WrapsFs(f, wrappedFs)
 	// We support reading MIME types no matter the wrapped fs
 	f.features.ReadMimeType = true
@@ -368,16 +367,13 @@ func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
 	if err != nil {
 		return nil, err
 	}
-	meta, err := readMetadata(ctx, mo)
-	if err != nil {
-		return nil, fmt.Errorf("error decoding metadata: %w", err)
+	meta := readMetadata(ctx, mo)
+	if meta == nil {
+		return nil, errors.New("error decoding metadata")
 	}
 	// Create our Object
 	o, err := f.Fs.NewObject(ctx, makeDataName(remote, meta.CompressionMetadata.Size, meta.Mode))
-	if err != nil {
-		return nil, err
-	}
-	return f.newObject(o, mo, meta), nil
+	return f.newObject(o, mo, meta), err
 }

 // checkCompressAndType checks if an object is compressible and determines it's mime type
@@ -455,7 +451,7 @@ func (f *Fs) rcat(ctx context.Context, dstFileName string, in io.ReadCloser, mod
 		return f.Fs.Put(ctx, bytes.NewBuffer(buf[:n]), src, options...)
 	}

-	// Need to include what we already read
+	// Need to include what we allready read
 	in = &ReadCloserWrapper{
 		Reader: io.MultiReader(bytes.NewReader(buf), in),
 		Closer: in,
@@ -468,7 +464,7 @@ func (f *Fs) rcat(ctx context.Context, dstFileName string, in io.ReadCloser, mod
 	}

 	fs.Debugf(f, "Target remote doesn't support streaming uploads, creating temporary local file")
-	tempFile, err := os.CreateTemp("", "rclone-press-")
+	tempFile, err := ioutil.TempFile("", "rclone-press-")
 	defer func() {
 		// these errors should be relatively uncritical and the upload should've succeeded so it's okay-ish
 		// to ignore them
@@ -546,8 +542,8 @@ func (f *Fs) putCompress(ctx context.Context, in io.Reader, src fs.ObjectInfo, o
 	}

 	// Transfer the data
-	o, err := f.rcat(ctx, makeDataName(src.Remote(), src.Size(), f.mode), io.NopCloser(wrappedIn), src.ModTime(ctx), options)
-	//o, err := operations.Rcat(ctx, f.Fs, makeDataName(src.Remote(), src.Size(), f.mode), io.NopCloser(wrappedIn), src.ModTime(ctx))
+	o, err := f.rcat(ctx, makeDataName(src.Remote(), src.Size(), f.mode), ioutil.NopCloser(wrappedIn), src.ModTime(ctx), options)
+	//o, err := operations.Rcat(ctx, f.Fs, makeDataName(src.Remote(), src.Size(), f.mode), ioutil.NopCloser(wrappedIn), src.ModTime(ctx))
 	if err != nil {
 		if o != nil {
 			removeErr := o.Remove(ctx)
@@ -681,7 +677,7 @@ func (f *Fs) putWithCustomFunctions(ctx context.Context, in io.Reader, src fs.Ob
 		}
 		return nil, err
 	}
-	return f.newObject(dataObject, mo, meta), nil
+	return f.newObject(dataObject, mo, meta), err
 }

 // Put in to the remote path with the modTime given of the given size
@@ -735,7 +731,7 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 	}

 	// If our new object is compressed we have to rename it with the correct size.
-	// Uncompressed objects don't store the size in the name so we they'll already have the correct name.
+	// Uncompressed objects don't store the size in the name so we they'll allready have the correct name.
 	if compressible {
 		wrapObj, err := operations.Move(ctx, f.Fs, nil, f.dataName(src.Remote(), newObj.size, compressible), newObj.Object)
 		if err != nil {
@@ -746,7 +742,7 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 	return newObj, nil
 }

-// Temporarily disabled. There might be a way to implement this correctly but with the current handling metadata duplicate objects
+// Temporarely disabled. There might be a way to implement this correctly but with the current handling metadata duplicate objects
 // will break stuff. Right no I can't think of a way to make this work.

 // PutUnchecked uploads the object
@@ -789,9 +785,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Copy src to this remote using server side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -839,9 +835,9 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,

 // Move src to this remote using server side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1044,19 +1040,24 @@ func newMetadata(size int64, mode int, cmeta sgzip.GzipMetadata, md5 string, mim
 }

 // This function will read the metadata from a metadata object.
-func readMetadata(ctx context.Context, mo fs.Object) (meta *ObjectMetadata, err error) {
+func readMetadata(ctx context.Context, mo fs.Object) (meta *ObjectMetadata) {
 	// Open our meradata object
 	rc, err := mo.Open(ctx)
 	if err != nil {
-		return nil, err
+		return nil
 	}
-	defer fs.CheckClose(rc, &err)
+	defer func() {
+		err := rc.Close()
+		if err != nil {
+			fs.Errorf(mo, "Error closing object: %v", err)
+		}
+	}()
 	jr := json.NewDecoder(rc)
 	meta = new(ObjectMetadata)
 	if err = jr.Decode(meta); err != nil {
-		return nil, err
+		return nil
 	}
-	return meta, nil
+	return meta
 }

 // Remove removes this object
@@ -1101,9 +1102,6 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	origName := o.Remote()
 	if o.meta.Mode != Uncompressed || compressible {
 		newObject, err = o.f.putWithCustomFunctions(ctx, in, o.f.wrapInfo(src, origName, src.Size()), options, o.f.Fs.Put, updateMeta, compressible, mimeType)
-		if err != nil {
-			return err
-		}
 		if newObject.Object.Remote() != o.Object.Remote() {
 			if removeErr := o.Object.Remove(ctx); removeErr != nil {
 				return removeErr
@@ -1117,9 +1115,9 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		}
 		// If we are, just update the object and metadata
 		newObject, err = o.f.putWithCustomFunctions(ctx, in, src, options, update, updateMeta, compressible, mimeType)
-		if err != nil {
-			return err
-		}
+	}
+	if err != nil {
+		return err
 	}
 	// Update object metadata and return
 	o.Object = newObject.Object
@@ -1130,9 +1128,6 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op

 // This will initialize the variables of a new press Object. The metadata object, mo, and metadata struct, meta, must be specified.
 func (f *Fs) newObject(o fs.Object, mo fs.Object, meta *ObjectMetadata) *Object {
-	if o == nil {
-		log.Trace(nil, "newObject(%#v, %#v, %#v) called with nil o", o, mo, meta)
-	}
 	return &Object{
 		Object: o,
 		f:      f,
@@ -1145,9 +1140,6 @@ func (f *Fs) newObject(o fs.Object, mo fs.Object, meta *ObjectMetadata) *Object

 // This initializes the variables of a press Object with only the size. The metadata will be loaded later on demand.
 func (f *Fs) newObjectSizeAndNameOnly(o fs.Object, moName string, size int64) *Object {
-	if o == nil {
-		log.Trace(nil, "newObjectSizeAndNameOnly(%#v, %#v, %#v) called with nil o", o, moName, size)
-	}
 	return &Object{
 		Object: o,
 		f:      f,
@@ -1175,7 +1167,7 @@ func (o *Object) loadMetadataIfNotLoaded(ctx context.Context) (err error) {
 		return err
 	}
 	if o.meta == nil {
-		o.meta, err = readMetadata(ctx, o.mo)
+		o.meta = readMetadata(ctx, o.mo)
 	}
 	return err
 }
--- a/backend/crypt/cipher.go
+++ b/backend/crypt/cipher.go
@@ -21,7 +21,6 @@ import (
 	"github.com/rclone/rclone/backend/crypt/pkcs7"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/accounting"
-	"github.com/rclone/rclone/lib/readers"
 	"github.com/rclone/rclone/lib/version"
 	"github.com/rfjakob/eme"
 	"golang.org/x/crypto/nacl/secretbox"
@@ -38,6 +37,7 @@ const (
 	blockHeaderSize     = secretbox.Overhead
 	blockDataSize       = 64 * 1024
 	blockSize           = blockHeaderSize + blockDataSize
+	encryptedSuffix     = ".bin" // when file name encryption is off we add this suffix to make sure the cloud provider doesn't process the file
 )

 // Errors returned by cipher
@@ -53,9 +53,8 @@ var (
 	ErrorEncryptedBadBlock       = errors.New("failed to authenticate decrypted block - bad password?")
 	ErrorBadBase32Encoding       = errors.New("bad base32 filename encoding")
 	ErrorFileClosed              = errors.New("file already closed")
-	ErrorNotAnEncryptedFile      = errors.New("not an encrypted file - does not match suffix")
+	ErrorNotAnEncryptedFile      = errors.New("not an encrypted file - no \"" + encryptedSuffix + "\" suffix")
 	ErrorBadSeek                 = errors.New("Seek beyond end of file")
-	ErrorSuffixMissingDot        = errors.New("suffix config setting should include a '.'")
 	defaultSalt                  = []byte{0xA8, 0x0D, 0xF4, 0x3A, 0x8F, 0xBD, 0x03, 0x08, 0xA7, 0xCA, 0xB8, 0x3E, 0x58, 0x1F, 0x86, 0xB1}
 	obfuscQuoteRune              = '!'
 )
@@ -128,11 +127,11 @@ type fileNameEncoding interface {
 // RFC4648
 //
 // The standard encoding is modified in two ways
-//   - it becomes lower case (no-one likes upper case filenames!)
-//   - we strip the padding character `=`
+//  * it becomes lower case (no-one likes upper case filenames!)
+//  * we strip the padding character `=`
 type caseInsensitiveBase32Encoding struct{}

-// EncodeToString encodes a string using the modified version of
+// EncodeToString encodes a strign using the modified version of
 // base32 encoding.
 func (caseInsensitiveBase32Encoding) EncodeToString(src []byte) string {
 	encoded := base32.HexEncoding.EncodeToString(src)
@@ -170,30 +169,27 @@ func NewNameEncoding(s string) (enc fileNameEncoding, err error) {

 // Cipher defines an encoding and decoding cipher for the crypt backend
 type Cipher struct {
-	dataKey         [32]byte                  // Key for secretbox
-	nameKey         [32]byte                  // 16,24 or 32 bytes
-	nameTweak       [nameCipherBlockSize]byte // used to tweak the name crypto
-	block           gocipher.Block
-	mode            NameEncryptionMode
-	fileNameEnc     fileNameEncoding
-	buffers         sync.Pool // encrypt/decrypt buffers
-	cryptoRand      io.Reader // read crypto random numbers from here
-	dirNameEncrypt  bool
-	passBadBlocks   bool // if set passed bad blocks as zeroed blocks
-	encryptedSuffix string
+	dataKey        [32]byte                  // Key for secretbox
+	nameKey        [32]byte                  // 16,24 or 32 bytes
+	nameTweak      [nameCipherBlockSize]byte // used to tweak the name crypto
+	block          gocipher.Block
+	mode           NameEncryptionMode
+	fileNameEnc    fileNameEncoding
+	buffers        sync.Pool // encrypt/decrypt buffers
+	cryptoRand     io.Reader // read crypto random numbers from here
+	dirNameEncrypt bool
 }

 // newCipher initialises the cipher.  If salt is "" then it uses a built in salt val
 func newCipher(mode NameEncryptionMode, password, salt string, dirNameEncrypt bool, enc fileNameEncoding) (*Cipher, error) {
 	c := &Cipher{
-		mode:            mode,
-		fileNameEnc:     enc,
-		cryptoRand:      rand.Reader,
-		dirNameEncrypt:  dirNameEncrypt,
-		encryptedSuffix: ".bin",
+		mode:           mode,
+		fileNameEnc:    enc,
+		cryptoRand:     rand.Reader,
+		dirNameEncrypt: dirNameEncrypt,
 	}
 	c.buffers.New = func() interface{} {
-		return new([blockSize]byte)
+		return make([]byte, blockSize)
 	}
 	err := c.Key(password, salt)
 	if err != nil {
@@ -202,29 +198,11 @@ func newCipher(mode NameEncryptionMode, password, salt string, dirNameEncrypt bo
 	return c, nil
 }

-// setEncryptedSuffix set suffix, or an empty string
-func (c *Cipher) setEncryptedSuffix(suffix string) {
-	if strings.EqualFold(suffix, "none") {
-		c.encryptedSuffix = ""
-		return
-	}
-	if !strings.HasPrefix(suffix, ".") {
-		fs.Errorf(nil, "crypt: bad suffix: %v", ErrorSuffixMissingDot)
-		suffix = "." + suffix
-	}
-	c.encryptedSuffix = suffix
-}
-
-// Call to set bad block pass through
-func (c *Cipher) setPassBadBlocks(passBadBlocks bool) {
-	c.passBadBlocks = passBadBlocks
-}
-
 // Key creates all the internal keys from the password passed in using
 // scrypt.
 //
 // If salt is "" we use a fixed salt just to make attackers lives
-// slightly harder than using no salt.
+// slighty harder than using no salt.
 //
 // Note that empty password makes all 0x00 keys which is used in the
 // tests.
@@ -252,18 +230,21 @@ func (c *Cipher) Key(password, salt string) (err error) {
 }

 // getBlock gets a block from the pool of size blockSize
-func (c *Cipher) getBlock() *[blockSize]byte {
-	return c.buffers.Get().(*[blockSize]byte)
+func (c *Cipher) getBlock() []byte {
+	return c.buffers.Get().([]byte)
 }

 // putBlock returns a block to the pool of size blockSize
-func (c *Cipher) putBlock(buf *[blockSize]byte) {
+func (c *Cipher) putBlock(buf []byte) {
+	if len(buf) != blockSize {
+		panic("bad blocksize returned to pool")
+	}
 	c.buffers.Put(buf)
 }

 // encryptSegment encrypts a path segment
 //
-// This uses EME with AES.
+// This uses EME with AES
 //
 // EME (ECB-Mix-ECB) is a wide-block encryption mode presented in the
 // 2003 paper "A Parallelizable Enciphering Mode" by Halevi and
@@ -273,8 +254,8 @@ func (c *Cipher) putBlock(buf *[blockSize]byte) {
 // same filename must encrypt to the same thing.
 //
 // This means that
-//   - filenames with the same name will encrypt the same
-//   - filenames which start the same won't have a common prefix
+//  * filenames with the same name will encrypt the same
+//  * filenames which start the same won't have a common prefix
 func (c *Cipher) encryptSegment(plaintext string) string {
 	if plaintext == "" {
 		return ""
@@ -527,7 +508,7 @@ func (c *Cipher) encryptFileName(in string) string {
 // EncryptFileName encrypts a file path
 func (c *Cipher) EncryptFileName(in string) string {
 	if c.mode == NameEncryptionOff {
-		return in + c.encryptedSuffix
+		return in + encryptedSuffix
 	}
 	return c.encryptFileName(in)
 }
@@ -587,8 +568,8 @@ func (c *Cipher) decryptFileName(in string) (string, error) {
 // DecryptFileName decrypts a file path
 func (c *Cipher) DecryptFileName(in string) (string, error) {
 	if c.mode == NameEncryptionOff {
-		remainingLength := len(in) - len(c.encryptedSuffix)
-		if remainingLength == 0 || !strings.HasSuffix(in, c.encryptedSuffix) {
+		remainingLength := len(in) - len(encryptedSuffix)
+		if remainingLength == 0 || !strings.HasSuffix(in, encryptedSuffix) {
 			return "", ErrorNotAnEncryptedFile
 		}
 		decrypted := in[:remainingLength]
@@ -628,7 +609,7 @@ func (n *nonce) pointer() *[fileNonceSize]byte {
 // fromReader fills the nonce from an io.Reader - normally the OSes
 // crypto random number generator
 func (n *nonce) fromReader(in io.Reader) error {
-	read, err := readers.ReadFill(in, (*n)[:])
+	read, err := io.ReadFull(in, (*n)[:])
 	if read != fileNonceSize {
 		return fmt.Errorf("short read of nonce: %w", err)
 	}
@@ -683,8 +664,8 @@ type encrypter struct {
 	in       io.Reader
 	c        *Cipher
 	nonce    nonce
-	buf      *[blockSize]byte
-	readBuf  *[blockSize]byte
+	buf      []byte
+	readBuf  []byte
 	bufIndex int
 	bufSize  int
 	err      error
@@ -709,9 +690,9 @@ func (c *Cipher) newEncrypter(in io.Reader, nonce *nonce) (*encrypter, error) {
 		}
 	}
 	// Copy magic into buffer
-	copy((*fh.buf)[:], fileMagicBytes)
+	copy(fh.buf, fileMagicBytes)
 	// Copy nonce into buffer
-	copy((*fh.buf)[fileMagicSize:], fh.nonce[:])
+	copy(fh.buf[fileMagicSize:], fh.nonce[:])
 	return fh, nil
 }

@@ -726,20 +707,22 @@ func (fh *encrypter) Read(p []byte) (n int, err error) {
 	if fh.bufIndex >= fh.bufSize {
 		// Read data
 		// FIXME should overlap the reads with a go-routine and 2 buffers?
-		readBuf := (*fh.readBuf)[:blockDataSize]
-		n, err = readers.ReadFill(fh.in, readBuf)
+		readBuf := fh.readBuf[:blockDataSize]
+		n, err = io.ReadFull(fh.in, readBuf)
 		if n == 0 {
+			// err can't be nil since:
+			// n == len(buf) if and only if err == nil.
 			return fh.finish(err)
 		}
 		// possibly err != nil here, but we will process the
-		// data and the next call to ReadFill will return 0, err
+		// data and the next call to ReadFull will return 0, err
 		// Encrypt the block using the nonce
-		secretbox.Seal((*fh.buf)[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
+		secretbox.Seal(fh.buf[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
 		fh.bufIndex = 0
 		fh.bufSize = blockHeaderSize + n
 		fh.nonce.increment()
 	}
-	n = copy(p, (*fh.buf)[fh.bufIndex:fh.bufSize])
+	n = copy(p, fh.buf[fh.bufIndex:fh.bufSize])
 	fh.bufIndex += n
 	return n, nil
 }
@@ -780,8 +763,8 @@ type decrypter struct {
 	nonce        nonce
 	initialNonce nonce
 	c            *Cipher
-	buf          *[blockSize]byte
-	readBuf      *[blockSize]byte
+	buf          []byte
+	readBuf      []byte
 	bufIndex     int
 	bufSize      int
 	err          error
@@ -799,12 +782,12 @@ func (c *Cipher) newDecrypter(rc io.ReadCloser) (*decrypter, error) {
 		limit:   -1,
 	}
 	// Read file header (magic + nonce)
-	readBuf := (*fh.readBuf)[:fileHeaderSize]
-	n, err := readers.ReadFill(fh.rc, readBuf)
-	if n < fileHeaderSize && err == io.EOF {
+	readBuf := fh.readBuf[:fileHeaderSize]
+	_, err := io.ReadFull(fh.rc, readBuf)
+	if err == io.EOF || err == io.ErrUnexpectedEOF {
 		// This read from 0..fileHeaderSize-1 bytes
 		return nil, fh.finishAndClose(ErrorEncryptedFileTooShort)
-	} else if err != io.EOF && err != nil {
+	} else if err != nil {
 		return nil, fh.finishAndClose(err)
 	}
 	// check the magic
@@ -862,8 +845,10 @@ func (c *Cipher) newDecrypterSeek(ctx context.Context, open OpenRangeSeek, offse
 func (fh *decrypter) fillBuffer() (err error) {
 	// FIXME should overlap the reads with a go-routine and 2 buffers?
 	readBuf := fh.readBuf
-	n, err := readers.ReadFill(fh.rc, (*readBuf)[:])
+	n, err := io.ReadFull(fh.rc, readBuf)
 	if n == 0 {
+		// err can't be nil since:
+		// n == len(buf) if and only if err == nil.
 		return err
 	}
 	// possibly err != nil here, but we will process the data and
@@ -871,25 +856,18 @@ func (fh *decrypter) fillBuffer() (err error) {

 	// Check header + 1 byte exists
 	if n <= blockHeaderSize {
-		if err != nil && err != io.EOF {
+		if err != nil {
 			return err // return pending error as it is likely more accurate
 		}
 		return ErrorEncryptedFileBadHeader
 	}
 	// Decrypt the block using the nonce
-	_, ok := secretbox.Open((*fh.buf)[:0], (*readBuf)[:n], fh.nonce.pointer(), &fh.c.dataKey)
+	_, ok := secretbox.Open(fh.buf[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
 	if !ok {
-		if err != nil && err != io.EOF {
+		if err != nil {
 			return err // return pending error as it is likely more accurate
 		}
-		if !fh.c.passBadBlocks {
-			return ErrorEncryptedBadBlock
-		}
-		fs.Errorf(nil, "crypt: ignoring: %v", ErrorEncryptedBadBlock)
-		// Zero out the bad block and continue
-		for i := range (*fh.buf)[:n] {
-			(*fh.buf)[i] = 0
-		}
+		return ErrorEncryptedBadBlock
 	}
 	fh.bufIndex = 0
 	fh.bufSize = n - blockHeaderSize
@@ -915,7 +893,7 @@ func (fh *decrypter) Read(p []byte) (n int, err error) {
 	if fh.limit >= 0 && fh.limit < int64(toCopy) {
 		toCopy = int(fh.limit)
 	}
-	n = copy(p, (*fh.buf)[fh.bufIndex:fh.bufIndex+toCopy])
+	n = copy(p, fh.buf[fh.bufIndex:fh.bufIndex+toCopy])
 	fh.bufIndex += n
 	if fh.limit >= 0 {
 		fh.limit -= int64(n)
@@ -926,8 +904,9 @@ func (fh *decrypter) Read(p []byte) (n int, err error) {
 	return n, nil
 }

-// calculateUnderlying converts an (offset, limit) in an encrypted file
-// into an (underlyingOffset, underlyingLimit) for the underlying file.
+// calculateUnderlying converts an (offset, limit) in a crypted file
+// into an (underlyingOffset, underlyingLimit) for the underlying
+// file.
 //
 // It also returns number of bytes to discard after reading the first
 // block and number of blocks this is from the start so the nonce can
@@ -1106,7 +1085,7 @@ func (c *Cipher) DecryptData(rc io.ReadCloser) (io.ReadCloser, error) {

 // DecryptDataSeek decrypts the data stream from offset
 //
-// The open function must return a ReadCloser opened to the offset supplied.
+// The open function must return a ReadCloser opened to the offset supplied
 //
 // You must use this form of DecryptData if you might want to Seek the file handle
 func (c *Cipher) DecryptDataSeek(ctx context.Context, open OpenRangeSeek, offset, limit int64) (ReadSeekCloser, error) {
--- a/backend/crypt/cipher_test.go
+++ b/backend/crypt/cipher_test.go
@@ -8,6 +8,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"strings"
 	"testing"

@@ -27,14 +28,14 @@ func TestNewNameEncryptionMode(t *testing.T) {
 		{"off", NameEncryptionOff, ""},
 		{"standard", NameEncryptionStandard, ""},
 		{"obfuscate", NameEncryptionObfuscated, ""},
-		{"potato", NameEncryptionOff, "unknown file name encryption mode \"potato\""},
+		{"potato", NameEncryptionOff, "Unknown file name encryption mode \"potato\""},
 	} {
 		actual, actualErr := NewNameEncryptionMode(test.in)
 		assert.Equal(t, actual, test.expected)
 		if test.expectedErr == "" {
 			assert.NoError(t, actualErr)
 		} else {
-			assert.EqualError(t, actualErr, test.expectedErr)
+			assert.Error(t, actualErr, test.expectedErr)
 		}
 	}
 }
@@ -405,13 +406,6 @@ func TestNonStandardEncryptFileName(t *testing.T) {
 	// Off mode
 	c, _ := newCipher(NameEncryptionOff, "", "", true, nil)
 	assert.Equal(t, "1/12/123.bin", c.EncryptFileName("1/12/123"))
-	// Off mode with custom suffix
-	c, _ = newCipher(NameEncryptionOff, "", "", true, nil)
-	c.setEncryptedSuffix(".jpg")
-	assert.Equal(t, "1/12/123.jpg", c.EncryptFileName("1/12/123"))
-	// Off mode with empty suffix
-	c.setEncryptedSuffix("none")
-	assert.Equal(t, "1/12/123", c.EncryptFileName("1/12/123"))
 	// Obfuscation mode
 	c, _ = newCipher(NameEncryptionObfuscated, "", "", true, nil)
 	assert.Equal(t, "49.6/99.23/150.890/53.!!lipps", c.EncryptFileName("1/12/123/!hello"))
@@ -490,27 +484,21 @@ func TestNonStandardDecryptFileName(t *testing.T) {
 			in             string
 			expected       string
 			expectedErr    error
-			customSuffix   string
 		}{
-			{NameEncryptionOff, true, "1/12/123.bin", "1/12/123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123.bix", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionOff, true, ".bin", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionOff, true, "1/12/123-v2001-02-03-040506-123.bin", "1/12/123-v2001-02-03-040506-123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt", nil, ""},
-			{NameEncryptionOff, true, "1/12/123.jpg", "1/12/123", nil, ".jpg"},
-			{NameEncryptionOff, true, "1/12/123", "1/12/123", nil, "none"},
-			{NameEncryptionObfuscated, true, "!.hello", "hello", nil, ""},
-			{NameEncryptionObfuscated, true, "hello", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionObfuscated, true, "161.\u00e4", "\u00a1", nil, ""},
-			{NameEncryptionObfuscated, true, "160.\u03c2", "\u03a0", nil, ""},
-			{NameEncryptionObfuscated, false, "1/12/123/53.!!lipps", "1/12/123/!hello", nil, ""},
-			{NameEncryptionObfuscated, false, "1/12/123/53-v2001-02-03-040506-123.!!lipps", "1/12/123/!hello-v2001-02-03-040506-123", nil, ""},
+			{NameEncryptionOff, true, "1/12/123.bin", "1/12/123", nil},
+			{NameEncryptionOff, true, "1/12/123.bix", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionOff, true, ".bin", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionOff, true, "1/12/123-v2001-02-03-040506-123.bin", "1/12/123-v2001-02-03-040506-123", nil},
+			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123", nil},
+			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt", nil},
+			{NameEncryptionObfuscated, true, "!.hello", "hello", nil},
+			{NameEncryptionObfuscated, true, "hello", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionObfuscated, true, "161.\u00e4", "\u00a1", nil},
+			{NameEncryptionObfuscated, true, "160.\u03c2", "\u03a0", nil},
+			{NameEncryptionObfuscated, false, "1/12/123/53.!!lipps", "1/12/123/!hello", nil},
+			{NameEncryptionObfuscated, false, "1/12/123/53-v2001-02-03-040506-123.!!lipps", "1/12/123/!hello-v2001-02-03-040506-123", nil},
 		} {
 			c, _ := newCipher(test.mode, "", "", test.dirNameEncrypt, enc)
-			if test.customSuffix != "" {
-				c.setEncryptedSuffix(test.customSuffix)
-			}
 			actual, actualErr := c.DecryptFileName(test.in)
 			what := fmt.Sprintf("Testing %q (mode=%v)", test.in, test.mode)
 			assert.Equal(t, test.expected, actual, what)
@@ -739,7 +727,7 @@ func TestNonceFromReader(t *testing.T) {
 	assert.Equal(t, nonce{'1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o'}, x)
 	buf = bytes.NewBufferString("123456789abcdefghijklmn")
 	err = x.fromReader(buf)
-	assert.EqualError(t, err, "short read of nonce: EOF")
+	assert.Error(t, err, "short read of nonce")
 }

 func TestNonceFromBuf(t *testing.T) {
@@ -1063,7 +1051,7 @@ func TestRandomSource(t *testing.T) {
 	_, _ = source.Read(buf)
 	sink = newRandomSource(1e8)
 	_, err = io.Copy(sink, source)
-	assert.EqualError(t, err, "Error in stream at 1")
+	assert.Error(t, err, "Error in stream")
 }

 type zeroes struct{}
@@ -1085,7 +1073,7 @@ func testEncryptDecrypt(t *testing.T, bufSize int, copySize int64) {
 	source := newRandomSource(copySize)
 	encrypted, err := c.newEncrypter(source, nil)
 	assert.NoError(t, err)
-	decrypted, err := c.newDecrypter(io.NopCloser(encrypted))
+	decrypted, err := c.newDecrypter(ioutil.NopCloser(encrypted))
 	assert.NoError(t, err)
 	sink := newRandomSource(copySize)
 	n, err := io.CopyBuffer(sink, decrypted, buf)
@@ -1156,15 +1144,15 @@ func TestEncryptData(t *testing.T) {
 		buf := bytes.NewBuffer(test.in)
 		encrypted, err := c.EncryptData(buf)
 		assert.NoError(t, err)
-		out, err := io.ReadAll(encrypted)
+		out, err := ioutil.ReadAll(encrypted)
 		assert.NoError(t, err)
 		assert.Equal(t, test.expected, out)

 		// Check we can decode the data properly too...
 		buf = bytes.NewBuffer(out)
-		decrypted, err := c.DecryptData(io.NopCloser(buf))
+		decrypted, err := c.DecryptData(ioutil.NopCloser(buf))
 		assert.NoError(t, err)
-		out, err = io.ReadAll(decrypted)
+		out, err = ioutil.ReadAll(decrypted)
 		assert.NoError(t, err)
 		assert.Equal(t, test.in, out)
 	}
@@ -1180,13 +1168,13 @@ func TestNewEncrypter(t *testing.T) {
 	fh, err := c.newEncrypter(z, nil)
 	assert.NoError(t, err)
 	assert.Equal(t, nonce{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, fh.nonce)
-	assert.Equal(t, []byte{'R', 'C', 'L', 'O', 'N', 'E', 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, (*fh.buf)[:32])
+	assert.Equal(t, []byte{'R', 'C', 'L', 'O', 'N', 'E', 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, fh.buf[:32])

 	// Test error path
 	c.cryptoRand = bytes.NewBufferString("123456789abcdefghijklmn")
 	fh, err = c.newEncrypter(z, nil)
 	assert.Nil(t, fh)
-	assert.EqualError(t, err, "short read of nonce: EOF")
+	assert.Error(t, err, "short read of nonce")
 }

 // Test the stream returning 0, io.ErrUnexpectedEOF - this used to
@@ -1199,7 +1187,7 @@ func TestNewEncrypterErrUnexpectedEOF(t *testing.T) {
 	fh, err := c.newEncrypter(in, nil)
 	assert.NoError(t, err)

-	n, err := io.CopyN(io.Discard, fh, 1e6)
+	n, err := io.CopyN(ioutil.Discard, fh, 1e6)
 	assert.Equal(t, io.ErrUnexpectedEOF, err)
 	assert.Equal(t, int64(32), n)
 }
@@ -1237,7 +1225,7 @@ func TestNewDecrypter(t *testing.T) {
 		cd := newCloseDetector(bytes.NewBuffer(file0[:i]))
 		fh, err = c.newDecrypter(cd)
 		assert.Nil(t, fh)
-		assert.EqualError(t, err, ErrorEncryptedFileTooShort.Error())
+		assert.Error(t, err, ErrorEncryptedFileTooShort.Error())
 		assert.Equal(t, 1, cd.closed)
 	}

@@ -1245,7 +1233,7 @@ func TestNewDecrypter(t *testing.T) {
 	cd = newCloseDetector(er)
 	fh, err = c.newDecrypter(cd)
 	assert.Nil(t, fh)
-	assert.EqualError(t, err, "potato")
+	assert.Error(t, err, "potato")
 	assert.Equal(t, 1, cd.closed)

 	// bad magic
@@ -1256,7 +1244,7 @@ func TestNewDecrypter(t *testing.T) {
 		cd := newCloseDetector(bytes.NewBuffer(file0copy))
 		fh, err := c.newDecrypter(cd)
 		assert.Nil(t, fh)
-		assert.EqualError(t, err, ErrorEncryptedBadMagic.Error())
+		assert.Error(t, err, ErrorEncryptedBadMagic.Error())
 		file0copy[i] ^= 0x1
 		assert.Equal(t, 1, cd.closed)
 	}
@@ -1269,12 +1257,12 @@ func TestNewDecrypterErrUnexpectedEOF(t *testing.T) {

 	in2 := &readers.ErrorReader{Err: io.ErrUnexpectedEOF}
 	in1 := bytes.NewBuffer(file16)
-	in := io.NopCloser(io.MultiReader(in1, in2))
+	in := ioutil.NopCloser(io.MultiReader(in1, in2))

 	fh, err := c.newDecrypter(in)
 	assert.NoError(t, err)

-	n, err := io.CopyN(io.Discard, fh, 1e6)
+	n, err := io.CopyN(ioutil.Discard, fh, 1e6)
 	assert.Equal(t, io.ErrUnexpectedEOF, err)
 	assert.Equal(t, int64(16), n)
 }
@@ -1286,14 +1274,14 @@ func TestNewDecrypterSeekLimit(t *testing.T) {

 	// Make random data
 	const dataSize = 150000
-	plaintext, err := io.ReadAll(newRandomSource(dataSize))
+	plaintext, err := ioutil.ReadAll(newRandomSource(dataSize))
 	assert.NoError(t, err)

 	// Encrypt the data
 	buf := bytes.NewBuffer(plaintext)
 	encrypted, err := c.EncryptData(buf)
 	assert.NoError(t, err)
-	ciphertext, err := io.ReadAll(encrypted)
+	ciphertext, err := ioutil.ReadAll(encrypted)
 	assert.NoError(t, err)

 	trials := []int{0, 1, 2, 3, 4, 5, 7, 8, 9, 15, 16, 17, 31, 32, 33, 63, 64, 65,
@@ -1312,7 +1300,7 @@ func TestNewDecrypterSeekLimit(t *testing.T) {
 				end = len(ciphertext)
 			}
 		}
-		reader = io.NopCloser(bytes.NewBuffer(ciphertext[int(underlyingOffset):end]))
+		reader = ioutil.NopCloser(bytes.NewBuffer(ciphertext[int(underlyingOffset):end]))
 		return reader, nil
 	}

@@ -1502,16 +1490,14 @@ func TestDecrypterRead(t *testing.T) {
 			assert.NoError(t, err, what)
 			continue
 		}
-		_, err = io.ReadAll(fh)
+		_, err = ioutil.ReadAll(fh)
 		var expectedErr error
 		switch {
 		case i == fileHeaderSize:
 			// This would normally produce an error *except* on the first block
 			expectedErr = nil
-		case i <= fileHeaderSize+blockHeaderSize:
-			expectedErr = ErrorEncryptedFileBadHeader
 		default:
-			expectedErr = ErrorEncryptedBadBlock
+			expectedErr = io.ErrUnexpectedEOF
 		}
 		if expectedErr != nil {
 			assert.EqualError(t, err, expectedErr.Error(), what)
@@ -1528,8 +1514,8 @@ func TestDecrypterRead(t *testing.T) {
 	cd := newCloseDetector(in)
 	fh, err := c.newDecrypter(cd)
 	assert.NoError(t, err)
-	_, err = io.ReadAll(fh)
-	assert.EqualError(t, err, "potato")
+	_, err = ioutil.ReadAll(fh)
+	assert.Error(t, err, "potato")
 	assert.Equal(t, 0, cd.closed)

 	// Test corrupting the input
@@ -1538,28 +1524,17 @@ func TestDecrypterRead(t *testing.T) {
 	copy(file16copy, file16)
 	for i := range file16copy {
 		file16copy[i] ^= 0xFF
-		fh, err := c.newDecrypter(io.NopCloser(bytes.NewBuffer(file16copy)))
+		fh, err := c.newDecrypter(ioutil.NopCloser(bytes.NewBuffer(file16copy)))
 		if i < fileMagicSize {
-			assert.EqualError(t, err, ErrorEncryptedBadMagic.Error())
+			assert.Error(t, err, ErrorEncryptedBadMagic.Error())
 			assert.Nil(t, fh)
 		} else {
 			assert.NoError(t, err)
-			_, err = io.ReadAll(fh)
-			assert.EqualError(t, err, ErrorEncryptedBadBlock.Error())
+			_, err = ioutil.ReadAll(fh)
+			assert.Error(t, err, ErrorEncryptedFileBadHeader.Error())
 		}
 		file16copy[i] ^= 0xFF
 	}
-
-	// Test that we can corrupt a byte and read zeroes if
-	// passBadBlocks is set
-	copy(file16copy, file16)
-	file16copy[len(file16copy)-1] ^= 0xFF
-	c.passBadBlocks = true
-	fh, err = c.newDecrypter(io.NopCloser(bytes.NewBuffer(file16copy)))
-	assert.NoError(t, err)
-	buf, err := io.ReadAll(fh)
-	assert.NoError(t, err)
-	assert.Equal(t, make([]byte, 16), buf)
 }

 func TestDecrypterClose(t *testing.T) {
@@ -1580,7 +1555,7 @@ func TestDecrypterClose(t *testing.T) {

 	// double close
 	err = fh.Close()
-	assert.EqualError(t, err, ErrorFileClosed.Error())
+	assert.Error(t, err, ErrorFileClosed.Error())
 	assert.Equal(t, 1, cd.closed)

 	// try again reading the file this time
@@ -1590,7 +1565,7 @@ func TestDecrypterClose(t *testing.T) {
 	assert.Equal(t, 0, cd.closed)

 	// close after reading
-	out, err := io.ReadAll(fh)
+	out, err := ioutil.ReadAll(fh)
 	assert.NoError(t, err)
 	assert.Equal(t, []byte{1}, out)
 	assert.Equal(t, io.EOF, fh.err)
@@ -1607,6 +1582,8 @@ func TestPutGetBlock(t *testing.T) {
 	block := c.getBlock()
 	c.putBlock(block)
 	c.putBlock(block)
+
+	assert.Panics(t, func() { c.putBlock(block[:len(block)-1]) })
 }

 func TestKey(t *testing.T) {
--- a/backend/crypt/crypt.go
+++ b/backend/crypt/crypt.go
@@ -48,7 +48,7 @@ func init() {
 					Help:  "Very simple filename obfuscation.",
 				}, {
 					Value: "off",
-					Help:  "Don't encrypt the file names.\nAdds a \".bin\", or \"suffix\" extension only.",
+					Help:  "Don't encrypt the file names.\nAdds a \".bin\" extension only.",
 				},
 			},
 		}, {
@@ -79,9 +79,7 @@ NB If filename_encryption is "off" then this option will do nothing.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different crypt configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different crypt configs.

 Normally this option is not what you want, but if you have two crypts
 pointing to the same backend you can use it.
@@ -121,22 +119,13 @@ names, or for debugging purposes.`,
 					Help:  "Encrypt file data.",
 				},
 			},
-		}, {
-			Name: "pass_bad_blocks",
-			Help: `If set this will pass bad blocks through as all 0.
-
-This should not be set in normal operation, it should only be set if
-trying to recover an encrypted file with errors and it is desired to
-recover as much of the file as possible.`,
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name: "filename_encoding",
 			Help: `How to encode the encrypted filename to text string.

 This option could help with shortening the encrypted filename. The 
 suitable option would depend on the way your remote count the filename
-length and if it's case sensitive.`,
+length and if it's case sensitve.`,
 			Default: "base32",
 			Examples: []fs.OptionExample{
 				{
@@ -149,18 +138,10 @@ length and if it's case sensitive.`,
 				},
 				{
 					Value: "base32768",
-					Help:  "Encode using base32768. Suitable if your remote counts UTF-16 or\nUnicode codepoint instead of UTF-8 byte length. (Eg. Onedrive, Dropbox)",
+					Help:  "Encode using base32768. Suitable if your remote counts UTF-16 or\nUnicode codepoint instead of UTF-8 byte length. (Eg. Onedrive)",
 				},
 			},
 			Advanced: true,
-		}, {
-			Name: "suffix",
-			Help: `If this is set it will override the default suffix of ".bin".
-
-Setting suffix to "none" will result in an empty suffix. This may be useful 
-when the path length is critical.`,
-			Default:  ".bin",
-			Advanced: true,
 		}},
 	})
 }
@@ -193,8 +174,6 @@ func newCipherForConfig(opt *Options) (*Cipher, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed to make cipher: %w", err)
 	}
-	cipher.setEncryptedSuffix(opt.Suffix)
-	cipher.setPassBadBlocks(opt.PassBadBlocks)
 	return cipher, nil
 }

@@ -256,7 +235,7 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 	// the features here are ones we could support, and they are
 	// ANDed with the ones from wrappedFs
 	f.features = (&fs.Features{
-		CaseInsensitive:         !cipher.dirNameEncrypt || cipher.NameEncryptionMode() == NameEncryptionOff,
+		CaseInsensitive:         cipher.NameEncryptionMode() == NameEncryptionOff,
 		DuplicateFiles:          true,
 		ReadMimeType:            false, // MimeTypes not supported with crypt
 		WriteMimeType:           false,
@@ -268,7 +247,6 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f).Mask(ctx, wrappedFs).WrapsFs(f, wrappedFs)

 	return f, err
@@ -284,9 +262,7 @@ type Options struct {
 	Password2               string `config:"password2"`
 	ServerSideAcrossConfigs bool   `config:"server_side_across_configs"`
 	ShowMapping             bool   `config:"show_mapping"`
-	PassBadBlocks           bool   `config:"pass_bad_blocks"`
 	FilenameEncoding        string `config:"filename_encoding"`
-	Suffix                  string `config:"suffix"`
 }

 // Fs represents a wrapped fs.Fs
@@ -420,8 +396,6 @@ type putFn func(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ..

 // put implements Put or PutStream
 func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options []fs.OpenOption, put putFn) (fs.Object, error) {
-	ci := fs.GetConfig(ctx)
-
 	if f.opt.NoDataEncryption {
 		o, err := put(ctx, in, f.newObjectInfo(src, nonce{}), options...)
 		if err == nil && o != nil {
@@ -439,9 +413,6 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options [
 	// Find a hash the destination supports to compute a hash of
 	// the encrypted data
 	ht := f.Fs.Hashes().GetOne()
-	if ci.IgnoreChecksum {
-		ht = hash.None
-	}
 	var hasher *hash.MultiHasher
 	if ht != hash.None {
 		hasher, err = hash.NewMultiHasherTypes(hash.NewHashSet(ht))
@@ -478,7 +449,7 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options [
 				if err != nil {
 					fs.Errorf(o, "Failed to remove corrupted object: %v", err)
 				}
-				return nil, fmt.Errorf("corrupted on transfer: %v encrypted hash differ src %q vs dst %q", ht, srcHash, dstHash)
+				return nil, fmt.Errorf("corrupted on transfer: %v crypted hash differ src %q vs dst %q", ht, srcHash, dstHash)
 			}
 			fs.Debugf(src, "%v = %s OK", ht, srcHash)
 		}
@@ -536,9 +507,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -561,9 +532,9 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1076,11 +1047,10 @@ func (o *ObjectInfo) Hash(ctx context.Context, hash hash.Type) (string, error) {
 	// Get the underlying object if there is one
 	if srcObj, ok = o.ObjectInfo.(fs.Object); ok {
 		// Prefer direct interface assertion
-	} else if do, ok := o.ObjectInfo.(*fs.OverrideRemote); ok {
-		// Unwrap if it is an operations.OverrideRemote
+	} else if do, ok := o.ObjectInfo.(fs.ObjectUnWrapper); ok {
+		// Otherwise likely is an operations.OverrideRemote
 		srcObj = do.UnWrap()
 	} else {
-		// Otherwise don't unwrap any further
 		return "", nil
 	}
 	// if this is wrapping a local object then we work out the hash
--- a/backend/crypt/crypt_internal_test.go
+++ b/backend/crypt/crypt_internal_test.go
@@ -17,28 +17,41 @@ import (
 	"github.com/stretchr/testify/require"
 )

+type testWrapper struct {
+	fs.ObjectInfo
+}
+
+// UnWrap returns the Object that this Object is wrapping or nil if it
+// isn't wrapping anything
+func (o testWrapper) UnWrap() fs.Object {
+	if o, ok := o.ObjectInfo.(fs.Object); ok {
+		return o
+	}
+	return nil
+}
+
 // Create a temporary local fs to upload things from

-func makeTempLocalFs(t *testing.T) (localFs fs.Fs) {
+func makeTempLocalFs(t *testing.T) (localFs fs.Fs, cleanup func()) {
 	localFs, err := fs.TemporaryLocalFs(context.Background())
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	cleanup = func() {
 		require.NoError(t, localFs.Rmdir(context.Background(), ""))
-	})
-	return localFs
+	}
+	return localFs, cleanup
 }

 // Upload a file to a remote
-func uploadFile(t *testing.T, f fs.Fs, remote, contents string) (obj fs.Object) {
+func uploadFile(t *testing.T, f fs.Fs, remote, contents string) (obj fs.Object, cleanup func()) {
 	inBuf := bytes.NewBufferString(contents)
 	t1 := time.Date(2012, time.December, 17, 18, 32, 31, 0, time.UTC)
 	upSrc := object.NewStaticObjectInfo(remote, t1, int64(len(contents)), true, nil, nil)
 	obj, err := f.Put(context.Background(), inBuf, upSrc)
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	cleanup = func() {
 		require.NoError(t, obj.Remove(context.Background()))
-	})
-	return obj
+	}
+	return obj, cleanup
 }

 // Test the ObjectInfo
@@ -52,9 +65,11 @@ func testObjectInfo(t *testing.T, f *Fs, wrap bool) {
 		path = "_wrap"
 	}

-	localFs := makeTempLocalFs(t)
+	localFs, cleanupLocalFs := makeTempLocalFs(t)
+	defer cleanupLocalFs()

-	obj := uploadFile(t, localFs, path, contents)
+	obj, cleanupObj := uploadFile(t, localFs, path, contents)
+	defer cleanupObj()

 	// encrypt the data
 	inBuf := bytes.NewBufferString(contents)
@@ -68,7 +83,7 @@ func testObjectInfo(t *testing.T, f *Fs, wrap bool) {
 	var oi fs.ObjectInfo = obj
 	if wrap {
 		// wrap the object in an fs.ObjectUnwrapper if required
-		oi = fs.NewOverrideRemote(oi, "new_remote")
+		oi = testWrapper{oi}
 	}

 	// wrap the object in a crypt for upload using the nonce we
@@ -101,13 +116,16 @@ func testComputeHash(t *testing.T, f *Fs) {
 		t.Skipf("%v: does not support hashes", f.Fs)
 	}

-	localFs := makeTempLocalFs(t)
+	localFs, cleanupLocalFs := makeTempLocalFs(t)
+	defer cleanupLocalFs()

 	// Upload a file to localFs as a test object
-	localObj := uploadFile(t, localFs, path, contents)
+	localObj, cleanupLocalObj := uploadFile(t, localFs, path, contents)
+	defer cleanupLocalObj()

 	// Upload the same data to the remote Fs also
-	remoteObj := uploadFile(t, f, path, contents)
+	remoteObj, cleanupRemoteObj := uploadFile(t, f, path, contents)
+	defer cleanupRemoteObj()

 	// Calculate the expected Hash of the remote object
 	computedHash, err := f.ComputeHash(ctx, remoteObj.(*Object), localObj, hashType)
--- a/backend/drive/drive.go
+++ b/backend/drive/drive.go
@@ -14,10 +14,11 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"mime"
 	"net/http"
-	"os"
 	"path"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -202,7 +203,7 @@ func init() {
 					m.Set("root_folder_id", "appDataFolder")
 				}

-				if opt.ServiceAccountFile == "" && opt.ServiceAccountCredentials == "" && !opt.EnvAuth {
+				if opt.ServiceAccountFile == "" && opt.ServiceAccountCredentials == "" {
 					return oauthutil.ConfigOut("teamdrive", &oauthutil.Options{
 						OAuth2Config: driveConfig,
 					})
@@ -451,11 +452,7 @@ If downloading a file returns the error "This file has been identified
 as malware or spam and cannot be downloaded" with the error code
 "cannotDownloadAbusiveFile" then supply this flag to rclone to
 indicate you acknowledge the risks of downloading the file and rclone
-will download it anyway.
-
-Note that if you are using service account it will need Manager
-permission (not Content Manager) to for this flag to work. If the SA
-does not have the right permission, Google will just ignore the flag.`,
+will download it anyway.`,
 			Advanced: true,
 		}, {
 			Name:     "keep_revision_forever",
@@ -499,9 +496,7 @@ need to use --ignore size also.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different drive configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different drive configs.

 This can be useful if you wish to do a server-side copy between two
 different Google drives.  Note that this isn't enabled by default
@@ -600,18 +595,6 @@ resource key is no needed.
 			// Encode invalid UTF-8 bytes as json doesn't handle them properly.
 			// Don't encode / as it's a valid name character in drive.
 			Default: encoder.EncodeInvalidUtf8,
-		}, {
-			Name:     "env_auth",
-			Help:     "Get IAM credentials from runtime (environment variables or instance meta data if no env vars).\n\nOnly applies if service_account_file and service_account_credentials is blank.",
-			Default:  false,
-			Advanced: true,
-			Examples: []fs.OptionExample{{
-				Value: "false",
-				Help:  "Enter credentials in the next step.",
-			}, {
-				Value: "true",
-				Help:  "Get GCP IAM credentials from the environment (env vars or IAM).",
-			}},
 		}}...),
 	})

@@ -668,7 +651,6 @@ type Options struct {
 	SkipDanglingShortcuts     bool                 `config:"skip_dangling_shortcuts"`
 	ResourceKey               string               `config:"resource_key"`
 	Enc                       encoder.MultiEncoder `config:"encoding"`
-	EnvAuth                   bool                 `config:"env_auth"`
 }

 // Fs represents a remote drive server
@@ -776,7 +758,7 @@ func (f *Fs) shouldRetry(ctx context.Context, err error) (bool, error) {
 			} else if f.opt.StopOnDownloadLimit && reason == "downloadQuotaExceeded" {
 				fs.Errorf(f, "Received download limit error: %v", err)
 				return false, fserrors.FatalError(err)
-			} else if f.opt.StopOnUploadLimit && (reason == "quotaExceeded" || reason == "storageQuotaExceeded") {
+			} else if f.opt.StopOnUploadLimit && reason == "quotaExceeded" {
 				fs.Errorf(f, "Received upload limit error: %v", err)
 				return false, fserrors.FatalError(err)
 			} else if f.opt.StopOnUploadLimit && reason == "teamDriveFileLimitExceeded" {
@@ -1126,7 +1108,7 @@ func createOAuthClient(ctx context.Context, opt *Options, name string, m configm

 	// try loading service account credentials from env variable, then from a file
 	if len(opt.ServiceAccountCredentials) == 0 && opt.ServiceAccountFile != "" {
-		loadedCreds, err := os.ReadFile(env.ShellExpand(opt.ServiceAccountFile))
+		loadedCreds, err := ioutil.ReadFile(env.ShellExpand(opt.ServiceAccountFile))
 		if err != nil {
 			return nil, fmt.Errorf("error opening service account credentials file: %w", err)
 		}
@@ -1137,12 +1119,6 @@ func createOAuthClient(ctx context.Context, opt *Options, name string, m configm
 		if err != nil {
 			return nil, fmt.Errorf("failed to create oauth client from service account: %w", err)
 		}
-	} else if opt.EnvAuth {
-		scopes := driveScopes(opt.Scope)
-		oAuthClient, err = google.DefaultClient(ctx, scopes...)
-		if err != nil {
-			return nil, fmt.Errorf("failed to create client from environment: %w", err)
-		}
 	} else {
 		oAuthClient, _, err = oauthutil.NewClientWithBaseClient(ctx, name, m, driveConfig, getClient(ctx, opt))
 		if err != nil {
@@ -1234,7 +1210,6 @@ func newFs(ctx context.Context, name, path string, m configmap.Mapper) (*Fs, err
 		WriteMimeType:           true,
 		CanHaveEmptyDirectories: true,
 		ServerSideAcrossConfigs: opt.ServerSideAcrossConfigs,
-		FilterAware:             true,
 	}).Fill(ctx, f)

 	// Create a new authorized Drive client.
@@ -1514,9 +1489,6 @@ func (f *Fs) newObjectWithExportInfo(
 // NewObject finds the Object at remote.  If it can't be found
 // it returns the error fs.ErrorObjectNotFound.
 func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
-	if strings.HasSuffix(remote, "/") {
-		return nil, fs.ErrorIsDir
-	}
 	info, extension, exportName, exportMimeType, isDocument, err := f.getRemoteInfoWithExport(ctx, remote)
 	if err != nil {
 		return nil, err
@@ -2208,7 +2180,7 @@ func (f *Fs) createFileInfo(ctx context.Context, remote string, modTime time.Tim

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -2442,9 +2414,9 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -2677,9 +2649,9 @@ func (f *Fs) About(ctx context.Context) (*fs.Usage, error) {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -2904,7 +2876,6 @@ func (f *Fs) changeNotifyRunner(ctx context.Context, notifyFunc func(string, fs.
 			if f.rootFolderID == "appDataFolder" {
 				changesCall.Spaces("appDataFolder")
 			}
-			changesCall.RestrictToMyDrive(!f.opt.SharedWithMe)
 			changeList, err = changesCall.Context(ctx).Do()
 			return f.shouldRetry(ctx, err)
 		})
@@ -3334,7 +3305,7 @@ drives found and a combined drive.
    upstreams = "My Drive=My Drive:" "Test Drive=Test Drive:"

 Adding this to the rclone config file will cause those team drives to
-be accessible with the aliases shown. Any illegal characters will be
+be accessible with the aliases shown. Any illegal charactes will be
 substituted with "_" and duplicate names will have numbers suffixed.
 It will also add a remote called AllDrives which shows all the shared
 drives combined into one directory tree.
@@ -3351,9 +3322,9 @@ This takes an optional directory to trash which make this easier to
 use via the API.

    rclone backend untrash drive:directory
-    rclone backend --interactive untrash drive:directory subdir
+    rclone backend -i untrash drive:directory subdir

-Use the --interactive/-i or --dry-run flag to see what would be restored before restoring it.
+Use the -i flag to see what would be restored before restoring it.

 Result:

@@ -3383,7 +3354,7 @@ component will be used as the file name.
 If the destination is a drive backend then server-side copying will be
 attempted if possible.

-Use the --interactive/-i or --dry-run flag to see what would be copied before copying.
+Use the -i flag to see what would be copied before copying.
 `,
 }, {
 	Name:  "exportformats",
@@ -3459,12 +3430,13 @@ func (f *Fs) Command(ctx context.Context, name string, arg []string, opt map[str
 		if err != nil {
 			return nil, err
 		}
+		re := regexp.MustCompile(`[^\w_. -]+`)
 		if _, ok := opt["config"]; ok {
 			lines := []string{}
 			upstreams := []string{}
 			names := make(map[string]struct{}, len(drives))
 			for i, drive := range drives {
-				name := fspath.MakeConfigName(drive.Name)
+				name := re.ReplaceAllString(drive.Name, "_")
 				for {
 					if _, found := names[name]; !found {
 						break
@@ -3597,6 +3569,7 @@ func (f *Fs) getRemoteInfoWithExport(ctx context.Context, remote string) (

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *baseObject) ModTime(ctx context.Context) time.Time {
@@ -3827,7 +3800,7 @@ func (o *linkObject) Open(ctx context.Context, options ...fs.OpenOption) (in io.
 		data = data[:limit]
 	}

-	return io.NopCloser(bytes.NewReader(data)), nil
+	return ioutil.NopCloser(bytes.NewReader(data)), nil
 }

 func (o *baseObject) update(ctx context.Context, updateInfo *drive.File, uploadMimeType string, in io.Reader,
@@ -3853,7 +3826,7 @@ func (o *baseObject) update(ctx context.Context, updateInfo *drive.File, uploadM

 // Update the already existing object
 //
-// Copy the reader into the object updating modTime and size.
+// Copy the reader into the object updating modTime and size
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
@@ -3886,7 +3859,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	newO, err := o.fs.newObjectWithInfo(ctx, o.remote, info)
+	newO, err := o.fs.newObjectWithInfo(ctx, src.Remote(), info)
 	if err != nil {
 		return err
 	}
--- a/backend/drive/drive_internal_test.go
+++ b/backend/drive/drive_internal_test.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"mime"
 	"os"
 	"path"
@@ -77,7 +78,7 @@ var additionalMimeTypes = map[string]string{
 // Load the example export formats into exportFormats for testing
 func TestInternalLoadExampleFormats(t *testing.T) {
 	fetchFormatsOnce.Do(func() {})
-	buf, err := os.ReadFile(filepath.FromSlash("test/about.json"))
+	buf, err := ioutil.ReadFile(filepath.FromSlash("test/about.json"))
 	var about struct {
 		ExportFormats map[string][]string `json:"exportFormats,omitempty"`
 		ImportFormats map[string][]string `json:"importFormats,omitempty"`
@@ -243,15 +244,6 @@ func (f *Fs) InternalTestShouldRetry(t *testing.T) {
 	quotaExceededRetry, quotaExceededError := f.shouldRetry(ctx, &generic403)
 	assert.False(t, quotaExceededRetry)
 	assert.Equal(t, quotaExceededError, expectedQuotaError)
-
-	sqEItem := googleapi.ErrorItem{
-		Reason: "storageQuotaExceeded",
-	}
-	generic403.Errors[0] = sqEItem
-	expectedStorageQuotaError := fserrors.FatalError(&generic403)
-	storageQuotaExceededRetry, storageQuotaExceededError := f.shouldRetry(ctx, &generic403)
-	assert.False(t, storageQuotaExceededRetry)
-	assert.Equal(t, storageQuotaExceededError, expectedStorageQuotaError)
 }

 func (f *Fs) InternalTestDocumentImport(t *testing.T) {
@@ -526,9 +518,6 @@ func (f *Fs) InternalTestCopyID(t *testing.T) {

 // TestIntegration/FsMkdir/FsPutFiles/Internal/AgeQuery
 func (f *Fs) InternalTestAgeQuery(t *testing.T) {
-	// Check set up for filtering
-	assert.True(t, f.Features().FilterAware)
-
 	opt := &filter.Opt{}
 	err := opt.MaxAge.Set("1h")
 	assert.NoError(t, err)
--- a/backend/dropbox/batcher.go
+++ b/backend/dropbox/batcher.go
@@ -13,6 +13,7 @@ import (
 	"sync"
 	"time"

+	"github.com/dropbox/dropbox-sdk-go-unofficial/v6/dropbox/async"
 	"github.com/dropbox/dropbox-sdk-go-unofficial/v6/dropbox/files"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/fserrors"
@@ -139,12 +140,55 @@ func (b *batcher) finishBatch(ctx context.Context, items []*files.UploadSessionF
 	return complete, nil
 }

+// finishBatchJobStatus waits for the batch to complete returning completed entries
+func (b *batcher) finishBatchJobStatus(ctx context.Context, launchBatchStatus *files.UploadSessionFinishBatchLaunch) (complete *files.UploadSessionFinishBatchResult, err error) {
+	if launchBatchStatus.AsyncJobId == "" {
+		return nil, errors.New("wait for batch completion: empty job ID")
+	}
+	var batchStatus *files.UploadSessionFinishBatchJobStatus
+	sleepTime := 100 * time.Millisecond
+	const maxSleepTime = 1 * time.Second
+	startTime := time.Now()
+	try := 1
+	for {
+		remaining := time.Duration(b.f.opt.BatchCommitTimeout) - time.Since(startTime)
+		if remaining < 0 {
+			break
+		}
+		err = b.f.pacer.Call(func() (bool, error) {
+			batchStatus, err = b.f.srv.UploadSessionFinishBatchCheck(&async.PollArg{
+				AsyncJobId: launchBatchStatus.AsyncJobId,
+			})
+			return shouldRetry(ctx, err)
+		})
+		if err != nil {
+			fs.Debugf(b.f, "Wait for batch: sleeping for %v after error: %v: try %d remaining %v", sleepTime, err, try, remaining)
+		} else {
+			if batchStatus.Tag == "complete" {
+				fs.Debugf(b.f, "Upload batch completed in %v", time.Since(startTime))
+				return batchStatus.Complete, nil
+			}
+			fs.Debugf(b.f, "Wait for batch: sleeping for %v after status: %q: try %d remaining %v", sleepTime, batchStatus.Tag, try, remaining)
+		}
+		time.Sleep(sleepTime)
+		sleepTime *= 2
+		if sleepTime > maxSleepTime {
+			sleepTime = maxSleepTime
+		}
+		try++
+	}
+	if err == nil {
+		err = errors.New("batch didn't complete")
+	}
+	return nil, fmt.Errorf("wait for batch failed after %d tries in %v: %w", try, time.Since(startTime), err)
+}
+
 // commit a batch
 func (b *batcher) commitBatch(ctx context.Context, items []*files.UploadSessionFinishArg, results []chan<- batcherResponse) (err error) {
 	// If commit fails then signal clients if sync
 	var signalled = b.async
 	defer func() {
-		if err != nil && !signalled {
+		if err != nil && signalled {
 			// Signal to clients that there was an error
 			for _, result := range results {
 				result <- batcherResponse{err: err}
@@ -265,7 +309,7 @@ func (b *batcher) Shutdown() {
 	}
 	b.shutOnce.Do(func() {
 		atexit.Unregister(b.atexit)
-		fs.Infof(b.f, "Committing uploads - please wait...")
+		fs.Infof(b.f, "Commiting uploads - please wait...")
 		// show that batcher is shutting down
 		close(b.closed)
 		// quit the commitLoop by sending a quitRequest message
--- a/backend/dropbox/dropbox.go
+++ b/backend/dropbox/dropbox.go
@@ -58,7 +58,7 @@ import (
 const (
 	rcloneClientID              = "5jcck7diasz0rqy"
 	rcloneEncryptedClientSecret = "fRS5vVLr2v6FbyXYnIgjwBuUAt0osq_QZTXAEcmZ7g"
-	defaultMinSleep             = fs.Duration(10 * time.Millisecond)
+	minSleep                    = 10 * time.Millisecond
 	maxSleep                    = 2 * time.Second
 	decayConstant               = 2 // bigger for slower decay, exponential
 	// Upload chunk size - setting too small makes uploads slow.
@@ -260,22 +260,17 @@ uploaded.
 The default for this is 0 which means rclone will choose a sensible
 default based on the batch_mode in use.

- batch_mode: async - default batch_timeout is 10s
- batch_mode: sync - default batch_timeout is 500ms
+- batch_mode: async - default batch_timeout is 500ms
+- batch_mode: sync - default batch_timeout is 10s
 - batch_mode: off - not in use
 `,
 			Default:  fs.Duration(0),
 			Advanced: true,
 		}, {
 			Name:     "batch_commit_timeout",
-			Help:     `Max time to wait for a batch to finish committing`,
+			Help:     `Max time to wait for a batch to finish comitting`,
 			Default:  fs.Duration(10 * time.Minute),
 			Advanced: true,
-		}, {
-			Name:     "pacer_min_sleep",
-			Default:  defaultMinSleep,
-			Help:     "Minimum time to sleep between API calls.",
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -304,7 +299,6 @@ type Options struct {
 	BatchTimeout       fs.Duration          `config:"batch_timeout"`
 	BatchCommitTimeout fs.Duration          `config:"batch_commit_timeout"`
 	AsyncBatch         bool                 `config:"async_batch"`
-	PacerMinSleep      fs.Duration          `config:"pacer_min_sleep"`
 	Enc                encoder.MultiEncoder `config:"encoding"`
 }

@@ -448,7 +442,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		name:  name,
 		opt:   *opt,
 		ci:    ci,
-		pacer: fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(opt.PacerMinSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
+		pacer: fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 	}
 	f.batcher, err = newBatcher(ctx, f, f.opt.BatchMode, f.opt.BatchSize, time.Duration(f.opt.BatchTimeout))
 	if err != nil {
@@ -542,7 +536,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			default:
 				return nil, err
 			}
-			// if the mount failed we have to abort here
+			// if the moint failed we have to abort here
 		}
 		// if the mount succeeded it's now a normal folder in the users root namespace
 		// we disable shared folder mode and proceed normally
@@ -725,7 +719,7 @@ func (f *Fs) listSharedFolders(ctx context.Context) (entries fs.DirEntries, err
 		}
 		for _, entry := range res.Entries {
 			leaf := f.opt.Enc.ToStandardName(entry.Name)
-			d := fs.NewDir(leaf, time.Time{}).SetID(entry.SharedFolderId)
+			d := fs.NewDir(leaf, time.Now()).SetID(entry.SharedFolderId)
 			entries = append(entries, d)
 			if err != nil {
 				return nil, err
@@ -912,7 +906,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 			leaf := f.opt.Enc.ToStandardName(path.Base(entryPath))
 			remote := path.Join(dir, leaf)
 			if folderInfo != nil {
-				d := fs.NewDir(remote, time.Time{}).SetID(folderInfo.Id)
+				d := fs.NewDir(remote, time.Now()).SetID(folderInfo.Id)
 				entries = append(entries, d)
 			} else if fileInfo != nil {
 				o, err := f.newObjectWithInfo(ctx, remote, fileInfo)
@@ -931,7 +925,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -1050,9 +1044,9 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1111,9 +1105,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) (err error) {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1675,7 +1669,7 @@ func (o *Object) uploadChunked(ctx context.Context, in0 io.Reader, commitInfo *f
 						correctOffset := uErr.EndpointError.IncorrectOffset.CorrectOffset
 						delta := int64(correctOffset) - int64(cursor.Offset)
 						skip += delta
-						what := fmt.Sprintf("incorrect offset error received: sent %d, need %d, skip %d", cursor.Offset, correctOffset, skip)
+						what := fmt.Sprintf("incorrect offset error receved: sent %d, need %d, skip %d", cursor.Offset, correctOffset, skip)
 						if skip < 0 {
 							return false, fmt.Errorf("can't seek backwards to correct offset: %s", what)
 						} else if skip == chunkSize {
@@ -1769,7 +1763,7 @@ func checkPathLength(name string) (err error) {

 // Update the already existing object
 //
-// Copy the reader into the object updating modTime and size.
+// Copy the reader into the object updating modTime and size
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
--- a/backend/fichier/api.go
+++ b/backend/fichier/api.go
@@ -118,9 +118,6 @@ func (f *Fs) getDownloadToken(ctx context.Context, url string) (*GetTokenRespons
 		Single: 1,
 		Pass:   f.opt.FilePassword,
 	}
-	if f.opt.CDN {
-		request.CDN = 1
-	}
 	opts := rest.Opts{
 		Method: "POST",
 		Path:   "/download/get_token.cgi",
@@ -476,7 +473,7 @@ func (f *Fs) getUploadNode(ctx context.Context) (response *GetUploadNodeResponse
 		return shouldRetry(ctx, resp, err)
 	})
 	if err != nil {
-		return nil, fmt.Errorf("didn't get an upload node: %w", err)
+		return nil, fmt.Errorf("didnt got an upload node: %w", err)
 	}

 	// fs.Debugf(f, "Got Upload node")
--- a/backend/fichier/fichier.go
+++ b/backend/fichier/fichier.go
@@ -1,4 +1,3 @@
-// Package fichier provides an interface to the 1Fichier storage system.
 package fichier

 import (
@@ -54,11 +53,6 @@ func init() {
 			Name:       "folder_password",
 			Advanced:   true,
 			IsPassword: true,
-		}, {
-			Help:     "Set if you wish to use CDN download links.",
-			Name:     "cdn",
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -94,7 +88,6 @@ type Options struct {
 	SharedFolder   string               `config:"shared_folder"`
 	FilePassword   string               `config:"file_password"`
 	FolderPassword string               `config:"folder_password"`
-	CDN            bool                 `config:"cdn"`
 	Enc            encoder.MultiEncoder `config:"encoding"`
 }

@@ -339,7 +332,7 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .
 // checking to see if there is one already - use Put() for that.
 func (f *Fs) putUnchecked(ctx context.Context, in io.Reader, remote string, size int64, options ...fs.OpenOption) (fs.Object, error) {
 	if size > int64(300e9) {
-		return nil, errors.New("File too big, can't upload")
+		return nil, errors.New("File too big, cant upload")
 	} else if size == 0 {
 		return nil, fs.ErrorCantUploadEmptyFiles
 	}
--- a/backend/fichier/structs.go
+++ b/backend/fichier/structs.go
@@ -20,7 +20,6 @@ type DownloadRequest struct {
 	URL    string `json:"url"`
 	Single int    `json:"single"`
 	Pass   string `json:"pass,omitempty"`
-	CDN    int    `json:"cdn,omitempty"`
 }

 // RemoveFolderRequest is the request structure of the corresponding request
@@ -85,7 +84,7 @@ type CopyFileResponse struct {
 	URLs    []FileCopy `json:"urls"`
 }

-// FileCopy is used in the CopyFileResponse
+// FileCopy is used in the the CopyFileResponse
 type FileCopy struct {
 	FromURL string `json:"from_url"`
 	ToURL   string `json:"to_url"`
--- a/backend/filefabric/api/types.go
+++ b/backend/filefabric/api/types.go
@@ -19,7 +19,7 @@ const (
 	timeFormatJSON = `"` + timeFormatParameters + `"`
 )

-// Time represents date and time information for the
+// Time represents represents date and time information for the
 // filefabric API
 type Time time.Time

@@ -95,7 +95,7 @@ type Status struct {
 	// Warning string `json:"warning"` // obsolete
 }

-// Status satisfies the error interface
+// Status statisfies the error interface
 func (e *Status) Error() string {
 	return fmt.Sprintf("%s (%s)", e.Message, e.Code)
 }
--- a/backend/filefabric/filefabric.go
+++ b/backend/filefabric/filefabric.go
@@ -20,6 +20,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"net/url"
 	"path"
@@ -149,7 +150,7 @@ type Fs struct {
 	opt             Options            // parsed options
 	features        *fs.Features       // optional features
 	m               configmap.Mapper   // to save config
-	srv             *rest.Client       // the connection to the server
+	srv             *rest.Client       // the connection to the one drive server
 	dirCache        *dircache.DirCache // Map of directory path to directory id
 	pacer           *fs.Pacer          // pacer for API calls
 	tokenMu         sync.Mutex         // hold when reading the token
@@ -372,7 +373,7 @@ type params map[string]interface{}

 // rpc calls the rpc.php method of the SME file fabric
 //
-// This is an entry point to all the method calls.
+// This is an entry point to all the method calls
 //
 // If result is nil then resp.Body will need closing
 func (f *Fs) rpc(ctx context.Context, function string, p params, result api.OKError, options []fs.OpenOption) (resp *http.Response, err error) {
@@ -677,7 +678,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 // Creates from the parameters passed in a half finished Object which
 // must have setMetaData called on it
 //
-// Returns the object, leaf, directoryID and error.
+// Returns the object, leaf, directoryID and error
 //
 // Used to create new objects
 func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time, size int64) (o *Object, leaf string, directoryID string, err error) {
@@ -696,7 +697,7 @@ func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time,

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -782,9 +783,9 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -842,7 +843,7 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {
 	return f.purgeCheck(ctx, dir, false)
 }

-// Wait for the background task to complete if necessary
+// Wait for the the background task to complete if necessary
 func (f *Fs) waitForBackgroundTask(ctx context.Context, taskID api.String) (err error) {
 	if taskID == "" || taskID == "0" {
 		// No task to wait for
@@ -955,9 +956,9 @@ func (f *Fs) move(ctx context.Context, isDir bool, id, oldLeaf, newLeaf, oldDire

 // Move src to this remote using server side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1134,6 +1135,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
@@ -1185,7 +1187,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 		return nil, errors.New("can't download - no id")
 	}
 	if o.contentType == emptyMimeType {
-		return io.NopCloser(bytes.NewReader([]byte{})), nil
+		return ioutil.NopCloser(bytes.NewReader([]byte{})), nil
 	}
 	fs.FixRangeOption(options, o.size)
 	resp, err := o.fs.rpc(ctx, "getFile", params{
@@ -1199,7 +1201,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read

 // Update the object with the contents of the io.Reader, modTime and size
 //
-// If existing is set then it updates the object rather than creating a new one.
+// If existing is set then it updates the object rather than creating a new one
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
--- a/backend/ftp/ftp.go
+++ b/backend/ftp/ftp.go
@@ -15,7 +15,7 @@ import (
 	"sync"
 	"time"

-	"github.com/rclone/ftp"
+	"github.com/jlaffaye/ftp"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/accounting"
 	"github.com/rclone/rclone/fs/config"
@@ -70,7 +70,7 @@ func init() {
 When using implicit FTP over TLS the client connects using TLS
 right from the start which breaks compatibility with
 non-TLS-aware servers. This is usually served over port 990 rather
-than port 21. Cannot be used in combination with explicit FTPS.`,
+than port 21. Cannot be used in combination with explicit FTP.`,
 			Default: false,
 		}, {
 			Name: "explicit_tls",
@@ -78,25 +78,11 @@ than port 21. Cannot be used in combination with explicit FTPS.`,

 When using explicit FTP over TLS the client explicitly requests
 security from the server in order to upgrade a plain text connection
-to an encrypted one. Cannot be used in combination with implicit FTPS.`,
+to an encrypted one. Cannot be used in combination with implicit FTP.`,
 			Default: false,
 		}, {
-			Name: "concurrency",
-			Help: strings.Replace(`Maximum number of FTP simultaneous connections, 0 for unlimited.
-
-Note that setting this is very likely to cause deadlocks so it should
-be used with care.
-
-If you are doing a sync or copy then make sure concurrency is one more
-than the sum of |--transfers| and |--checkers|.
-
-If you use |--check-first| then it just needs to be one more than the
-maximum of |--checkers| and |--transfers|.
-
-So for |concurrency 3| you'd use |--checkers 2 --transfers 2
--check-first| or |--checkers 1 --transfers 1|.
-
-`, "|", "`", -1),
+			Name:     "concurrency",
+			Help:     "Maximum number of FTP simultaneous connections, 0 for unlimited.",
 			Default:  0,
 			Advanced: true,
 		}, {
@@ -124,11 +110,6 @@ So for |concurrency 3| you'd use |--checkers 2 --transfers 2
 			Help:     "Use MDTM to set modification time (VsFtpd quirk)",
 			Default:  false,
 			Advanced: true,
-		}, {
-			Name:     "force_list_hidden",
-			Help:     "Use LIST -a to force listing of hidden files and folders. This will disable the use of MLSD.",
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name:    "idle_timeout",
 			Default: fs.Duration(60 * time.Second),
@@ -210,7 +191,6 @@ type Options struct {
 	DisableMLSD       bool                 `config:"disable_mlsd"`
 	DisableUTF8       bool                 `config:"disable_utf8"`
 	WritingMDTM       bool                 `config:"writing_mdtm"`
-	ForceListHidden   bool                 `config:"force_list_hidden"`
 	IdleTimeout       fs.Duration          `config:"idle_timeout"`
 	CloseTimeout      fs.Duration          `config:"close_timeout"`
 	ShutTimeout       fs.Duration          `config:"shut_timeout"`
@@ -315,33 +295,18 @@ func (dl *debugLog) Write(p []byte) (n int, err error) {
 	return len(p), nil
 }

-// Return a *textproto.Error if err contains one or nil otherwise
-func textprotoError(err error) (errX *textproto.Error) {
-	if errors.As(err, &errX) {
-		return errX
-	}
-	return nil
-}
-
-// returns true if this FTP error should be retried
-func isRetriableFtpError(err error) bool {
-	if errX := textprotoError(err); errX != nil {
-		switch errX.Code {
-		case ftp.StatusNotAvailable, ftp.StatusTransfertAborted:
-			return true
-		}
-	}
-	return false
-}
-
 // shouldRetry returns a boolean as to whether this err deserve to be
 // retried.  It returns the err as a convenience
 func shouldRetry(ctx context.Context, err error) (bool, error) {
 	if fserrors.ContextError(ctx, &err) {
 		return false, err
 	}
-	if isRetriableFtpError(err) {
-		return true, err
+	switch errX := err.(type) {
+	case *textproto.Error:
+		switch errX.Code {
+		case ftp.StatusNotAvailable:
+			return true, err
+		}
 	}
 	return fserrors.ShouldRetry(err), err
 }
@@ -351,44 +316,14 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 	fs.Debugf(f, "Connecting to FTP server")

 	// Make ftp library dial with fshttp dialer optionally using TLS
-	initialConnection := true
 	dial := func(network, address string) (conn net.Conn, err error) {
-		fs.Debugf(f, "dial(%q,%q)", network, address)
-		defer func() {
-			fs.Debugf(f, "> dial: conn=%T, err=%v", conn, err)
-		}()
 		conn, err = fshttp.NewDialer(ctx).Dial(network, address)
-		if err != nil {
-			return nil, err
+		if f.tlsConf != nil && err == nil {
+			conn = tls.Client(conn, f.tlsConf)
 		}
-		// Connect using cleartext only for non TLS
-		if f.tlsConf == nil {
-			return conn, nil
-		}
-		// Initial connection only needs to be cleartext for explicit TLS
-		if f.opt.ExplicitTLS && initialConnection {
-			initialConnection = false
-			return conn, nil
-		}
-		// Upgrade connection to TLS
-		tlsConn := tls.Client(conn, f.tlsConf)
-		// Do the initial handshake - tls.Client doesn't do it for us
-		// If we do this then connections to proftpd/pureftpd lock up
-		// See: https://github.com/rclone/rclone/issues/6426
-		// See: https://github.com/jlaffaye/ftp/issues/282
-		if false {
-			err = tlsConn.HandshakeContext(ctx)
-			if err != nil {
-				_ = conn.Close()
-				return nil, err
-			}
-		}
-		return tlsConn, nil
-	}
-	ftpConfig := []ftp.DialOption{
-		ftp.DialWithContext(ctx),
-		ftp.DialWithDialFunc(dial),
+		return
 	}
+	ftpConfig := []ftp.DialOption{ftp.DialWithDialFunc(dial)}

 	if f.opt.TLS {
 		// Our dialer takes care of TLS but ftp library also needs tlsConf
@@ -396,6 +331,12 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 		ftpConfig = append(ftpConfig, ftp.DialWithTLS(f.tlsConf))
 	} else if f.opt.ExplicitTLS {
 		ftpConfig = append(ftpConfig, ftp.DialWithExplicitTLS(f.tlsConf))
+		// Initial connection needs to be cleartext for explicit TLS
+		conn, err := fshttp.NewDialer(ctx).Dial("tcp", f.dialAddr)
+		if err != nil {
+			return nil, err
+		}
+		ftpConfig = append(ftpConfig, ftp.DialWithNetConn(conn))
 	}
 	if f.opt.DisableEPSV {
 		ftpConfig = append(ftpConfig, ftp.DialWithDisabledEPSV(true))
@@ -412,9 +353,6 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 	if f.opt.WritingMDTM {
 		ftpConfig = append(ftpConfig, ftp.DialWithWritingMDTM(true))
 	}
-	if f.opt.ForceListHidden {
-		ftpConfig = append(ftpConfig, ftp.DialWithForceListHidden(true))
-	}
 	if f.ci.Dump&(fs.DumpHeaders|fs.DumpBodies|fs.DumpRequests|fs.DumpResponses) != 0 {
 		ftpConfig = append(ftpConfig, ftp.DialWithDebugOutput(&debugLog{auth: f.ci.Dump&fs.DumpAuth != 0}))
 	}
@@ -478,7 +416,8 @@ func (f *Fs) putFtpConnection(pc **ftp.ServerConn, err error) {
 	*pc = nil
 	if err != nil {
 		// If not a regular FTP error code then check the connection
-		if tpErr := textprotoError(err); tpErr != nil {
+		var tpErr *textproto.Error
+		if !errors.As(err, &tpErr) {
 			nopErr := c.NoOp()
 			if nopErr != nil {
 				fs.Debugf(f, "Connection failed, closing: %v", nopErr)
@@ -580,7 +519,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (ff fs.Fs
 	}
 	f.features = (&fs.Features{
 		CanHaveEmptyDirectories: true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	// set the pool drainer timer going
 	if f.opt.IdleTimeout > 0 {
@@ -628,7 +566,8 @@ func (f *Fs) Shutdown(ctx context.Context) error {

 // translateErrorFile turns FTP errors into rclone errors if possible for a file
 func translateErrorFile(err error) error {
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable, ftp.StatusFileActionIgnored:
 			err = fs.ErrorObjectNotFound
@@ -639,7 +578,8 @@ func translateErrorFile(err error) error {

 // translateErrorDir turns FTP errors into rclone errors if possible for a directory
 func translateErrorDir(err error) error {
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable, ftp.StatusFileActionIgnored:
 			err = fs.ErrorDirNotFound
@@ -670,7 +610,8 @@ func (f *Fs) dirFromStandardPath(dir string) string {
 // findItem finds a directory entry for the name in its parent directory
 func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err error) {
 	// defer fs.Trace(remote, "")("o=%v, err=%v", &o, &err)
-	if remote == "" || remote == "." || remote == "/" {
+	fullPath := path.Join(f.root, remote)
+	if fullPath == "" || fullPath == "." || fullPath == "/" {
 		// if root, assume exists and synthesize an entry
 		return &ftp.Entry{
 			Name: "",
@@ -678,38 +619,13 @@ func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err
 			Time: time.Now(),
 		}, nil
 	}
+	dir := path.Dir(fullPath)
+	base := path.Base(fullPath)

 	c, err := f.getFtpConnection(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("findItem: %w", err)
 	}
-
-	// returns TRUE if MLST is supported which is required to call GetEntry
-	if c.IsTimePreciseInList() {
-		entry, err := c.GetEntry(f.opt.Enc.FromStandardPath(remote))
-		f.putFtpConnection(&c, err)
-		if err != nil {
-			err = translateErrorFile(err)
-			if err == fs.ErrorObjectNotFound {
-				return nil, nil
-			}
-			if errX := textprotoError(err); errX != nil {
-				switch errX.Code {
-				case ftp.StatusBadArguments:
-					err = nil
-				}
-			}
-			return nil, err
-		}
-		if entry != nil {
-			f.entryToStandard(entry)
-		}
-		return entry, nil
-	}
-
-	dir := path.Dir(remote)
-	base := path.Base(remote)
-
 	files, err := c.List(f.dirFromStandardPath(dir))
 	f.putFtpConnection(&c, err)
 	if err != nil {
@@ -728,7 +644,7 @@ func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err
 // it returns the error fs.ErrorObjectNotFound.
 func (f *Fs) NewObject(ctx context.Context, remote string) (o fs.Object, err error) {
 	// defer fs.Trace(remote, "")("o=%v, err=%v", &o, &err)
-	entry, err := f.findItem(ctx, path.Join(f.root, remote))
+	entry, err := f.findItem(ctx, remote)
 	if err != nil {
 		return nil, err
 	}
@@ -750,7 +666,7 @@ func (f *Fs) NewObject(ctx context.Context, remote string) (o fs.Object, err err

 // dirExists checks the directory pointed to by remote exists or not
 func (f *Fs) dirExists(ctx context.Context, remote string) (exists bool, err error) {
-	entry, err := f.findItem(ctx, path.Join(f.root, remote))
+	entry, err := f.findItem(ctx, remote)
 	if err != nil {
 		return false, fmt.Errorf("dirExists: %w", err)
 	}
@@ -853,12 +769,11 @@ func (f *Fs) Hashes() hash.Set {

 // Precision shows whether modified time is supported or not depending on the
 // FTP server capabilities, namely whether FTP server:
-//   - accepts the MDTM command to get file time (fGetTime)
-//     or supports MLSD returning precise file time in the list (fLstTime)
-//   - accepts the MFMT command to set file time (fSetTime)
-//     or non-standard form of the MDTM command (fSetTime, too)
-//     used by VsFtpd for the same purpose (WritingMDTM)
-//
+// - accepts the MDTM command to get file time (fGetTime)
+//   or supports MLSD returning precise file time in the list (fLstTime)
+// - accepts the MFMT command to set file time (fSetTime)
+//   or non-standard form of the MDTM command (fSetTime, too)
+//   used by VsFtpd for the same purpose (WritingMDTM)
 // See "mdtm_write" in https://security.appspot.com/vsftpd/vsftpd_conf.html
 func (f *Fs) Precision() time.Duration {
 	if (f.fGetTime || f.fLstTime) && f.fSetTime {
@@ -894,18 +809,32 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 // getInfo reads the FileInfo for a path
 func (f *Fs) getInfo(ctx context.Context, remote string) (fi *FileInfo, err error) {
 	// defer fs.Trace(remote, "")("fi=%v, err=%v", &fi, &err)
-	file, err := f.findItem(ctx, remote)
+	dir := path.Dir(remote)
+	base := path.Base(remote)
+
+	c, err := f.getFtpConnection(ctx)
 	if err != nil {
-		return nil, err
-	} else if file != nil {
-		info := &FileInfo{
-			Name:    remote,
-			Size:    file.Size,
-			ModTime: file.Time,
-			precise: f.fLstTime,
-			IsDir:   file.Type == ftp.EntryTypeFolder,
+		return nil, fmt.Errorf("getInfo: %w", err)
+	}
+	files, err := c.List(f.dirFromStandardPath(dir))
+	f.putFtpConnection(&c, err)
+	if err != nil {
+		return nil, translateErrorFile(err)
+	}
+
+	for i := range files {
+		file := files[i]
+		f.entryToStandard(file)
+		if file.Name == base {
+			info := &FileInfo{
+				Name:    remote,
+				Size:    file.Size,
+				ModTime: file.Time,
+				precise: f.fLstTime,
+				IsDir:   file.Type == ftp.EntryTypeFolder,
+			}
+			return info, nil
 		}
-		return info, nil
 	}
 	return nil, fs.ErrorObjectNotFound
 }
@@ -936,7 +865,8 @@ func (f *Fs) mkdir(ctx context.Context, abspath string) error {
 	}
 	err = c.MakeDir(f.dirFromStandardPath(abspath))
 	f.putFtpConnection(&c, err)
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable: // dir already exists: see issue #2181
 			err = nil
@@ -1105,7 +1035,7 @@ func (o *Object) ModTime(ctx context.Context) time.Time {
 // SetModTime sets the modification time of the object
 func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
 	if !o.fs.fSetTime {
-		fs.Debugf(o.fs, "SetModTime is not supported")
+		fs.Errorf(o.fs, "SetModTime is not supported")
 		return nil
 	}
 	c, err := o.fs.getFtpConnection(ctx)
@@ -1177,7 +1107,8 @@ func (f *ftpReadCloser) Close() error {
 	// mask the error if it was caused by a premature close
 	// NB StatusAboutToSend is to work around a bug in pureftpd
 	// See: https://github.com/rclone/rclone/issues/3445#issuecomment-521654257
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusTransfertAborted, ftp.StatusFileUnavailable, ftp.StatusAboutToSend:
 			err = nil
@@ -1203,33 +1134,22 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (rc io.Read
 			}
 		}
 	}
-
-	var (
-		fd *ftp.Response
-		c  *ftp.ServerConn
-	)
-	err = o.fs.pacer.Call(func() (bool, error) {
-		c, err = o.fs.getFtpConnection(ctx)
-		if err != nil {
-			return false, err // getFtpConnection has retries already
-		}
-		fd, err = c.RetrFrom(o.fs.opt.Enc.FromStandardPath(path), uint64(offset))
-		if err != nil {
-			o.fs.putFtpConnection(&c, err)
-		}
-		return shouldRetry(ctx, err)
-	})
+	c, err := o.fs.getFtpConnection(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("open: %w", err)
 	}
-
+	fd, err := c.RetrFrom(o.fs.opt.Enc.FromStandardPath(path), uint64(offset))
+	if err != nil {
+		o.fs.putFtpConnection(&c, err)
+		return nil, fmt.Errorf("open: %w", err)
+	}
 	rc = &ftpReadCloser{rc: readers.NewLimitedReadCloser(fd, limit), c: c, f: o.fs}
 	return rc, nil
 }

 // Update the already existing object
 //
-// Copy the reader into the object updating modTime and size.
+// Copy the reader into the object updating modTime and size
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
@@ -1255,10 +1175,13 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	}
 	err = c.Stor(o.fs.opt.Enc.FromStandardPath(path), in)
 	// Ignore error 250 here - send by some servers
-	if errX := textprotoError(err); errX != nil {
-		switch errX.Code {
-		case ftp.StatusRequestedFileActionOK:
-			err = nil
+	if err != nil {
+		switch errX := err.(type) {
+		case *textproto.Error:
+			switch errX.Code {
+			case ftp.StatusRequestedFileActionOK:
+				err = nil
+			}
 		}
 	}
 	if err != nil {
--- a/backend/ftp/ftp_internal_test.go
+++ b/backend/ftp/ftp_internal_test.go
@@ -34,9 +34,9 @@ func deriveFs(ctx context.Context, t *testing.T, f fs.Fs, opts settings) fs.Fs {
 // test that big file uploads do not cause network i/o timeout
 func (f *Fs) testUploadTimeout(t *testing.T) {
 	const (
-		fileSize    = 100000000        // 100 MiB
-		idleTimeout = 1 * time.Second  // small because test server is local
-		maxTime     = 10 * time.Second // prevent test hangup
+		fileSize    = 100000000             // 100 MiB
+		idleTimeout = 40 * time.Millisecond // small because test server is local
+		maxTime     = 10 * time.Second      // prevent test hangup
 	)

 	if testing.Short() {
--- a/backend/googlecloudstorage/googlecloudstorage.go
+++ b/backend/googlecloudstorage/googlecloudstorage.go
@@ -19,8 +19,8 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
-	"os"
 	"path"
 	"strconv"
 	"strings"
@@ -82,8 +82,7 @@ func init() {
 			saFile, _ := m.Get("service_account_file")
 			saCreds, _ := m.Get("service_account_credentials")
 			anonymous, _ := m.Get("anonymous")
-			envAuth, _ := m.Get("env_auth")
-			if saFile != "" || saCreds != "" || anonymous == "true" || envAuth == "true" {
+			if saFile != "" || saCreds != "" || anonymous == "true" {
 				return nil, nil
 			}
 			return oauthutil.ConfigOut("", &oauthutil.Options{
@@ -93,9 +92,6 @@ func init() {
 		Options: append(oauthutil.SharedOptions, []fs.Option{{
 			Name: "project_number",
 			Help: "Project number.\n\nOptional - needed only for list/create/delete buckets - see your developer console.",
-		}, {
-			Name: "user_project",
-			Help: "User project.\n\nOptional - needed only for requester pays.",
 		}, {
 			Name: "service_account_file",
 			Help: "Service Account Credentials JSON file path.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login." + env.ShellExpandHelp,
@@ -301,15 +297,6 @@ Docs: https://cloud.google.com/storage/docs/bucket-policy-only
 				Value: "DURABLE_REDUCED_AVAILABILITY",
 				Help:  "Durable reduced availability storage class",
 			}},
-		}, {
-			Name:     "directory_markers",
-			Default:  false,
-			Advanced: true,
-			Help: `Upload an empty object with a trailing slash when a new directory is created
-
-Empty folders are unsupported for bucket based remotes, this option creates an empty
-object ending with "/", to persist the folder.
-`,
 		}, {
 			Name: "no_check_bucket",
 			Help: `If set, don't attempt to check the bucket exists or create it.
@@ -324,7 +311,7 @@ rclone does if you know the bucket exists already.
 			Help: `If set this will decompress gzip encoded objects.

 It is possible to upload objects to GCS with "Content-Encoding: gzip"
-set. Normally rclone will download these files as compressed objects.
+set. Normally rclone will download these files files as compressed objects.

 If this flag is set then rclone will decompress these files with
 "Content-Encoding: gzip" as they are received. This means that rclone
@@ -332,10 +319,6 @@ can't check the size and hash but the file contents will be decompressed.
 `,
 			Advanced: true,
 			Default:  false,
-		}, {
-			Name:     "endpoint",
-			Help:     "Endpoint for the service.\n\nLeave blank normally.",
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -343,17 +326,6 @@ can't check the size and hash but the file contents will be decompressed.
 			Default: (encoder.Base |
 				encoder.EncodeCrLf |
 				encoder.EncodeInvalidUtf8),
-		}, {
-			Name:    "env_auth",
-			Help:    "Get GCP IAM credentials from runtime (environment variables or instance meta data if no env vars).\n\nOnly applies if service_account_file and service_account_credentials is blank.",
-			Default: false,
-			Examples: []fs.OptionExample{{
-				Value: "false",
-				Help:  "Enter credentials in the next step.",
-			}, {
-				Value: "true",
-				Help:  "Get GCP IAM credentials from the environment (env vars or IAM).",
-			}},
 		}}...),
 	})
 }
@@ -361,7 +333,6 @@ can't check the size and hash but the file contents will be decompressed.
 // Options defines the configuration for this backend
 type Options struct {
 	ProjectNumber             string               `config:"project_number"`
-	UserProject               string               `config:"user_project"`
 	ServiceAccountFile        string               `config:"service_account_file"`
 	ServiceAccountCredentials string               `config:"service_account_credentials"`
 	Anonymous                 bool                 `config:"anonymous"`
@@ -372,10 +343,7 @@ type Options struct {
 	StorageClass              string               `config:"storage_class"`
 	NoCheckBucket             bool                 `config:"no_check_bucket"`
 	Decompress                bool                 `config:"decompress"`
-	Endpoint                  string               `config:"endpoint"`
 	Enc                       encoder.MultiEncoder `config:"encoding"`
-	EnvAuth                   bool                 `config:"env_auth"`
-	DirectoryMarkers          bool                 `config:"directory_markers"`
 }

 // Fs represents a remote storage server
@@ -471,7 +439,7 @@ func parsePath(path string) (root string) {
 // split returns bucket and bucketPath from the rootRelativePath
 // relative to f.root
 func (f *Fs) split(rootRelativePath string) (bucketName, bucketPath string) {
-	bucketName, bucketPath = bucket.Split(bucket.Join(f.root, rootRelativePath))
+	bucketName, bucketPath = bucket.Split(path.Join(f.root, rootRelativePath))
 	return f.opt.Enc.FromStandardName(bucketName), f.opt.Enc.FromStandardPath(bucketPath)
 }

@@ -514,7 +482,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e

 	// try loading service account credentials from env variable, then from a file
 	if opt.ServiceAccountCredentials == "" && opt.ServiceAccountFile != "" {
-		loadedCreds, err := os.ReadFile(env.ShellExpand(opt.ServiceAccountFile))
+		loadedCreds, err := ioutil.ReadFile(env.ShellExpand(opt.ServiceAccountFile))
 		if err != nil {
 			return nil, fmt.Errorf("error opening service account credentials file: %w", err)
 		}
@@ -527,11 +495,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		if err != nil {
 			return nil, fmt.Errorf("failed configuring Google Cloud Storage Service Account: %w", err)
 		}
-	} else if opt.EnvAuth {
-		oAuthClient, err = google.DefaultClient(ctx, storage.DevstorageFullControlScope)
-		if err != nil {
-			return nil, fmt.Errorf("failed to configure Google Cloud Storage: %w", err)
-		}
 	} else {
 		oAuthClient, _, err = oauthutil.NewClient(ctx, name, m, storageConfig)
 		if err != nil {
@@ -557,17 +520,10 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		BucketBased:       true,
 		BucketBasedRootOK: true,
 	}).Fill(ctx, f)
-	if opt.DirectoryMarkers {
-		f.features.CanHaveEmptyDirectories = true
-	}

 	// Create a new authorized Drive client.
 	f.client = oAuthClient
-	gcsOpts := []option.ClientOption{option.WithHTTPClient(f.client)}
-	if opt.Endpoint != "" {
-		gcsOpts = append(gcsOpts, option.WithEndpoint(opt.Endpoint))
-	}
-	f.svc, err = storage.NewService(context.Background(), gcsOpts...)
+	f.svc, err = storage.NewService(context.Background(), option.WithHTTPClient(f.client))
 	if err != nil {
 		return nil, fmt.Errorf("couldn't create Google Cloud Storage client: %w", err)
 	}
@@ -576,11 +532,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		// Check to see if the object exists
 		encodedDirectory := f.opt.Enc.FromStandardPath(f.rootDirectory)
 		err = f.pacer.Call(func() (bool, error) {
-			get := f.svc.Objects.Get(f.rootBucket, encodedDirectory).Context(ctx)
-			if f.opt.UserProject != "" {
-				get = get.UserProject(f.opt.UserProject)
-			}
-			_, err = get.Do()
+			_, err = f.svc.Objects.Get(f.rootBucket, encodedDirectory).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err == nil {
@@ -628,7 +580,7 @@ type listFn func(remote string, object *storage.Object, isDirectory bool) error
 //
 // dir is the starting directory, "" for root
 //
-// Set recurse to read sub directories.
+// Set recurse to read sub directories
 //
 // The remote has prefix removed from it and if addBucket is set
 // then it adds the bucket to the start.
@@ -640,13 +592,9 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 		directory += "/"
 	}
 	list := f.svc.Objects.List(bucket).Prefix(directory).MaxResults(listChunks)
-	if f.opt.UserProject != "" {
-		list = list.UserProject(f.opt.UserProject)
-	}
 	if !recurse {
 		list = list.Delimiter("/")
 	}
-	foundItems := 0
 	for {
 		var objects *storage.Objects
 		err = f.pacer.Call(func() (bool, error) {
@@ -662,7 +610,6 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 			return err
 		}
 		if !recurse {
-			foundItems += len(objects.Prefixes)
 			var object storage.Object
 			for _, remote := range objects.Prefixes {
 				if !strings.HasSuffix(remote, "/") {
@@ -683,29 +630,22 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 				}
 			}
 		}
-		foundItems += len(objects.Items)
 		for _, object := range objects.Items {
 			remote := f.opt.Enc.ToStandardPath(object.Name)
 			if !strings.HasPrefix(remote, prefix) {
 				fs.Logf(f, "Odd name received %q", object.Name)
 				continue
 			}
-			isDirectory := remote == "" || strings.HasSuffix(remote, "/")
-			// is this a directory marker?
-			if isDirectory {
-				// Don't insert the root directory
-				if remote == directory {
-					continue
-				}
-				// process directory markers as directories
-				remote = strings.TrimRight(remote, "/")
-			}
 			remote = remote[len(prefix):]
+			isDirectory := remote == "" || strings.HasSuffix(remote, "/")
 			if addBucket {
 				remote = path.Join(bucket, remote)
 			}
-
-			err = fn(remote, object, isDirectory)
+			// is this a directory marker?
+			if isDirectory {
+				continue // skip directory marker
+			}
+			err = fn(remote, object, false)
 			if err != nil {
 				return err
 			}
@@ -715,17 +655,6 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 		}
 		list.PageToken(objects.NextPageToken)
 	}
-	if f.opt.DirectoryMarkers && foundItems == 0 && directory != "" {
-		// Determine whether the directory exists or not by whether it has a marker
-		_, err := f.readObjectInfo(ctx, bucket, directory)
-		if err != nil {
-			if err == fs.ErrorObjectNotFound {
-				return fs.ErrorDirNotFound
-			}
-			return err
-		}
-	}
-
 	return nil
 }

@@ -769,9 +698,6 @@ func (f *Fs) listBuckets(ctx context.Context) (entries fs.DirEntries, err error)
 		return nil, errors.New("can't list buckets without project number")
 	}
 	listBuckets := f.svc.Buckets.List(f.opt.ProjectNumber).MaxResults(listChunks)
-	if f.opt.UserProject != "" {
-		listBuckets = listBuckets.UserProject(f.opt.UserProject)
-	}
 	for {
 		var buckets *storage.Buckets
 		err = f.pacer.Call(func() (bool, error) {
@@ -872,7 +798,7 @@ func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (

 // Put the object into the bucket
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -889,69 +815,10 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 	return f.Put(ctx, in, src, options...)
 }

-// Create directory marker file and parents
-func (f *Fs) createDirectoryMarker(ctx context.Context, bucket, dir string) error {
-	if !f.opt.DirectoryMarkers || bucket == "" {
-		return nil
-	}
-
-	// Object to be uploaded
-	o := &Object{
-		fs:      f,
-		modTime: time.Now(),
-	}
-
-	for {
-		_, bucketPath := f.split(dir)
-		// Don't create the directory marker if it is the bucket or at the very root
-		if bucketPath == "" {
-			break
-		}
-		o.remote = dir + "/"
-
-		// Check to see if object already exists
-		_, err := o.readObjectInfo(ctx)
-		if err == nil {
-			return nil
-		}
-
-		// Upload it if not
-		fs.Debugf(o, "Creating directory marker")
-		content := io.Reader(strings.NewReader(""))
-		err = o.Update(ctx, content, o)
-		if err != nil {
-			return fmt.Errorf("creating directory marker failed: %w", err)
-		}
-
-		// Now check parent directory exists
-		dir = path.Dir(dir)
-		if dir == "/" || dir == "." {
-			break
-		}
-	}
-
-	return nil
-}
-
 // Mkdir creates the bucket if it doesn't exist
 func (f *Fs) Mkdir(ctx context.Context, dir string) (err error) {
 	bucket, _ := f.split(dir)
-	e := f.checkBucket(ctx, bucket)
-	if e != nil {
-		return e
-	}
-	return f.createDirectoryMarker(ctx, bucket, dir)
-
-}
-
-// mkdirParent creates the parent bucket/directory if it doesn't exist
-func (f *Fs) mkdirParent(ctx context.Context, remote string) error {
-	remote = strings.TrimRight(remote, "/")
-	dir := path.Dir(remote)
-	if dir == "/" || dir == "." {
-		dir = ""
-	}
-	return f.Mkdir(ctx, dir)
+	return f.makeBucket(ctx, bucket)
 }

 // makeBucket creates the bucket if it doesn't exist
@@ -960,11 +827,7 @@ func (f *Fs) makeBucket(ctx context.Context, bucket string) (err error) {
 		// List something from the bucket to see if it exists.  Doing it like this enables the use of a
 		// service account that only has the "Storage Object Admin" role.  See #2193 for details.
 		err = f.pacer.Call(func() (bool, error) {
-			list := f.svc.Objects.List(bucket).MaxResults(1).Context(ctx)
-			if f.opt.UserProject != "" {
-				list = list.UserProject(f.opt.UserProject)
-			}
-			_, err = list.Do()
+			_, err = f.svc.Objects.List(bucket).MaxResults(1).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err == nil {
@@ -999,11 +862,7 @@ func (f *Fs) makeBucket(ctx context.Context, bucket string) (err error) {
 			if !f.opt.BucketPolicyOnly {
 				insertBucket.PredefinedAcl(f.opt.BucketACL)
 			}
-			insertBucket = insertBucket.Context(ctx)
-			if f.opt.UserProject != "" {
-				insertBucket = insertBucket.UserProject(f.opt.UserProject)
-			}
-			_, err = insertBucket.Do()
+			_, err = insertBucket.Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 	}, nil)
@@ -1023,28 +882,12 @@ func (f *Fs) checkBucket(ctx context.Context, bucket string) error {
 // to delete was not empty.
 func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
 	bucket, directory := f.split(dir)
-	// Remove directory marker file
-	if f.opt.DirectoryMarkers && bucket != "" && dir != "" {
-		o := &Object{
-			fs:     f,
-			remote: dir + "/",
-		}
-		fs.Debugf(o, "Removing directory marker")
-		err := o.Remove(ctx)
-		if err != nil {
-			return fmt.Errorf("removing directory marker failed: %w", err)
-		}
-	}
 	if bucket == "" || directory != "" {
 		return nil
 	}
 	return f.cache.Remove(bucket, func() error {
 		return f.pacer.Call(func() (bool, error) {
-			deleteBucket := f.svc.Buckets.Delete(bucket).Context(ctx)
-			if f.opt.UserProject != "" {
-				deleteBucket = deleteBucket.UserProject(f.opt.UserProject)
-			}
-			err = deleteBucket.Do()
+			err = f.svc.Buckets.Delete(bucket).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 	})
@@ -1057,16 +900,16 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
 // If it isn't possible then return fs.ErrorCantCopy
 func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
 	dstBucket, dstPath := f.split(remote)
-	err := f.mkdirParent(ctx, remote)
+	err := f.checkBucket(ctx, dstBucket)
 	if err != nil {
 		return nil, err
 	}
@@ -1090,11 +933,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	var rewriteResponse *storage.RewriteResponse
 	for {
 		err = f.pacer.Call(func() (bool, error) {
-			rewriteRequest = rewriteRequest.Context(ctx)
-			if f.opt.UserProject != "" {
-				rewriteRequest.UserProject(f.opt.UserProject)
-			}
-			rewriteResponse, err = rewriteRequest.Do()
+			rewriteResponse, err = rewriteRequest.Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err != nil {
@@ -1204,17 +1043,8 @@ func (o *Object) setMetaData(info *storage.Object) {
 // readObjectInfo reads the definition for an object
 func (o *Object) readObjectInfo(ctx context.Context) (object *storage.Object, err error) {
 	bucket, bucketPath := o.split()
-	return o.fs.readObjectInfo(ctx, bucket, bucketPath)
-}
-
-// readObjectInfo reads the definition for an object
-func (f *Fs) readObjectInfo(ctx context.Context, bucket, bucketPath string) (object *storage.Object, err error) {
-	err = f.pacer.Call(func() (bool, error) {
-		get := f.svc.Objects.Get(bucket, bucketPath).Context(ctx)
-		if f.opt.UserProject != "" {
-			get = get.UserProject(f.opt.UserProject)
-		}
-		object, err = get.Do()
+	err = o.fs.pacer.Call(func() (bool, error) {
+		object, err = o.fs.svc.Objects.Get(bucket, bucketPath).Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1286,11 +1116,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) (err error)
 		if !o.fs.opt.BucketPolicyOnly {
 			copyObject.DestinationPredefinedAcl(o.fs.opt.ObjectACL)
 		}
-		copyObject = copyObject.Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			copyObject = copyObject.UserProject(o.fs.opt.UserProject)
-		}
-		newObject, err = copyObject.Do()
+		newObject, err = copyObject.Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1307,9 +1133,6 @@ func (o *Object) Storable() bool {

 // Open an object for read
 func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.ReadCloser, err error) {
-	if o.fs.opt.UserProject != "" {
-		o.url = o.url + "&userProject=" + o.fs.opt.UserProject
-	}
 	req, err := http.NewRequestWithContext(ctx, "GET", o.url, nil)
 	if err != nil {
 		return nil, err
@@ -1353,14 +1176,11 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 // Update the object with the contents of the io.Reader, modTime and size
 //
 // The new object may have been created if an error is returned
-func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
+func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
 	bucket, bucketPath := o.split()
-	// Create parent dir/bucket if not saving directory marker
-	if !strings.HasSuffix(o.remote, "/") {
-		err = o.fs.mkdirParent(ctx, o.remote)
-		if err != nil {
-			return err
-		}
+	err := o.fs.checkBucket(ctx, bucket)
+	if err != nil {
+		return err
 	}
 	modTime := src.ModTime(ctx)

@@ -1405,11 +1225,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		if !o.fs.opt.BucketPolicyOnly {
 			insertObject.PredefinedAcl(o.fs.opt.ObjectACL)
 		}
-		insertObject = insertObject.Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			insertObject = insertObject.UserProject(o.fs.opt.UserProject)
-		}
-		newObject, err = insertObject.Do()
+		newObject, err = insertObject.Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1424,11 +1240,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 func (o *Object) Remove(ctx context.Context) (err error) {
 	bucket, bucketPath := o.split()
 	err = o.fs.pacer.Call(func() (bool, error) {
-		deleteBucket := o.fs.svc.Objects.Delete(bucket, bucketPath).Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			deleteBucket = deleteBucket.UserProject(o.fs.opt.UserProject)
-		}
-		err = deleteBucket.Do()
+		err = o.fs.svc.Objects.Delete(bucket, bucketPath).Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	return err
--- a/backend/googlecloudstorage/googlecloudstorage_test.go
+++ b/backend/googlecloudstorage/googlecloudstorage_test.go
@@ -6,7 +6,6 @@ import (
 	"testing"

 	"github.com/rclone/rclone/backend/googlecloudstorage"
-	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
 )

@@ -17,17 +16,3 @@ func TestIntegration(t *testing.T) {
 		NilObject:  (*googlecloudstorage.Object)(nil),
 	})
 }
-
-func TestIntegration2(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("Skipping as -remote set")
-	}
-	name := "TestGoogleCloudStorage"
-	fstests.Run(t, &fstests.Opt{
-		RemoteName: name + ":",
-		NilObject:  (*googlecloudstorage.Object)(nil),
-		ExtraConfig: []fstests.ExtraConfigItem{
-			{Name: name, Key: "directory_markers", Value: "true"},
-		},
-	})
-}
--- a/backend/googlephotos/api/types.go
+++ b/backend/googlephotos/api/types.go
@@ -1,4 +1,3 @@
-// Package api provides types used by the Google Photos API.
 package api

 import (
--- a/backend/googlephotos/googlephotos.go
+++ b/backend/googlephotos/googlephotos.go
@@ -178,7 +178,7 @@ type Fs struct {
 	opt        Options                // parsed options
 	features   *fs.Features           // optional features
 	unAuth     *rest.Client           // unauthenticated http client
-	srv        *rest.Client           // the connection to the server
+	srv        *rest.Client           // the connection to the one drive server
 	ts         *oauthutil.TokenSource // token source for oauth2
 	pacer      *fs.Pacer              // To pace the API calls
 	startTime  time.Time              // time Fs was started - used for datestamps
@@ -661,7 +661,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e

 // Put the object into the bucket
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
--- a/backend/googlephotos/googlephotos_test.go
+++ b/backend/googlephotos/googlephotos_test.go
@@ -3,7 +3,7 @@ package googlephotos
 import (
 	"context"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"net/http"
 	"path"
 	"testing"
@@ -12,6 +12,7 @@ import (
 	_ "github.com/rclone/rclone/backend/local"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/hash"
+	"github.com/rclone/rclone/fs/operations"
 	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/lib/random"
 	"github.com/stretchr/testify/assert"
@@ -55,7 +56,7 @@ func TestIntegration(t *testing.T) {
 			require.NoError(t, err)
 			in, err := srcObj.Open(ctx)
 			require.NoError(t, err)
-			dstObj, err := f.Put(ctx, in, fs.NewOverrideRemote(srcObj, remote))
+			dstObj, err := f.Put(ctx, in, operations.NewOverrideRemote(srcObj, remote))
 			require.NoError(t, err)
 			assert.Equal(t, remote, dstObj.Remote())
 			_ = in.Close()
@@ -98,7 +99,7 @@ func TestIntegration(t *testing.T) {
 			t.Run("ObjectOpen", func(t *testing.T) {
 				in, err := dstObj.Open(ctx)
 				require.NoError(t, err)
-				buf, err := io.ReadAll(in)
+				buf, err := ioutil.ReadAll(in)
 				require.NoError(t, err)
 				require.NoError(t, in.Close())
 				assert.True(t, len(buf) > 1000)
@@ -220,7 +221,7 @@ func TestIntegration(t *testing.T) {
 		require.NoError(t, err)
 		in, err := srcObj.Open(ctx)
 		require.NoError(t, err)
-		dstObj, err := f.Put(ctx, in, fs.NewOverrideRemote(srcObj, remote))
+		dstObj, err := f.Put(ctx, in, operations.NewOverrideRemote(srcObj, remote))
 		require.NoError(t, err)
 		assert.Equal(t, remote, dstObj.Remote())
 		_ = in.Close()
--- a/backend/googlephotos/pattern.go
+++ b/backend/googlephotos/pattern.go
@@ -315,7 +315,7 @@ func yearMonthDayFilter(ctx context.Context, f lister, match []string) (sf api.S

 // featureFilter creates a filter for the Feature enum
 //
-// The API only supports one feature, FAVORITES, so hardcode that feature.
+// The API only supports one feature, FAVORITES, so hardcode that feature
 //
 // https://developers.google.com/photos/library/reference/rest/v1/mediaItems/search#FeatureFilter
 func featureFilter(ctx context.Context, f lister, match []string) (sf api.SearchFilter) {
--- a/backend/hasher/commands.go
+++ b/backend/hasher/commands.go
@@ -161,7 +161,7 @@ func (f *Fs) dbImport(ctx context.Context, hashName, sumRemote string, sticky bo
 			if err := o.putHashes(ctx, hashMap{hashType: hash}); err != nil {
 				fs.Errorf(nil, "%s: failed to import: %v", remote, err)
 			}
-			accounting.Stats(ctx).NewCheckingTransfer(obj, "importing").Done(ctx, err)
+			accounting.Stats(ctx).NewCheckingTransfer(obj).Done(ctx, err)
 			doneCount++
 		}
 	})
--- a/backend/hasher/hasher.go
+++ b/backend/hasher/hasher.go
@@ -166,7 +166,6 @@ func NewFs(ctx context.Context, fsname, rpath string, cmap configmap.Mapper) (fs
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}
 	f.features = stubFeatures.Fill(ctx, f).Mask(ctx, f.Fs).WrapsFs(f, f.Fs)

--- a/backend/hasher/object.go
+++ b/backend/hasher/object.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"path"
 	"time"

@@ -117,7 +118,7 @@ func (o *Object) updateHashes(ctx context.Context) error {
 	defer func() {
 		_ = r.Close()
 	}()
-	if _, err = io.Copy(io.Discard, r); err != nil {
+	if _, err = io.Copy(ioutil.Discard, r); err != nil {
 		fs.Infof(o, "update failed (copy): %v", err)
 		return err
 	}
--- a/backend/hdfs/fs.go
+++ b/backend/hdfs/fs.go
@@ -265,9 +265,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
--- a/backend/hdfs/hdfs.go
+++ b/backend/hdfs/hdfs.go
@@ -1,7 +1,6 @@
 //go:build !plan9
 // +build !plan9

-// Package hdfs provides an interface to the HDFS storage system.
 package hdfs

 import (
@@ -42,9 +41,9 @@ for namenode running as service 'hdfs' with FQDN 'namenode.hadoop.docker'.`,
 			Help: `Kerberos data transfer protection: authentication|integrity|privacy.

 Specifies whether or not authentication, data signature integrity
-checks, and wire encryption are required when communicating with
-the datanodes. Possible values are 'authentication', 'integrity'
-and 'privacy'. Used only with KERBEROS enabled.`,
+checks, and wire encryption is required when communicating the the
+datanodes. Possible values are 'authentication', 'integrity' and
+'privacy'. Used only with KERBEROS enabled.`,
 			Examples: []fs.OptionExample{{
 				Value: "privacy",
 				Help:  "Ensure authentication, integrity and encryption enabled.",
--- a/backend/hidrive/helpers.go
+++ b/backend/hidrive/helpers.go
@@ -294,6 +294,15 @@ func (f *Fs) copyOrMove(ctx context.Context, isDirectory bool, operationType Cop
 	return &result, nil
 }

+// copyDirectory moves the directory at the source-path to the destination-path and
+// returns the resulting api-object if successful.
+//
+// The operation will only be successful
+// if the parent-directory of the destination-path exists.
+func (f *Fs) copyDirectory(ctx context.Context, source string, destination string, onExist OnExistAction) (*api.HiDriveObject, error) {
+	return f.copyOrMove(ctx, true, CopyOriginalPreserveModTime, source, destination, onExist)
+}
+
 // moveDirectory moves the directory at the source-path to the destination-path and
 // returns the resulting api-object if successful.
 //
--- a/backend/hidrive/hidrive.go
+++ b/backend/hidrive/hidrive.go
@@ -2,7 +2,7 @@
 package hidrive

 // FIXME HiDrive only supports file or folder names of 255 characters or less.
-// Operations that create files or folders with longer names will throw an HTTP error:
+// Operations that create files oder folder with longer names will throw a HTTP error:
 // - 422 Unprocessable Entity
 // A more graceful way for rclone to handle this may be desirable.

@@ -330,7 +330,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		f.tokenRenewer = oauthutil.NewRenew(f.String(), ts, transaction)
 	}

-	// Do not allow the root-prefix to be nonexistent nor a directory,
+	// Do not allow the root-prefix to be non-existent nor a directory,
 	// but it can be empty.
 	if f.opt.RootPrefix != "" {
 		item, err := f.fetchMetadataForPath(ctx, f.opt.RootPrefix, api.HiDriveObjectNoMetadataFields)
@@ -338,7 +338,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			return nil, fmt.Errorf("could not access root-prefix: %w", err)
 		}
 		if item.Type != api.HiDriveObjectTypeDirectory {
-			return nil, errors.New("the root-prefix needs to point to a valid directory or be empty")
+			return nil, errors.New("The root-prefix needs to point to a valid directory or be empty")
 		}
 	}

@@ -623,7 +623,7 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {
 // should be retried after the parent-directories of the destination have been created.
 // If so, it will create the parent-directories.
 //
-// If any errors arise while finding the source or
+// If any errors arrise while finding the source or
 // creating the parent-directory those will be returned.
 // Otherwise returns the originalError.
 func (f *Fs) shouldRetryAndCreateParents(ctx context.Context, destinationPath string, sourcePath string, originalError error) (bool, error) {
@@ -961,7 +961,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		} else {
 			_, _, err = o.fs.uploadFileChunked(ctx, resolvedPath, in, modTime, int(o.fs.opt.UploadChunkSize), o.fs.opt.UploadConcurrency)
 		}
-		// Try to check if object was updated, either way.
+		// Try to check if object was updated, eitherway.
 		// Metadata should be updated even if the upload fails.
 		info, metaErr = o.fs.fetchMetadataForPath(ctx, resolvedPath, api.HiDriveObjectWithMetadataFields)
 	} else {
--- a/backend/hidrive/hidrivehash/hidrivehash_test.go
+++ b/backend/hidrive/hidrivehash/hidrivehash_test.go
@@ -138,7 +138,7 @@ var testTable = []struct {
 	// pattern describes how to use data to construct the hash-input.
 	// For every entry n at even indices this repeats the data n times.
 	// For every entry m at odd indices this repeats a null-byte m times.
-	// The input-data is constructed by concatenating the results in order.
+	// The input-data is constructed by concatinating the results in order.
 	pattern []int64
 	out     []byte
 	name    string
--- a/backend/hidrive/hidrivehash/internal/internal.go
+++ b/backend/hidrive/hidrivehash/internal/internal.go
@@ -1,4 +1,3 @@
-// Package internal provides utilities for HiDrive.
 package internal

 import (
--- a/backend/http/http.go
+++ b/backend/http/http.go
@@ -13,6 +13,7 @@ import (
 	"net/http"
 	"net/url"
 	"path"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -304,7 +305,7 @@ func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
 		fs:     f,
 		remote: remote,
 	}
-	err := o.head(ctx)
+	err := o.stat(ctx)
 	if err != nil {
 		return nil, err
 	}
@@ -316,6 +317,15 @@ func (f *Fs) url(remote string) string {
 	return f.endpointURL + rest.URLPathEscape(remote)
 }

+// parse s into an int64, on failure return def
+func parseInt64(s string, def int64) int64 {
+	n, e := strconv.ParseInt(s, 10, 64)
+	if e != nil {
+		return def
+	}
+	return n
+}
+
 // Errors returned by parseName
 var (
 	errURLJoinFailed     = errors.New("URLJoin failed")
@@ -490,12 +500,12 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 					fs:     f,
 					remote: remote,
 				}
-				switch err := file.head(ctx); err {
+				switch err := file.stat(ctx); err {
 				case nil:
 					add(file)
 				case fs.ErrorNotAFile:
 					// ...found a directory not a file
-					add(fs.NewDir(remote, time.Time{}))
+					add(fs.NewDir(remote, timeUnset))
 				default:
 					fs.Debugf(remote, "skipping because of error: %v", err)
 				}
@@ -507,7 +517,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 		name = strings.TrimRight(name, "/")
 		remote := path.Join(dir, name)
 		if isDir {
-			add(fs.NewDir(remote, time.Time{}))
+			add(fs.NewDir(remote, timeUnset))
 		} else {
 			in <- remote
 		}
@@ -569,8 +579,8 @@ func (o *Object) url() string {
 	return o.fs.url(o.remote)
 }

-// head sends a HEAD request to update info fields in the Object
-func (o *Object) head(ctx context.Context) error {
+// stat updates the info field in the Object
+func (o *Object) stat(ctx context.Context) error {
 	if o.fs.opt.NoHead {
 		o.size = -1
 		o.modTime = timeUnset
@@ -591,19 +601,13 @@ func (o *Object) head(ctx context.Context) error {
 	if err != nil {
 		return fmt.Errorf("failed to stat: %w", err)
 	}
-	return o.decodeMetadata(ctx, res)
-}
-
-// decodeMetadata updates info fields in the Object according to HTTP response headers
-func (o *Object) decodeMetadata(ctx context.Context, res *http.Response) error {
 	t, err := http.ParseTime(res.Header.Get("Last-Modified"))
 	if err != nil {
 		t = timeUnset
 	}
+	o.size = parseInt64(res.Header.Get("Content-Length"), -1)
 	o.modTime = t
 	o.contentType = res.Header.Get("Content-Type")
-	o.size = rest.ParseSizeFromHeaders(res.Header)
-
 	// If NoSlash is set then check ContentType to see if it is a directory
 	if o.fs.opt.NoSlash {
 		mediaType, _, err := mime.ParseMediaType(o.contentType)
@@ -649,9 +653,6 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 	if err != nil {
 		return nil, fmt.Errorf("Open failed: %w", err)
 	}
-	if err = o.decodeMetadata(ctx, res); err != nil {
-		return nil, fmt.Errorf("decodeMetadata failed: %w", err)
-	}
 	return res.Body, nil
 }

--- a/backend/http/http_internal_test.go
+++ b/backend/http/http_internal_test.go
@@ -3,7 +3,7 @@ package http
 import (
 	"context"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
@@ -33,21 +33,20 @@ var (
 	lineEndSize = 1
 )

-// prepareServer prepares the test server and shuts it down automatically
-// when the test completes.
-func prepareServer(t *testing.T) configmap.Simple {
+// prepareServer the test server and return a function to tidy it up afterwards
+func prepareServer(t *testing.T) (configmap.Simple, func()) {
 	// file server for test/files
 	fileServer := http.FileServer(http.Dir(filesPath))

 	// verify the file path is correct, and also check which line endings
 	// are used to get sizes right ("\n" except on Windows, but even there
 	// we may have "\n" or "\r\n" depending on git crlf setting)
-	fileList, err := os.ReadDir(filesPath)
+	fileList, err := ioutil.ReadDir(filesPath)
 	require.NoError(t, err)
 	require.Greater(t, len(fileList), 0)
 	for _, file := range fileList {
 		if !file.IsDir() {
-			data, _ := os.ReadFile(filepath.Join(filesPath, file.Name()))
+			data, _ := ioutil.ReadFile(filepath.Join(filesPath, file.Name()))
 			if strings.HasSuffix(string(data), "\r\n") {
 				lineEndSize = 2
 			}
@@ -79,21 +78,20 @@ func prepareServer(t *testing.T) configmap.Simple {
 		"url":     ts.URL,
 		"headers": strings.Join(headers, ","),
 	}
-	t.Cleanup(ts.Close)

-	return m
+	// return a function to tidy up
+	return m, ts.Close
 }

-// prepare prepares the test server and shuts it down automatically
-// when the test completes.
-func prepare(t *testing.T) fs.Fs {
-	m := prepareServer(t)
+// prepare the test server and return a function to tidy it up afterwards
+func prepare(t *testing.T) (fs.Fs, func()) {
+	m, tidy := prepareServer(t)

 	// Instantiate it
 	f, err := NewFs(context.Background(), remoteName, "", m)
 	require.NoError(t, err)

-	return f
+	return f, tidy
 }

 func testListRoot(t *testing.T, f fs.Fs, noSlash bool) {
@@ -136,19 +134,22 @@ func testListRoot(t *testing.T, f fs.Fs, noSlash bool) {
 }

 func TestListRoot(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()
 	testListRoot(t, f, false)
 }

 func TestListRootNoSlash(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
 	f.(*Fs).opt.NoSlash = true
+	defer tidy()

 	testListRoot(t, f, true)
 }

 func TestListSubDir(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	entries, err := f.List(context.Background(), "three")
 	require.NoError(t, err)
@@ -165,7 +166,8 @@ func TestListSubDir(t *testing.T) {
 }

 func TestNewObject(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	o, err := f.NewObject(context.Background(), "four/under four.txt")
 	require.NoError(t, err)
@@ -192,69 +194,36 @@ func TestNewObject(t *testing.T) {
 }

 func TestOpen(t *testing.T) {
-	m := prepareServer(t)
+	f, tidy := prepare(t)
+	defer tidy()

-	for _, head := range []bool{false, true} {
-		if !head {
-			m.Set("no_head", "true")
-		}
-		f, err := NewFs(context.Background(), remoteName, "", m)
-		require.NoError(t, err)
+	o, err := f.NewObject(context.Background(), "four/under four.txt")
+	require.NoError(t, err)

-		for _, rangeRead := range []bool{false, true} {
-			o, err := f.NewObject(context.Background(), "four/under four.txt")
-			require.NoError(t, err)
-
-			if !head {
-				// Test mod time is still indeterminate
-				tObj := o.ModTime(context.Background())
-				assert.Equal(t, time.Duration(0), time.Unix(0, 0).Sub(tObj))
-
-				// Test file size is still indeterminate
-				assert.Equal(t, int64(-1), o.Size())
-			}
-
-			var data []byte
-			if !rangeRead {
-				// Test normal read
-				fd, err := o.Open(context.Background())
-				require.NoError(t, err)
-				data, err = io.ReadAll(fd)
-				require.NoError(t, err)
-				require.NoError(t, fd.Close())
-				if lineEndSize == 2 {
-					assert.Equal(t, "beetroot\r\n", string(data))
-				} else {
-					assert.Equal(t, "beetroot\n", string(data))
-				}
-			} else {
-				// Test with range request
-				fd, err := o.Open(context.Background(), &fs.RangeOption{Start: 1, End: 5})
-				require.NoError(t, err)
-				data, err = io.ReadAll(fd)
-				require.NoError(t, err)
-				require.NoError(t, fd.Close())
-				assert.Equal(t, "eetro", string(data))
-			}
-
-			fi, err := os.Stat(filepath.Join(filesPath, "four", "under four.txt"))
-			require.NoError(t, err)
-			tFile := fi.ModTime()
-
-			// Test the time is always correct on the object after file open
-			tObj := o.ModTime(context.Background())
-			fstest.AssertTimeEqualWithPrecision(t, o.Remote(), tFile, tObj, time.Second)
-
-			if !rangeRead {
-				// Test the file size
-				assert.Equal(t, int64(len(data)), o.Size())
-			}
-		}
+	// Test normal read
+	fd, err := o.Open(context.Background())
+	require.NoError(t, err)
+	data, err := ioutil.ReadAll(fd)
+	require.NoError(t, err)
+	require.NoError(t, fd.Close())
+	if lineEndSize == 2 {
+		assert.Equal(t, "beetroot\r\n", string(data))
+	} else {
+		assert.Equal(t, "beetroot\n", string(data))
 	}
+
+	// Test with range request
+	fd, err = o.Open(context.Background(), &fs.RangeOption{Start: 1, End: 5})
+	require.NoError(t, err)
+	data, err = ioutil.ReadAll(fd)
+	require.NoError(t, err)
+	require.NoError(t, fd.Close())
+	assert.Equal(t, "eetro", string(data))
 }

 func TestMimeType(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	o, err := f.NewObject(context.Background(), "four/under four.txt")
 	require.NoError(t, err)
@@ -265,7 +234,8 @@ func TestMimeType(t *testing.T) {
 }

 func TestIsAFileRoot(t *testing.T) {
-	m := prepareServer(t)
+	m, tidy := prepareServer(t)
+	defer tidy()

 	f, err := NewFs(context.Background(), remoteName, "one%.txt", m)
 	assert.Equal(t, err, fs.ErrorIsFile)
@@ -274,7 +244,8 @@ func TestIsAFileRoot(t *testing.T) {
 }

 func TestIsAFileSubDir(t *testing.T) {
-	m := prepareServer(t)
+	m, tidy := prepareServer(t)
+	defer tidy()

 	f, err := NewFs(context.Background(), remoteName, "three/underthree.txt", m)
 	assert.Equal(t, err, fs.ErrorIsFile)
--- a/backend/hubic/auth.go
+++ b/backend/hubic/auth.go
@@ -0,0 +1,62 @@
+package hubic
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/ncw/swift/v2"
+	"github.com/rclone/rclone/fs"
+)
+
+// auth is an authenticator for swift
+type auth struct {
+	f *Fs
+}
+
+// newAuth creates a swift authenticator
+func newAuth(f *Fs) *auth {
+	return &auth{
+		f: f,
+	}
+}
+
+// Request constructs an http.Request for authentication
+//
+// returns nil for not needed
+func (a *auth) Request(ctx context.Context, c *swift.Connection) (r *http.Request, err error) {
+	const retries = 10
+	for try := 1; try <= retries; try++ {
+		err = a.f.getCredentials(context.TODO())
+		if err == nil {
+			break
+		}
+		time.Sleep(100 * time.Millisecond)
+		fs.Debugf(a.f, "retrying auth request %d/%d: %v", try, retries, err)
+	}
+	return nil, err
+}
+
+// Response parses the result of an http request
+func (a *auth) Response(ctx context.Context, resp *http.Response) error {
+	return nil
+}
+
+// The public storage URL - set Internal to true to read
+// internal/service net URL
+func (a *auth) StorageUrl(Internal bool) string { // nolint
+	return a.f.credentials.Endpoint
+}
+
+// The access token
+func (a *auth) Token() string {
+	return a.f.credentials.Token
+}
+
+// The CDN url if available
+func (a *auth) CdnUrl() string { // nolint
+	return ""
+}
+
+// Check the interfaces are satisfied
+var _ swift.Authenticator = (*auth)(nil)
--- a/backend/hubic/hubic.go
+++ b/backend/hubic/hubic.go
@@ -0,0 +1,200 @@
+// Package hubic provides an interface to the Hubic object storage
+// system.
+package hubic
+
+// This uses the normal swift mechanism to update the credentials and
+// ignores the expires field returned by the Hubic API.  This may need
+// to be revisited after some actual experience.
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"time"
+
+	swiftLib "github.com/ncw/swift/v2"
+	"github.com/rclone/rclone/backend/swift"
+	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/config/configmap"
+	"github.com/rclone/rclone/fs/config/configstruct"
+	"github.com/rclone/rclone/fs/config/obscure"
+	"github.com/rclone/rclone/fs/fshttp"
+	"github.com/rclone/rclone/lib/oauthutil"
+	"golang.org/x/oauth2"
+)
+
+const (
+	rcloneClientID              = "api_hubic_svWP970PvSWbw5G3PzrAqZ6X2uHeZBPI"
+	rcloneEncryptedClientSecret = "leZKCcqy9movLhDWLVXX8cSLp_FzoiAPeEJOIOMRw1A5RuC4iLEPDYPWVF46adC_MVonnLdVEOTHVstfBOZ_lY4WNp8CK_YWlpRZ9diT5YI"
+)
+
+// Globals
+var (
+	// Description of how to auth for this app
+	oauthConfig = &oauth2.Config{
+		Scopes: []string{
+			"credentials.r", // Read OpenStack credentials
+		},
+		Endpoint: oauth2.Endpoint{
+			AuthURL:  "https://api.hubic.com/oauth/auth/",
+			TokenURL: "https://api.hubic.com/oauth/token/",
+		},
+		ClientID:     rcloneClientID,
+		ClientSecret: obscure.MustReveal(rcloneEncryptedClientSecret),
+		RedirectURL:  oauthutil.RedirectLocalhostURL,
+	}
+)
+
+// Register with Fs
+func init() {
+	fs.Register(&fs.RegInfo{
+		Name:        "hubic",
+		Description: "Hubic",
+		NewFs:       NewFs,
+		Config: func(ctx context.Context, name string, m configmap.Mapper, config fs.ConfigIn) (*fs.ConfigOut, error) {
+			return oauthutil.ConfigOut("", &oauthutil.Options{
+				OAuth2Config: oauthConfig,
+			})
+		},
+		Options: append(oauthutil.SharedOptions, swift.SharedOptions...),
+	})
+}
+
+// credentials is the JSON returned from the Hubic API to read the
+// OpenStack credentials
+type credentials struct {
+	Token    string `json:"token"`    // OpenStack token
+	Endpoint string `json:"endpoint"` // OpenStack endpoint
+	Expires  string `json:"expires"`  // Expires date - e.g. "2015-11-09T14:24:56+01:00"
+}
+
+// Fs represents a remote hubic
+type Fs struct {
+	fs.Fs                    // wrapped Fs
+	features    *fs.Features // optional features
+	client      *http.Client // client for oauth api
+	credentials credentials  // returned from the Hubic API
+	expires     time.Time    // time credentials expire
+}
+
+// Object describes a swift object
+type Object struct {
+	*swift.Object
+}
+
+// Return a string version
+func (o *Object) String() string {
+	if o == nil {
+		return "<nil>"
+	}
+	return o.Object.String()
+}
+
+// ------------------------------------------------------------
+
+// String converts this Fs to a string
+func (f *Fs) String() string {
+	if f.Fs == nil {
+		return "Hubic"
+	}
+	return fmt.Sprintf("Hubic %s", f.Fs.String())
+}
+
+// getCredentials reads the OpenStack Credentials using the Hubic API
+//
+// The credentials are read into the Fs
+func (f *Fs) getCredentials(ctx context.Context) (err error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", "https://api.hubic.com/1.0/account/credentials", nil)
+	if err != nil {
+		return err
+	}
+	resp, err := f.client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer fs.CheckClose(resp.Body, &err)
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		body, _ := ioutil.ReadAll(resp.Body)
+		bodyStr := strings.TrimSpace(strings.ReplaceAll(string(body), "\n", " "))
+		return fmt.Errorf("failed to get credentials: %s: %s", resp.Status, bodyStr)
+	}
+	decoder := json.NewDecoder(resp.Body)
+	var result credentials
+	err = decoder.Decode(&result)
+	if err != nil {
+		return err
+	}
+	// fs.Debugf(f, "Got credentials %+v", result)
+	if result.Token == "" || result.Endpoint == "" || result.Expires == "" {
+		return errors.New("couldn't read token, result and expired from credentials")
+	}
+	f.credentials = result
+	expires, err := time.Parse(time.RFC3339, result.Expires)
+	if err != nil {
+		return err
+	}
+	f.expires = expires
+	fs.Debugf(f, "Got swift credentials (expiry %v in %v)", f.expires, time.Until(f.expires))
+	return nil
+}
+
+// NewFs constructs an Fs from the path, container:path
+func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, error) {
+	client, _, err := oauthutil.NewClient(ctx, name, m, oauthConfig)
+	if err != nil {
+		return nil, fmt.Errorf("failed to configure Hubic: %w", err)
+	}
+
+	f := &Fs{
+		client: client,
+	}
+
+	// Make the swift Connection
+	ci := fs.GetConfig(ctx)
+	c := &swiftLib.Connection{
+		Auth:           newAuth(f),
+		ConnectTimeout: 10 * ci.ConnectTimeout, // Use the timeouts in the transport
+		Timeout:        10 * ci.Timeout,        // Use the timeouts in the transport
+		Transport:      fshttp.NewTransport(ctx),
+	}
+	err = c.Authenticate(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("error authenticating swift connection: %w", err)
+	}
+
+	// Parse config into swift.Options struct
+	opt := new(swift.Options)
+	err = configstruct.Set(m, opt)
+	if err != nil {
+		return nil, err
+	}
+
+	// Make inner swift Fs from the connection
+	swiftFs, err := swift.NewFsWithConnection(ctx, opt, name, root, c, true)
+	if err != nil && err != fs.ErrorIsFile {
+		return nil, err
+	}
+	f.Fs = swiftFs
+	f.features = f.Fs.Features().Wrap(f)
+	return f, err
+}
+
+// Features returns the optional features of this Fs
+func (f *Fs) Features() *fs.Features {
+	return f.features
+}
+
+// UnWrap returns the Fs that this Fs is wrapping
+func (f *Fs) UnWrap() fs.Fs {
+	return f.Fs
+}
+
+// Check the interfaces are satisfied
+var (
+	_ fs.Fs        = (*Fs)(nil)
+	_ fs.UnWrapper = (*Fs)(nil)
+)
--- a/backend/hubic/hubic_test.go
+++ b/backend/hubic/hubic_test.go
@@ -0,0 +1,19 @@
+// Test Hubic filesystem interface
+package hubic_test
+
+import (
+	"testing"
+
+	"github.com/rclone/rclone/backend/hubic"
+	"github.com/rclone/rclone/fstest/fstests"
+)
+
+// TestIntegration runs integration tests against the remote
+func TestIntegration(t *testing.T) {
+	fstests.Run(t, &fstests.Opt{
+		RemoteName:          "TestHubic:",
+		NilObject:           (*hubic.Object)(nil),
+		SkipFsCheckWrap:     true,
+		SkipObjectCheckWrap: true,
+	})
+}
--- a/backend/internetarchive/internetarchive.go
+++ b/backend/internetarchive/internetarchive.go
@@ -227,7 +227,7 @@ type Object struct {
 	rawData json.RawMessage
 }

-// IAFile represents a subset of object in MetadataResponse.Files
+// IAFile reprensents a subset of object in MetadataResponse.Files
 type IAFile struct {
 	Name string `json:"name"`
 	// Source     string `json:"source"`
@@ -243,7 +243,7 @@ type IAFile struct {
 	rawData json.RawMessage
 }

-// MetadataResponse represents subset of the JSON object returned by (frontend)/metadata/
+// MetadataResponse reprensents subset of the JSON object returned by (frontend)/metadata/
 type MetadataResponse struct {
 	Files    []IAFile `json:"files"`
 	ItemSize int64    `json:"item_size"`
@@ -577,9 +577,9 @@ func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration,

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1273,7 +1273,7 @@ func trimPathPrefix(s, prefix string, enc encoder.MultiEncoder) string {
 	return enc.ToStandardPath(strings.TrimPrefix(s, prefix+"/"))
 }

-// mimics urllib.parse.quote() on Python; exclude / from url.PathEscape
+// mimicks urllib.parse.quote() on Python; exclude / from url.PathEscape
 func quotePath(s string) string {
 	seg := strings.Split(s, "/")
 	newValues := []string{}
--- a/backend/jottacloud/api/types.go
+++ b/backend/jottacloud/api/types.go
@@ -1,4 +1,3 @@
-// Package api provides types used by the Jottacloud API.
 package api

 import (
--- a/backend/jottacloud/jottacloud.go
+++ b/backend/jottacloud/jottacloud.go
@@ -1,4 +1,3 @@
-// Package jottacloud provides an interface to the Jottacloud storage system.
 package jottacloud

 import (
@@ -12,6 +11,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"math/rand"
 	"net/http"
 	"net/url"
@@ -821,7 +821,7 @@ func (f *Fs) allocatePathRaw(file string, absolute bool) string {
 func grantTypeFilter(req *http.Request) {
 	if legacyTokenURL == req.URL.String() {
 		// read the entire body
-		refreshBody, err := io.ReadAll(req.Body)
+		refreshBody, err := ioutil.ReadAll(req.Body)
 		if err != nil {
 			return
 		}
@@ -831,7 +831,7 @@ func grantTypeFilter(req *http.Request) {
 		refreshBody = []byte(strings.Replace(string(refreshBody), "grant_type=refresh_token", "grant_type=REFRESH_TOKEN", 1))

 		// set the new ReadCloser (with a dummy Close())
-		req.Body = io.NopCloser(bytes.NewReader(refreshBody))
+		req.Body = ioutil.NopCloser(bytes.NewReader(refreshBody))
 	}
 }

@@ -1247,7 +1247,7 @@ func (f *Fs) createObject(remote string, modTime time.Time, size int64) (o *Obje

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -1397,9 +1397,9 @@ func (f *Fs) copyOrMove(ctx context.Context, method, src, dest string) (info *ap

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1417,7 +1417,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	}
 	info, err := f.copyOrMove(ctx, "cp", srcObj.filePath(), remote)

-	// if destination was a trashed file then after a successful copy the copied file is still in trash (bug in api?)
+	// if destination was a trashed file then after a successfull copy the copied file is still in trash (bug in api?)
 	if err == nil && bool(info.Deleted) && !f.opt.TrashedOnly && info.State == "COMPLETED" {
 		fs.Debugf(src, "Server-side copied to trashed destination, restoring")
 		info, err = f.createOrUpdate(ctx, remote, srcObj.modTime, srcObj.size, srcObj.md5)
@@ -1433,9 +1433,9 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1788,7 +1788,7 @@ func readMD5(in io.Reader, size, threshold int64) (md5sum string, out io.Reader,
 		var tempFile *os.File

 		// create the cache file
-		tempFile, err = os.CreateTemp("", cachePrefix)
+		tempFile, err = ioutil.TempFile("", cachePrefix)
 		if err != nil {
 			return
 		}
@@ -1816,7 +1816,7 @@ func readMD5(in io.Reader, size, threshold int64) (md5sum string, out io.Reader,
 	} else {
 		// that's a small file, just read it into memory
 		var inData []byte
-		inData, err = io.ReadAll(teeReader)
+		inData, err = ioutil.ReadAll(teeReader)
 		if err != nil {
 			return
 		}
@@ -1829,7 +1829,7 @@ func readMD5(in io.Reader, size, threshold int64) (md5sum string, out io.Reader,

 // Update the object with the contents of the io.Reader, modTime and size
 //
-// If existing is set then it updates the object rather than creating a new one.
+// If existing is set then it updates the object rather than creating a new one
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
@@ -1838,12 +1838,12 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		if err == nil {
 			// if the object exists delete it
 			err = o.remove(ctx, true)
-			if err != nil && err != fs.ErrorObjectNotFound {
-				// if delete failed then report that, unless it was because the file did not exist after all
+			if err != nil {
 				return fmt.Errorf("failed to remove old object: %w", err)
 			}
-		} else if err != fs.ErrorObjectNotFound {
-			// if the object does not exist we can just continue but if the error is something different we should report that
+		}
+		// if the object does not exist we can just continue but if the error is something different we should report that
+		if err != fs.ErrorObjectNotFound {
 			return err
 		}
 	}
@@ -1913,7 +1913,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op

 		// copy the already uploaded bytes into the trash :)
 		var result api.UploadResponse
-		_, err = io.CopyN(io.Discard, in, response.ResumePos)
+		_, err = io.CopyN(ioutil.Discard, in, response.ResumePos)
 		if err != nil {
 			return err
 		}
@@ -1930,7 +1930,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		o.md5 = result.Md5
 		o.modTime = time.Unix(result.Modified/1000, 0)
 	} else {
-		// If the file state is COMPLETE we don't need to upload it because the file was already found but we still need to update our metadata
+		// If the file state is COMPLETE we don't need to upload it because the file was already found but we still ned to update our metadata
 		return o.readMetaData(ctx, true)
 	}

@@ -1951,17 +1951,10 @@ func (o *Object) remove(ctx context.Context, hard bool) error {
 		opts.Parameters.Set("dl", "true")
 	}

-	err := o.fs.pacer.Call(func() (bool, error) {
+	return o.fs.pacer.Call(func() (bool, error) {
 		resp, err := o.fs.jfsSrv.CallXML(ctx, &opts, nil, nil)
 		return shouldRetry(ctx, resp, err)
 	})
-	if apiErr, ok := err.(*api.Error); ok {
-		// attempting to hard delete will fail if path does not exist, but standard delete will succeed
-		if apiErr.StatusCode == http.StatusNotFound {
-			return fs.ErrorObjectNotFound
-		}
-	}
-	return err
 }

 // Remove an object
--- a/backend/koofr/koofr.go
+++ b/backend/koofr/koofr.go
@@ -1,4 +1,3 @@
-// Package koofr provides an interface to the Koofr storage system.
 package koofr

 import (
@@ -376,7 +375,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 	for i, file := range files {
 		remote := path.Join(dir, f.opt.Enc.ToStandardName(file.Name))
 		if file.Type == "dir" {
-			entries[i] = fs.NewDir(remote, time.Time{})
+			entries[i] = fs.NewDir(remote, time.Unix(0, 0))
 		} else {
 			entries[i] = &Object{
 				fs:     f,
@@ -668,7 +667,7 @@ func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration,
 	//
 	// https://app.koofr.net/content/links/39a6cc01-3b23-477a-8059-c0fb3b0f15de/files/get?path=%2F
 	//
-	// I am not sure about meaning of "path" parameter; in my experiments
+	// I am not sure about meaning of "path" parameter; in my expriments
 	// it is always "%2F", and omitting it or putting any other value
 	// results in 404.
 	//
--- a/backend/local/local.go
+++ b/backend/local/local.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -21,7 +22,6 @@ import (
 	"github.com/rclone/rclone/fs/config"
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/config/configstruct"
-	"github.com/rclone/rclone/fs/filter"
 	"github.com/rclone/rclone/fs/fserrors"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/encoder"
@@ -123,8 +123,8 @@ routine so this flag shouldn't normally be used.`,
 			Help: `Don't check to see if the files change during upload.

 Normally rclone checks the size and modification time of files as they
-are being uploaded and aborts with a message which starts "can't copy -
-source file is being updated" if the file changes during upload.
+are being uploaded and aborts with a message which starts "can't copy
+- source file is being updated" if the file changes during upload.

 However on some file systems this modification time check may fail (e.g.
 [Glusterfs #2206](https://github.com/rclone/rclone/issues/2206)) so this
@@ -234,16 +234,15 @@ type Options struct {

 // Fs represents a local filesystem rooted at root
 type Fs struct {
-	name           string              // the name of the remote
-	root           string              // The root directory (OS path)
-	opt            Options             // parsed config options
-	features       *fs.Features        // optional features
-	dev            uint64              // device number of root node
-	precisionOk    sync.Once           // Whether we need to read the precision
-	precision      time.Duration       // precision of local filesystem
-	warnedMu       sync.Mutex          // used for locking access to 'warned'.
-	warned         map[string]struct{} // whether we have warned about this string
-	xattrSupported int32               // whether xattrs are supported (atomic access)
+	name        string              // the name of the remote
+	root        string              // The root directory (OS path)
+	opt         Options             // parsed config options
+	features    *fs.Features        // optional features
+	dev         uint64              // device number of root node
+	precisionOk sync.Once           // Whether we need to read the precision
+	precision   time.Duration       // precision of local filesystem
+	warnedMu    sync.Mutex          // used for locking access to 'warned'.
+	warned      map[string]struct{} // whether we have warned about this string

 	// do os.Lstat or os.Stat
 	lstat        func(name string) (os.FileInfo, error)
@@ -266,10 +265,7 @@ type Object struct {

 // ------------------------------------------------------------

-var (
-	errLinksAndCopyLinks = errors.New("can't use -l/--links with -L/--copy-links")
-	errLinksNeedsSuffix  = errors.New("need \"" + linkSuffix + "\" suffix to refer to symlink when using -l/--links")
-)
+var errLinksAndCopyLinks = errors.New("can't use -l/--links with -L/--copy-links")

 // NewFs constructs an Fs from the path
 func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, error) {
@@ -290,9 +286,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		dev:    devUnset,
 		lstat:  os.Lstat,
 	}
-	if xattrSupported {
-		f.xattrSupported = 1
-	}
 	f.root = cleanRootPath(root, f.opt.NoUNC, f.opt.Enc)
 	f.features = (&fs.Features{
 		CaseInsensitive:         f.caseInsensitive(),
@@ -302,8 +295,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            xattrSupported, // can only R/W general purpose metadata if xattrs are supported
-		FilterAware:             true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	if opt.FollowSymlinks {
 		f.lstat = os.Stat
@@ -314,16 +305,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if err == nil {
 		f.dev = readDevice(fi, f.opt.OneFileSystem)
 	}
-	// Check to see if this is a .rclonelink if not found
-	hasLinkSuffix := strings.HasSuffix(f.root, linkSuffix)
-	if hasLinkSuffix && opt.TranslateSymlinks && os.IsNotExist(err) {
-		fi, err = f.lstat(strings.TrimSuffix(f.root, linkSuffix))
-	}
 	if err == nil && f.isRegular(fi.Mode()) {
-		// Handle the odd case, that a symlink was specified by name without the link suffix
-		if !hasLinkSuffix && opt.TranslateSymlinks && fi.Mode()&os.ModeSymlink != 0 {
-			return nil, errLinksNeedsSuffix
-		}
 		// It is a file, so use the parent as the root
 		f.root = filepath.Dir(f.root)
 		// return an error with an fs which points to the parent
@@ -457,8 +439,6 @@ func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
 // This should return ErrDirNotFound if the directory isn't
 // found.
 func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
-	filter, useFilter := filter.GetConfig(ctx), filter.GetUseFilter(ctx)
-
 	fsDirPath := f.localPath(dir)
 	_, err = os.Stat(fsDirPath)
 	if err != nil {
@@ -509,14 +489,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 						continue
 					}
 					if fierr != nil {
-						// Don't report errors on any file names that are excluded
-						if useFilter {
-							newRemote := f.cleanRemote(dir, name)
-							if !filter.IncludeRemote(newRemote) {
-								continue
-							}
-						}
-						fierr = fmt.Errorf("failed to get info about directory entry %q: %w", namepath, fierr)
+						err = fmt.Errorf("failed to read directory %q: %w", namepath, err)
 						fs.Errorf(dir, "%v", fierr)
 						_ = accounting.Stats(ctx).Error(fserrors.NoRetryError(fierr)) // fail the sync
 						continue
@@ -537,10 +510,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 			if f.opt.FollowSymlinks && (mode&os.ModeSymlink) != 0 {
 				localPath := filepath.Join(fsDirPath, name)
 				fi, err = os.Stat(localPath)
-				// Quietly skip errors on excluded files and directories
-				if err != nil && useFilter && !filter.IncludeRemote(newRemote) {
-					continue
-				}
 				if os.IsNotExist(err) || isCircularSymlinkError(err) {
 					// Skip bad symlinks and circular symlinks
 					err = fserrors.NoRetryError(fmt.Errorf("symlink: %w", err))
@@ -565,11 +534,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 				if f.opt.TranslateSymlinks && fi.Mode()&os.ModeSymlink != 0 {
 					newRemote += linkSuffix
 				}
-				// Don't include non directory if not included
-				// we leave directory filtering to the layer above
-				if useFilter && !filter.IncludeRemote(newRemote) {
-					continue
-				}
 				fso, err := f.newObjectWithInfo(newRemote, fi)
 				if err != nil {
 					return nil, err
@@ -662,7 +626,7 @@ func (f *Fs) readPrecision() (precision time.Duration) {
 	precision = time.Second

 	// Create temporary file and test it
-	fd, err := os.CreateTemp("", "rclone")
+	fd, err := ioutil.TempFile("", "rclone")
 	if err != nil {
 		// If failed return 1s
 		// fmt.Println("Failed to create temp file", err)
@@ -731,9 +695,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1089,7 +1053,7 @@ func (o *Object) openTranslatedLink(offset, limit int64) (lrc io.ReadCloser, err
 	if err != nil {
 		return nil, err
 	}
-	return readers.NewLimitedReadCloser(io.NopCloser(strings.NewReader(linkdst[offset:])), limit), nil
+	return readers.NewLimitedReadCloser(ioutil.NopCloser(strings.NewReader(linkdst[offset:])), limit), nil
 }

 // Open an object for read
@@ -1416,27 +1380,30 @@ func (o *Object) writeMetadata(metadata fs.Metadata) (err error) {
 }

 func cleanRootPath(s string, noUNC bool, enc encoder.MultiEncoder) string {
-	if runtime.GOOS != "windows" || !strings.HasPrefix(s, "\\") {
-		if !filepath.IsAbs(s) {
+	if runtime.GOOS == "windows" {
+		if !filepath.IsAbs(s) && !strings.HasPrefix(s, "\\") {
 			s2, err := filepath.Abs(s)
 			if err == nil {
 				s = s2
 			}
-		} else {
-			s = filepath.Clean(s)
 		}
-	}
-	if runtime.GOOS == "windows" {
 		s = filepath.ToSlash(s)
 		vol := filepath.VolumeName(s)
 		s = vol + enc.FromStandardPath(s[len(vol):])
 		s = filepath.FromSlash(s)
+
 		if !noUNC {
 			// Convert to UNC
 			s = file.UNCPath(s)
 		}
 		return s
 	}
+	if !filepath.IsAbs(s) {
+		s2, err := filepath.Abs(s)
+		if err == nil {
+			s = s2
+		}
+	}
 	s = enc.FromStandardPath(s)
 	return s
 }
--- a/backend/local/local_internal_test.go
+++ b/backend/local/local_internal_test.go
@@ -4,22 +4,18 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
 	"runtime"
-	"sort"
 	"testing"
 	"time"

 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fs/accounting"
 	"github.com/rclone/rclone/fs/config/configmap"
-	"github.com/rclone/rclone/fs/filter"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/fs/object"
-	"github.com/rclone/rclone/fs/operations"
 	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/lib/file"
 	"github.com/rclone/rclone/lib/readers"
@@ -35,6 +31,7 @@ func TestMain(m *testing.M) {
 // Test copy with source file that's updating
 func TestUpdatingCheck(t *testing.T) {
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	filePath := "sub dir/local test"
 	r.WriteFile(filePath, "content", time.Now())

@@ -79,6 +76,7 @@ func TestUpdatingCheck(t *testing.T) {
 func TestSymlink(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	f := r.Flocal.(*Fs)
 	dir := f.root

@@ -147,24 +145,10 @@ func TestSymlink(t *testing.T) {
 	_, err = r.Flocal.NewObject(ctx, "symlink2.txt")
 	require.Equal(t, fs.ErrorObjectNotFound, err)

-	// Check that NewFs works with the suffixed version and --links
-	f2, err := NewFs(ctx, "local", filepath.Join(dir, "symlink2.txt"+linkSuffix), configmap.Simple{
-		"links": "true",
-	})
-	require.Equal(t, fs.ErrorIsFile, err)
-	require.Equal(t, dir, f2.(*Fs).root)
-
-	// Check that NewFs doesn't see the non suffixed version with --links
-	f2, err = NewFs(ctx, "local", filepath.Join(dir, "symlink2.txt"), configmap.Simple{
-		"links": "true",
-	})
-	require.Equal(t, errLinksNeedsSuffix, err)
-	require.Nil(t, f2)
-
 	// Check reading the object
 	in, err := o.Open(ctx)
 	require.NoError(t, err)
-	contents, err := io.ReadAll(in)
+	contents, err := ioutil.ReadAll(in)
 	require.NoError(t, err)
 	require.Equal(t, "file.txt", string(contents))
 	require.NoError(t, in.Close())
@@ -172,7 +156,7 @@ func TestSymlink(t *testing.T) {
 	// Check reading the object with range
 	in, err = o.Open(ctx, &fs.RangeOption{Start: 2, End: 5})
 	require.NoError(t, err)
-	contents, err = io.ReadAll(in)
+	contents, err = ioutil.ReadAll(in)
 	require.NoError(t, err)
 	require.Equal(t, "file.txt"[2:5+1], string(contents))
 	require.NoError(t, in.Close())
@@ -191,6 +175,7 @@ func TestSymlinkError(t *testing.T) {
 func TestHashOnUpdate(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "file.txt"
 	when := time.Now()
 	r.WriteFile(filePath, "content", when)
@@ -205,7 +190,7 @@ func TestHashOnUpdate(t *testing.T) {
 	require.NoError(t, err)
 	assert.Equal(t, "9a0364b9e99bb480dd25e1f0284c8555", md5)

-	// Reupload it with different contents but same size and timestamp
+	// Reupload it with diferent contents but same size and timestamp
 	var b = bytes.NewBufferString("CONTENT")
 	src := object.NewStaticObjectInfo(filePath, when, int64(b.Len()), true, nil, f)
 	err = o.Update(ctx, b, src)
@@ -221,6 +206,7 @@ func TestHashOnUpdate(t *testing.T) {
 func TestHashOnDelete(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "file.txt"
 	when := time.Now()
 	r.WriteFile(filePath, "content", when)
@@ -249,6 +235,7 @@ func TestHashOnDelete(t *testing.T) {
 func TestMetadata(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "metafile.txt"
 	when := time.Now()
 	const dayLength = len("2001-01-01")
@@ -379,179 +366,3 @@ func TestMetadata(t *testing.T) {
 	})

 }
-
-func TestFilter(t *testing.T) {
-	ctx := context.Background()
-	r := fstest.NewRun(t)
-	when := time.Now()
-	r.WriteFile("included", "included file", when)
-	r.WriteFile("excluded", "excluded file", when)
-	f := r.Flocal.(*Fs)
-
-	// Check set up for filtering
-	assert.True(t, f.Features().FilterAware)
-
-	// Add a filter
-	ctx, fi := filter.AddConfig(ctx)
-	require.NoError(t, fi.AddRule("+ included"))
-	require.NoError(t, fi.AddRule("- *"))
-
-	// Check listing without use filter flag
-	entries, err := f.List(ctx, "")
-	require.NoError(t, err)
-	sort.Sort(entries)
-	require.Equal(t, "[excluded included]", fmt.Sprint(entries))
-
-	// Add user filter flag
-	ctx = filter.SetUseFilter(ctx, true)
-
-	// Check listing with use filter flag
-	entries, err = f.List(ctx, "")
-	require.NoError(t, err)
-	sort.Sort(entries)
-	require.Equal(t, "[included]", fmt.Sprint(entries))
-}
-
-func testFilterSymlink(t *testing.T, copyLinks bool) {
-	ctx := context.Background()
-	r := fstest.NewRun(t)
-	defer r.Finalise()
-	when := time.Now()
-	f := r.Flocal.(*Fs)
-
-	// Create a file, a directory, a symlink to a file, a symlink to a directory and a dangling symlink
-	r.WriteFile("included.file", "included file", when)
-	r.WriteFile("included.dir/included.sub.file", "included sub file", when)
-	require.NoError(t, os.Symlink("included.file", filepath.Join(r.LocalName, "included.file.link")))
-	require.NoError(t, os.Symlink("included.dir", filepath.Join(r.LocalName, "included.dir.link")))
-	require.NoError(t, os.Symlink("dangling", filepath.Join(r.LocalName, "dangling.link")))
-
-	defer func() {
-		// Reset -L/-l mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Lstat
-	}()
-	if copyLinks {
-		// Set fs into "-L" mode
-		f.opt.FollowSymlinks = true
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Stat
-	} else {
-		// Set fs into "-l" mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = true
-		f.lstat = os.Lstat
-	}
-
-	// Check set up for filtering
-	assert.True(t, f.Features().FilterAware)
-
-	// Reset global error count
-	accounting.Stats(ctx).ResetErrors()
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	// Add a filter
-	ctx, fi := filter.AddConfig(ctx)
-	require.NoError(t, fi.AddRule("+ included.file"))
-	require.NoError(t, fi.AddRule("+ included.dir/**"))
-	if copyLinks {
-		require.NoError(t, fi.AddRule("+ included.file.link"))
-		require.NoError(t, fi.AddRule("+ included.dir.link/**"))
-	} else {
-		require.NoError(t, fi.AddRule("+ included.file.link.rclonelink"))
-		require.NoError(t, fi.AddRule("+ included.dir.link.rclonelink"))
-	}
-	require.NoError(t, fi.AddRule("- *"))
-
-	// Check listing without use filter flag
-	entries, err := f.List(ctx, "")
-	require.NoError(t, err)
-
-	if copyLinks {
-		// Check 1 global errors one for each dangling symlink
-		assert.Equal(t, int64(1), accounting.Stats(ctx).GetErrors(), "global errors found")
-	} else {
-		// Check 0 global errors as dangling symlink copied properly
-		assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-	}
-	accounting.Stats(ctx).ResetErrors()
-
-	sort.Sort(entries)
-	if copyLinks {
-		require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
-	} else {
-		require.Equal(t, "[dangling.link.rclonelink included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
-	}
-
-	// Add user filter flag
-	ctx = filter.SetUseFilter(ctx, true)
-
-	// Check listing with use filter flag
-	entries, err = f.List(ctx, "")
-	require.NoError(t, err)
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	sort.Sort(entries)
-	if copyLinks {
-		require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
-	} else {
-		require.Equal(t, "[included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
-	}
-
-	// Check listing through a symlink still works
-	entries, err = f.List(ctx, "included.dir")
-	require.NoError(t, err)
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	sort.Sort(entries)
-	require.Equal(t, "[included.dir/included.sub.file]", fmt.Sprint(entries))
-}
-
-func TestFilterSymlinkCopyLinks(t *testing.T) {
-	testFilterSymlink(t, true)
-}
-
-func TestFilterSymlinkLinks(t *testing.T) {
-	testFilterSymlink(t, false)
-}
-
-func TestCopySymlink(t *testing.T) {
-	ctx := context.Background()
-	r := fstest.NewRun(t)
-	defer r.Finalise()
-	when := time.Now()
-	f := r.Flocal.(*Fs)
-
-	// Create a file and a symlink to it
-	r.WriteFile("src/file.txt", "hello world", when)
-	require.NoError(t, os.Symlink("file.txt", filepath.Join(r.LocalName, "src", "link.txt")))
-	defer func() {
-		// Reset -L/-l mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Lstat
-	}()
-
-	// Set fs into "-l/--links" mode
-	f.opt.FollowSymlinks = false
-	f.opt.TranslateSymlinks = true
-	f.lstat = os.Lstat
-
-	// Create dst
-	require.NoError(t, f.Mkdir(ctx, "dst"))
-
-	// Do copy from src into dst
-	src, err := f.NewObject(ctx, "src/link.txt.rclonelink")
-	require.NoError(t, err)
-	require.NotNil(t, src)
-	dst, err := operations.Copy(ctx, f, nil, "dst/link.txt.rclonelink", src)
-	require.NoError(t, err)
-	require.NotNil(t, dst)
-
-	// Test that we made a symlink and it has the right contents
-	dstPath := filepath.Join(r.LocalName, "dst", "link.txt")
-	linkContents, err := os.Readlink(dstPath)
-	require.NoError(t, err)
-	assert.Equal(t, "file.txt", linkContents)
-}
--- a/backend/local/metadata_linux.go
+++ b/backend/local/metadata_linux.go
@@ -5,42 +5,19 @@ package local

 import (
 	"fmt"
-	"runtime"
-	"sync"
 	"time"

 	"github.com/rclone/rclone/fs"
 	"golang.org/x/sys/unix"
 )

-var (
-	statxCheckOnce         sync.Once
-	readMetadataFromFileFn func(o *Object, m *fs.Metadata) (err error)
-)
-
 // Read the metadata from the file into metadata where possible
 func (o *Object) readMetadataFromFile(m *fs.Metadata) (err error) {
-	statxCheckOnce.Do(func() {
-		// Check statx() is available as it was only introduced in kernel 4.11
-		// If not, fall back to fstatat() which was introduced in 2.6.16 which is guaranteed for all Go versions
-		var stat unix.Statx_t
-		if runtime.GOOS != "android" && unix.Statx(unix.AT_FDCWD, ".", 0, unix.STATX_ALL, &stat) != unix.ENOSYS {
-			readMetadataFromFileFn = readMetadataFromFileStatx
-		} else {
-			readMetadataFromFileFn = readMetadataFromFileFstatat
-		}
-	})
-	return readMetadataFromFileFn(o, m)
-}
-
-// Read the metadata from the file into metadata where possible
-func readMetadataFromFileStatx(o *Object, m *fs.Metadata) (err error) {
 	flags := unix.AT_SYMLINK_NOFOLLOW
 	if o.fs.opt.FollowSymlinks {
 		flags = 0
 	}
 	var stat unix.Statx_t
-	//  statx() was added to Linux in kernel 4.11
 	err = unix.Statx(unix.AT_FDCWD, o.path, flags, (0 |
 		unix.STATX_TYPE | // Want stx_mode & S_IFMT
 		unix.STATX_MODE | // Want stx_mode & ~S_IFMT
@@ -68,36 +45,3 @@ func readMetadataFromFileStatx(o *Object, m *fs.Metadata) (err error) {
 	setTime("btime", stat.Btime)
 	return nil
 }
-
-// Read the metadata from the file into metadata where possible
-func readMetadataFromFileFstatat(o *Object, m *fs.Metadata) (err error) {
-	flags := unix.AT_SYMLINK_NOFOLLOW
-	if o.fs.opt.FollowSymlinks {
-		flags = 0
-	}
-	var stat unix.Stat_t
-	// fstatat() was added to Linux in  kernel  2.6.16
-	// Go only supports 2.6.32 or later
-	err = unix.Fstatat(unix.AT_FDCWD, o.path, &stat, flags)
-	if err != nil {
-		return err
-	}
-	m.Set("mode", fmt.Sprintf("%0o", stat.Mode))
-	m.Set("uid", fmt.Sprintf("%d", stat.Uid))
-	m.Set("gid", fmt.Sprintf("%d", stat.Gid))
-	if stat.Rdev != 0 {
-		m.Set("rdev", fmt.Sprintf("%x", stat.Rdev))
-	}
-	setTime := func(key string, t unix.Timespec) {
-		// The types of t.Sec and t.Nsec vary from int32 to int64 on
-		// different Linux architectures so we need to cast them to
-		// int64 here and hence need to quiet the linter about
-		// unnecessary casts.
-		//
-		// nolint: unconvert
-		m.Set(key, time.Unix(int64(t.Sec), int64(t.Nsec)).Format(metadataTimeFormat))
-	}
-	setTime("atime", stat.Atim)
-	setTime("mtime", stat.Mtim)
-	return nil
-}
--- a/backend/local/remove_test.go
+++ b/backend/local/remove_test.go
@@ -1,6 +1,7 @@
 package local

 import (
+	"io/ioutil"
 	"os"
 	"sync"
 	"testing"
@@ -12,7 +13,7 @@ import (

 // Check we can remove an open file
 func TestRemove(t *testing.T) {
-	fd, err := os.CreateTemp("", "rclone-remove-test")
+	fd, err := ioutil.TempFile("", "rclone-remove-test")
 	require.NoError(t, err)
 	name := fd.Name()
 	defer func() {
--- a/backend/local/setbtime.go
+++ b/backend/local/setbtime.go
@@ -9,7 +9,7 @@ import (

 const haveSetBTime = false

-// setBTime changes the birth time of the file passed in
+// setBTime changes the the birth time of the file passed in
 func setBTime(name string, btime time.Time) error {
 	// Does nothing
 	return nil
--- a/backend/local/setbtime_windows.go
+++ b/backend/local/setbtime_windows.go
@@ -5,13 +5,13 @@ package local

 import (
 	"os"
-	"syscall"
 	"time"
+	"syscall"
 )

 const haveSetBTime = true

-// setBTime sets the birth time of the file passed in
+// setBTime sets the the birth time of the file passed in
 func setBTime(name string, btime time.Time) (err error) {
 	h, err := syscall.Open(name, os.O_RDWR, 0755)
 	if err != nil {
--- a/backend/local/xattr.go
+++ b/backend/local/xattr.go
@@ -6,8 +6,6 @@ package local
 import (
 	"fmt"
 	"strings"
-	"sync/atomic"
-	"syscall"

 	"github.com/pkg/xattr"
 	"github.com/rclone/rclone/fs"
@@ -18,30 +16,12 @@ const (
 	xattrSupported = xattr.XATTR_SUPPORTED
 )

-// Check to see if the error supplied is a not supported error, and if
-// so, disable xattrs
-func (f *Fs) xattrIsNotSupported(err error) bool {
-	xattrErr, ok := err.(*xattr.Error)
-	if !ok {
-		return false
-	}
-	// Xattrs not supported can be ENOTSUP or ENOATTR or EINVAL (on Solaris)
-	if xattrErr.Err == syscall.EINVAL || xattrErr.Err == syscall.ENOTSUP || xattrErr.Err == xattr.ENOATTR {
-		// Show xattrs not supported
-		if atomic.CompareAndSwapInt32(&f.xattrSupported, 1, 0) {
-			fs.Errorf(f, "xattrs not supported - disabling: %v", err)
-		}
-		return true
-	}
-	return false
-}
-
 // getXattr returns the extended attributes for an object
 //
 // It doesn't return any attributes owned by this backend in
 // metadataKeys
 func (o *Object) getXattr() (metadata fs.Metadata, err error) {
-	if !xattrSupported || atomic.LoadInt32(&o.fs.xattrSupported) == 0 {
+	if !xattrSupported {
 		return nil, nil
 	}
 	var list []string
@@ -51,9 +31,6 @@ func (o *Object) getXattr() (metadata fs.Metadata, err error) {
 		list, err = xattr.LList(o.path)
 	}
 	if err != nil {
-		if o.fs.xattrIsNotSupported(err) {
-			return nil, nil
-		}
 		return nil, fmt.Errorf("failed to read xattr: %w", err)
 	}
 	if len(list) == 0 {
@@ -68,9 +45,6 @@ func (o *Object) getXattr() (metadata fs.Metadata, err error) {
 			v, err = xattr.LGet(o.path, k)
 		}
 		if err != nil {
-			if o.fs.xattrIsNotSupported(err) {
-				return nil, nil
-			}
 			return nil, fmt.Errorf("failed to read xattr key %q: %w", k, err)
 		}
 		k = strings.ToLower(k)
@@ -90,7 +64,7 @@ func (o *Object) getXattr() (metadata fs.Metadata, err error) {
 //
 // It doesn't set any attributes owned by this backend in metadataKeys
 func (o *Object) setXattr(metadata fs.Metadata) (err error) {
-	if !xattrSupported || atomic.LoadInt32(&o.fs.xattrSupported) == 0 {
+	if !xattrSupported {
 		return nil
 	}
 	for k, value := range metadata {
@@ -106,9 +80,6 @@ func (o *Object) setXattr(metadata fs.Metadata) (err error) {
 			err = xattr.LSet(o.path, k, v)
 		}
 		if err != nil {
-			if o.fs.xattrIsNotSupported(err) {
-				return nil
-			}
 			return fmt.Errorf("failed to set xattr key %q: %w", k, err)
 		}
 	}
--- a/backend/mailru/api/helpers.go
+++ b/backend/mailru/api/helpers.go
@@ -69,11 +69,6 @@ func (w *BinWriter) WritePu64(val int64) {
 	w.b.Write(w.a[:binary.PutUvarint(w.a, uint64(val))])
 }

-// WriteP64 writes an signed long as unsigned varint
-func (w *BinWriter) WriteP64(val int64) {
-	w.b.Write(w.a[:binary.PutUvarint(w.a, uint64(val))])
-}
-
 // WriteString writes a zero-terminated string
 func (w *BinWriter) WriteString(str string) {
 	buf := []byte(str)
--- a/backend/mailru/api/m1.go
+++ b/backend/mailru/api/m1.go
@@ -1,4 +1,3 @@
-// Package api provides types used by the Mail.ru API.
 package api

 import (
--- a/backend/mailru/mailru.go
+++ b/backend/mailru/mailru.go
@@ -1,4 +1,3 @@
-// Package mailru provides an interface to the Mail.ru Cloud storage system.
 package mailru

 import (
@@ -18,6 +17,7 @@ import (

 	"encoding/hex"
 	"encoding/json"
+	"io/ioutil"
 	"net/http"
 	"net/url"

@@ -90,13 +90,8 @@ func init() {
 			Help:     "User name (usually email).",
 			Required: true,
 		}, {
-			Name: "pass",
-			Help: `Password.
-
-This must be an app password - rclone will not work with your normal
-password. See the Configuration section in the docs for how to make an
-app password.
-`,
+			Name:       "pass",
+			Help:       "Password.",
 			Required:   true,
 			IsPassword: true,
 		}, {
@@ -635,17 +630,21 @@ func (f *Fs) readItemMetaData(ctx context.Context, path string) (entry fs.DirEnt

 // itemToEntry converts API item to rclone directory entry
 // The dirSize return value is:
-//
-//	<0 - for a file or in case of error
-//	=0 - for an empty directory
-//	>0 - for a non-empty directory
+//   <0 - for a file or in case of error
+//   =0 - for an empty directory
+//   >0 - for a non-empty directory
 func (f *Fs) itemToDirEntry(ctx context.Context, item *api.ListItem) (entry fs.DirEntry, dirSize int, err error) {
 	remote, err := f.relPath(f.opt.Enc.ToStandardPath(item.Home))
 	if err != nil {
 		return nil, -1, err
 	}

-	modTime := time.Unix(int64(item.Mtime), 0)
+	mTime := int64(item.Mtime)
+	if mTime < 0 {
+		fs.Debugf(f, "Fixing invalid timestamp %d on mailru file %q", mTime, remote)
+		mTime = 0
+	}
+	modTime := time.Unix(mTime, 0)

 	isDir, err := f.isDir(item.Kind, remote)
 	if err != nil {
@@ -1659,7 +1658,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op

 	// Attempt to put by calculating hash in memory
 	if trySpeedup && size <= int64(o.fs.opt.SpeedupMaxMem) {
-		fileBuf, err = io.ReadAll(in)
+		fileBuf, err = ioutil.ReadAll(in)
 		if err != nil {
 			return err
 		}
@@ -1702,7 +1701,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if size <= mrhash.Size {
 		// Optimize upload: skip extra request if data fits in the hash buffer.
 		if fileBuf == nil {
-			fileBuf, err = io.ReadAll(wrapIn)
+			fileBuf, err = ioutil.ReadAll(wrapIn)
 		}
 		if fileHash == nil && err == nil {
 			fileHash = mrhash.Sum(fileBuf)
@@ -2057,7 +2056,7 @@ func (o *Object) addFileMetaData(ctx context.Context, overwrite bool) error {
 	req.WritePu16(0) // revision
 	req.WriteString(o.fs.opt.Enc.FromStandardPath(o.absPath()))
 	req.WritePu64(o.size)
-	req.WriteP64(o.modTime.Unix())
+	req.WritePu64(o.modTime.Unix())
 	req.WritePu32(0)
 	req.Write(o.mrHash)

@@ -2213,7 +2212,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 		fs.Debugf(o, "Server returned full content instead of range")
 		if start > 0 {
 			// Discard the beginning of the data
-			_, err = io.CopyN(io.Discard, wrapStream, start)
+			_, err = io.CopyN(ioutil.Discard, wrapStream, start)
 			if err != nil {
 				closeBody(res)
 				return nil, err
--- a/backend/mega/mega.go
+++ b/backend/mega/mega.go
@@ -83,17 +83,6 @@ than permanently deleting them.  If you specify this then rclone will
 permanently delete objects instead.`,
 			Default:  false,
 			Advanced: true,
-		}, {
-			Name: "use_https",
-			Help: `Use HTTPS for transfers.
-
-MEGA uses plain text HTTP connections by default.
-Some ISPs throttle HTTP connections, this causes transfers to become very slow.
-Enabling this will force MEGA to use HTTPS for all transfers.
-HTTPS is normally not necessary since all data is already encrypted anyway.
-Enabling it will increase CPU usage and add network overhead.`,
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -111,7 +100,6 @@ type Options struct {
 	Pass       string               `config:"pass"`
 	Debug      bool                 `config:"debug"`
 	HardDelete bool                 `config:"hard_delete"`
-	UseHTTPS   bool                 `config:"use_https"`
 	Enc        encoder.MultiEncoder `config:"encoding"`
 }

@@ -130,7 +118,7 @@ type Fs struct {

 // Object describes a mega object
 //
-// Will definitely have info but maybe not meta.
+// Will definitely have info but maybe not meta
 //
 // Normally rclone would just store an ID here but go-mega and mega.nz
 // expect you to build an entire tree of all the objects in memory.
@@ -216,7 +204,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if srv == nil {
 		srv = mega.New().SetClient(fshttp.NewClient(ctx))
 		srv.SetRetries(ci.LowLevelRetries) // let mega do the low level retries
-		srv.SetHTTPS(opt.UseHTTPS)
 		srv.SetLogger(func(format string, v ...interface{}) {
 			fs.Infof("*go-mega*", format, v...)
 		})
@@ -360,7 +347,7 @@ func (f *Fs) mkdir(ctx context.Context, rootNode *mega.Node, dir string) (node *
 		}
 	}
 	if err != nil {
-		return nil, fmt.Errorf("internal error: mkdir called with nonexistent root node: %w", err)
+		return nil, fmt.Errorf("internal error: mkdir called with non-existent root node: %w", err)
 	}
 	// i is number of directories to create (may be 0)
 	// node is directory to create them from
@@ -400,7 +387,7 @@ func (f *Fs) findRoot(ctx context.Context, create bool) (*mega.Node, error) {
 		return f._rootNode, nil
 	}

-	// Check for preexisting root
+	// Check for pre-existing root
 	absRoot := f.srv.FS.GetRoot()
 	node, err := f.findDir(absRoot, f.root)
 	//log.Printf("findRoot findDir %p %v", node, err)
@@ -549,7 +536,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 // Creates from the parameters passed in a half finished Object which
 // must have setMetaData called on it
 //
-// Returns the dirNode, object, leaf and error.
+// Returns the dirNode, object, leaf and error
 //
 // Used to create new objects
 func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time, size int64) (o *Object, dirNode *mega.Node, leaf string, err error) {
@@ -567,7 +554,7 @@ func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time,

 // Put the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 // PutUnchecked uploads the object
@@ -589,7 +576,7 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .

 // PutUnchecked the object
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 // PutUnchecked uploads the object
@@ -762,9 +749,9 @@ func (f *Fs) move(ctx context.Context, dstRemote string, srcFs *Fs, srcRemote st

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -992,6 +979,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
@@ -1127,7 +1115,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read

 // Update the object with the contents of the io.Reader, modTime and size
 //
-// If existing is set then it updates the object rather than creating a new one.
+// If existing is set then it updates the object rather than creating a new one
 //
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
--- a/backend/memory/memory.go
+++ b/backend/memory/memory.go
@@ -8,6 +8,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"path"
 	"strings"
 	"sync"
@@ -417,7 +418,7 @@ func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (

 // Put the object into the bucket
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -462,9 +463,9 @@ func (f *Fs) Precision() time.Duration {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -574,7 +575,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 		}
 		data = data[:limit]
 	}
-	return io.NopCloser(bytes.NewBuffer(data)), nil
+	return ioutil.NopCloser(bytes.NewBuffer(data)), nil
 }

 // Update the object with the contents of the io.Reader, modTime and size
@@ -582,7 +583,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 // The new object may have been created if an error is returned
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
 	bucket, bucketPath := o.split()
-	data, err := io.ReadAll(in)
+	data, err := ioutil.ReadAll(in)
 	if err != nil {
 		return fmt.Errorf("failed to update memory object: %w", err)
 	}
--- a/backend/netstorage/netstorage.go
+++ b/backend/netstorage/netstorage.go
@@ -12,6 +12,7 @@ import (
 	"fmt"
 	gohash "hash"
 	"io"
+	"io/ioutil"
 	"math/rand"
 	"net/http"
 	"net/url"
@@ -117,7 +118,7 @@ type Fs struct {
 	filetype         string            // dir, file or symlink
 	dirscreated      map[string]bool   // if implicit dir has been created already
 	dirscreatedMutex sync.Mutex        // mutex to protect dirscreated
-	statcache        map[string][]File // cache successful stat requests
+	statcache        map[string][]File // cache successfull stat requests
 	statcacheMutex   sync.RWMutex      // RWMutex to protect statcache
 }

@@ -423,7 +424,7 @@ func (f *Fs) getFileName(file *File) string {
 func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
 	if f.filetype == "" {
 		// This happens in two scenarios.
-		// 1. NewFs is done on a nonexistent object, then later rclone attempts to List/ListR this NewFs.
+		// 1. NewFs is done on a non-existent object, then later rclone attempts to List/ListR this NewFs.
 		// 2. List/ListR is called from the context of test_all and not the regular rclone binary.
 		err := f.initFs(ctx, dir)
 		if err != nil {
@@ -487,7 +488,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (err error) {
 	if f.filetype == "" {
 		// This happens in two scenarios.
-		// 1. NewFs is done on a nonexistent object, then later rclone attempts to List/ListR this NewFs.
+		// 1. NewFs is done on a non-existent object, then later rclone attempts to List/ListR this NewFs.
 		// 2. List/ListR is called from the context of test_all and not the regular rclone binary.
 		err := f.initFs(ctx, dir)
 		if err != nil {
@@ -819,8 +820,6 @@ func (f *Fs) getAuth(req *http.Request) error {
 	// Set Authorization header
 	dataHeader := generateDataHeader(f)
 	path := req.URL.RequestURI()
-	//lint:ignore SA1008 false positive when running staticcheck, the header name is according to docs even if not canonical
-	//nolint:staticcheck // Don't include staticcheck when running golangci-lint to avoid SA1008
 	actionHeader := req.Header["X-Akamai-ACS-Action"][0]
 	fs.Debugf(nil, "NetStorage API %s call %s for path %q", req.Method, actionHeader, path)
 	req.Header.Set("X-Akamai-ACS-Auth-Data", dataHeader)
@@ -973,7 +972,7 @@ func (o *Object) netStorageUploadRequest(ctx context.Context, in io.Reader, src
 		URL = o.fs.url(src.Remote())
 	}
 	if strings.HasSuffix(URL, ".rclonelink") {
-		bits, err := io.ReadAll(in)
+		bits, err := ioutil.ReadAll(in)
 		if err != nil {
 			return err
 		}
@@ -1059,7 +1058,7 @@ func (o *Object) netStorageDownloadRequest(ctx context.Context, options []fs.Ope
 	if strings.HasSuffix(URL, ".rclonelink") && o.target != "" {
 		fs.Infof(nil, "Converting a symlink to the rclonelink file on download %q", URL)
 		reader := strings.NewReader(o.target)
-		readcloser := io.NopCloser(reader)
+		readcloser := ioutil.NopCloser(reader)
 		return readcloser, nil
 	}

--- a/backend/onedrive/api/types.go
+++ b/backend/onedrive/api/types.go
@@ -1,4 +1,5 @@
-// Package api provides types used by the OneDrive API.
+// Types passed and returned to and from the API
+
 package api

 import (
@@ -13,7 +14,7 @@ const (
 	PackageTypeOneNote = "oneNote"
 )

-// Error is returned from OneDrive when things go wrong
+// Error is returned from one drive when things go wrong
 type Error struct {
 	ErrorInfo struct {
 		Code       string `json:"code"`
@@ -70,7 +71,7 @@ type Drive struct {
 	Quota     Quota       `json:"quota"`
 }

-// Timestamp represents date and time information for the
+// Timestamp represents represents date and time information for the
 // OneDrive API, by using ISO 8601 and is always in UTC time.
 type Timestamp time.Time

@@ -126,7 +127,6 @@ type HashesType struct {
 	Sha1Hash     string `json:"sha1Hash"`     // hex encoded SHA1 hash for the contents of the file (if available)
 	Crc32Hash    string `json:"crc32Hash"`    // hex encoded CRC32 value of the file (if available)
 	QuickXorHash string `json:"quickXorHash"` // base64 encoded QuickXorHash value of the file (if available)
-	Sha256Hash   string `json:"sha256Hash"`   // hex encoded SHA256 value of the file (if available)
 }

 // FileFacet groups file-related data on OneDrive into a single structure.
@@ -250,8 +250,8 @@ type MoveItemRequest struct {
 	FileSystemInfo  *FileSystemInfoFacet `json:"fileSystemInfo,omitempty"`  // File system information on client. Read-write.
 }

-// CreateShareLinkRequest is the request to create a sharing link
-// Always Type:view and Scope:anonymous for public sharing
+//CreateShareLinkRequest is the request to create a sharing link
+//Always Type:view and Scope:anonymous for public sharing
 type CreateShareLinkRequest struct {
 	Type     string     `json:"type"`                         // Link type in View, Edit or Embed
 	Scope    string     `json:"scope,omitempty"`              // Scope in anonymous, organization
@@ -259,7 +259,7 @@ type CreateShareLinkRequest struct {
 	Expiry   *time.Time `json:"expirationDateTime,omitempty"` // A String with format of yyyy-MM-ddTHH:mm:ssZ of DateTime indicates the expiration time of the permission.
 }

-// CreateShareLinkResponse is the response from CreateShareLinkRequest
+//CreateShareLinkResponse is the response from CreateShareLinkRequest
 type CreateShareLinkResponse struct {
 	ID    string   `json:"id"`
 	Roles []string `json:"roles"`
--- a/backend/onedrive/onedrive.go
+++ b/backend/onedrive/onedrive.go
@@ -196,9 +196,7 @@ listing, set this option.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different onedrive configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different onedrive configs.

 This will only work if you are copying between two OneDrive *Personal* drives AND
 the files to copy are already shared between them.  In other cases, rclone will
@@ -259,66 +257,6 @@ this flag there.
 			Help: `Set the password for links created by the link command.

 At the time of writing this only works with OneDrive personal paid accounts.
-`,
-			Advanced: true,
-		}, {
-			Name:    "hash_type",
-			Default: "auto",
-			Help: `Specify the hash in use for the backend.
-
-This specifies the hash type in use. If set to "auto" it will use the
-default hash which is QuickXorHash.
-
-Before rclone 1.62 an SHA1 hash was used by default for Onedrive
-Personal. For 1.62 and later the default is to use a QuickXorHash for
-all onedrive types. If an SHA1 hash is desired then set this option
-accordingly.
-
-From July 2023 QuickXorHash will be the only available hash for
-both OneDrive for Business and OneDriver Personal.
-
-This can be set to "none" to not use any hashes.
-
-If the hash requested does not exist on the object, it will be
-returned as an empty string which is treated as a missing hash by
-rclone.
-`,
-			Examples: []fs.OptionExample{{
-				Value: "auto",
-				Help:  "Rclone chooses the best hash",
-			}, {
-				Value: "quickxor",
-				Help:  "QuickXor",
-			}, {
-				Value: "sha1",
-				Help:  "SHA1",
-			}, {
-				Value: "sha256",
-				Help:  "SHA256",
-			}, {
-				Value: "crc32",
-				Help:  "CRC32",
-			}, {
-				Value: "none",
-				Help:  "None - don't use any hashes",
-			}},
-			Advanced: true,
-		}, {
-			Name:    "av_override",
-			Default: false,
-			Help: `Allows download of files the server thinks has a virus.
-
-The onedrive/sharepoint server may check files uploaded with an Anti
-Virus checker. If it detects any potential viruses or malware it will
-block download of the file.
-
-In this case you will see a message like this
-
-    server reports this file is infected with a virus - use --onedrive-av-override to download anyway: Infected (name of virus): 403 Forbidden: 
-
-If you are 100% sure you want to download this file anyway then use
-the --onedrive-av-override flag, or av_override = true in the config
-file.
 `,
 			Advanced: true,
 		}, {
@@ -573,7 +511,7 @@ Example: "https://contoso.sharepoint.com/sites/mysite" or "mysite"
 `)
 	case "url_end":
 		siteURL := config.Result
-		re := regexp.MustCompile(`https://.*\.sharepoint\.com/sites/(.*)`)
+		re := regexp.MustCompile(`https://.*\.sharepoint.com/sites/(.*)`)
 		match := re.FindStringSubmatch(siteURL)
 		if len(match) == 2 {
 			return chooseDrive(ctx, name, m, srv, chooseDriveOpt{
@@ -659,28 +597,25 @@ type Options struct {
 	LinkScope               string               `config:"link_scope"`
 	LinkType                string               `config:"link_type"`
 	LinkPassword            string               `config:"link_password"`
-	HashType                string               `config:"hash_type"`
-	AVOverride              bool                 `config:"av_override"`
 	Enc                     encoder.MultiEncoder `config:"encoding"`
 }

-// Fs represents a remote OneDrive
+// Fs represents a remote one drive
 type Fs struct {
 	name         string             // name of this remote
 	root         string             // the path we are working on
 	opt          Options            // parsed options
 	ci           *fs.ConfigInfo     // global config
 	features     *fs.Features       // optional features
-	srv          *rest.Client       // the connection to the OneDrive server
+	srv          *rest.Client       // the connection to the one drive server
 	dirCache     *dircache.DirCache // Map of directory path to directory id
 	pacer        *fs.Pacer          // pacer for API calls
 	tokenRenewer *oauthutil.Renew   // renew the token on expiry
 	driveID      string             // ID to use for querying Microsoft Graph
 	driveType    string             // https://developer.microsoft.com/en-us/graph/docs/api-reference/v1.0/resources/drive
-	hashType     hash.Type          // type of the hash we are using
 }

-// Object describes a OneDrive object
+// Object describes a one drive object
 //
 // Will definitely have info but maybe not meta
 type Object struct {
@@ -691,7 +626,8 @@ type Object struct {
 	size          int64     // size of the object
 	modTime       time.Time // modification time of the object
 	id            string    // ID of the object
-	hash          string    // Hash of the content, usually QuickXorHash but set as hash_type
+	sha1          string    // SHA-1 of the object content
+	quickxorhash  string    // QuickXorHash of the object content
 	mimeType      string    // Content-Type of object from server (may not be as uploaded)
 }

@@ -709,7 +645,7 @@ func (f *Fs) Root() string {

 // String converts this Fs to a string
 func (f *Fs) String() string {
-	return fmt.Sprintf("OneDrive root '%s'", f.root)
+	return fmt.Sprintf("One drive root '%s'", f.root)
 }

 // Features returns the optional features of this Fs
@@ -717,7 +653,7 @@ func (f *Fs) Features() *fs.Features {
 	return f.features
 }

-// parsePath parses a OneDrive 'url'
+// parsePath parses a one drive 'url'
 func parsePath(path string) (root string) {
 	root = strings.Trim(path, "/")
 	return
@@ -791,7 +727,7 @@ func shouldRetry(ctx context.Context, resp *http.Response, err error) (bool, err
 // "shared with me" folders in OneDrive Personal (See #2536, #2778)
 // This path pattern comes from https://github.com/OneDrive/onedrive-api-docs/issues/908#issuecomment-417488480
 //
-// If `relPath` == ”, do not append the slash (See #3664)
+// If `relPath` == '', do not append the slash (See #3664)
 func (f *Fs) readMetaDataForPathRelativeToID(ctx context.Context, normalizedID string, relPath string) (info *api.Item, resp *http.Response, err error) {
 	opts, _ := f.newOptsCallWithIDPath(normalizedID, relPath, true, "GET", "")

@@ -946,7 +882,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		driveType: opt.DriveType,
 		srv:       rest.NewClient(oAuthClient).SetRoot(rootURL),
 		pacer:     fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
-		hashType:  QuickXorHashType,
 	}
 	f.features = (&fs.Features{
 		CaseInsensitive:         true,
@@ -956,21 +891,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	}).Fill(ctx, f)
 	f.srv.SetErrorHandler(errorHandler)

-	// Set the user defined hash
-	if opt.HashType == "auto" || opt.HashType == "" {
-		opt.HashType = QuickXorHashType.String()
-	}
-	err = f.hashType.Set(opt.HashType)
-	if err != nil {
-		return nil, err
-	}
-
-	// Disable change polling in China region
-	// See: https://github.com/rclone/rclone/issues/6444
-	if f.opt.Region == regionCN {
-		f.features.ChangeNotify = nil
-	}
-
 	// Renew the token in the background
 	f.tokenRenewer = oauthutil.NewRenew(f.String(), ts, func() error {
 		_, _, err := f.readMetaDataForPath(ctx, "")
@@ -1217,7 +1137,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 // Creates from the parameters passed in a half finished Object which
 // must have setMetaData called on it
 //
-// Returns the object, leaf, directoryID and error.
+// Returns the object, leaf, directoryID and error
 //
 // Used to create new objects
 func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time, size int64) (o *Object, leaf string, directoryID string, err error) {
@@ -1236,7 +1156,7 @@ func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time,

 // Put the object into the container
 //
-// Copy the reader in to the new object which is returned.
+// Copy the reader in to the new object which is returned
 //
 // The new object may have been created if an error is returned
 func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
@@ -1360,9 +1280,9 @@ func (f *Fs) waitForJob(ctx context.Context, location string, o *Object) error {

 // Copy src to this remote using server-side copy operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1467,9 +1387,9 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {

 // Move src to this remote using server-side move operations.
 //
-// This is stored with the remote path given.
+// This is stored with the remote path given
 //
-// It returns the destination Object and a possible error.
+// It returns the destination Object and a possible error
 //
 // Will only be called if src.Fs().Name() == f.Name()
 //
@@ -1630,7 +1550,10 @@ func (f *Fs) About(ctx context.Context) (usage *fs.Usage, err error) {

 // Hashes returns the supported hash sets.
 func (f *Fs) Hashes() hash.Set {
-	return hash.Set(f.hashType)
+	if f.driveType == driveTypePersonal {
+		return hash.Set(hash.SHA1)
+	}
+	return hash.Set(QuickXorHashType)
 }

 // PublicLink returns a link for downloading without account.
@@ -1745,10 +1668,6 @@ func (f *Fs) CleanUp(ctx context.Context) error {
 	token := make(chan struct{}, f.ci.Checkers)
 	var wg sync.WaitGroup
 	err := walk.Walk(ctx, f, "", true, -1, func(path string, entries fs.DirEntries, err error) error {
-		if err != nil {
-			fs.Errorf(f, "Failed to list %q: %v", path, err)
-			return nil
-		}
 		err = entries.ForObjectError(func(obj fs.Object) error {
 			o, ok := obj.(*Object)
 			if !ok {
@@ -1843,8 +1762,14 @@ func (o *Object) rootPath() string {

 // Hash returns the SHA-1 of an object returning a lowercase hex string
 func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error) {
-	if t == o.fs.hashType {
-		return o.hash, nil
+	if o.fs.driveType == driveTypePersonal {
+		if t == hash.SHA1 {
+			return o.sha1, nil
+		}
+	} else {
+		if t == QuickXorHashType {
+			return o.quickxorhash, nil
+		}
 	}
 	return "", hash.ErrUnsupported
 }
@@ -1875,23 +1800,16 @@ func (o *Object) setMetaData(info *api.Item) (err error) {
 	file := info.GetFile()
 	if file != nil {
 		o.mimeType = file.MimeType
-		o.hash = ""
-		switch o.fs.hashType {
-		case QuickXorHashType:
-			if file.Hashes.QuickXorHash != "" {
-				h, err := base64.StdEncoding.DecodeString(file.Hashes.QuickXorHash)
-				if err != nil {
-					fs.Errorf(o, "Failed to decode QuickXorHash %q: %v", file.Hashes.QuickXorHash, err)
-				} else {
-					o.hash = hex.EncodeToString(h)
-				}
+		if file.Hashes.Sha1Hash != "" {
+			o.sha1 = strings.ToLower(file.Hashes.Sha1Hash)
+		}
+		if file.Hashes.QuickXorHash != "" {
+			h, err := base64.StdEncoding.DecodeString(file.Hashes.QuickXorHash)
+			if err != nil {
+				fs.Errorf(o, "Failed to decode QuickXorHash %q: %v", file.Hashes.QuickXorHash, err)
+			} else {
+				o.quickxorhash = hex.EncodeToString(h)
 			}
-		case hash.SHA1:
-			o.hash = strings.ToLower(file.Hashes.Sha1Hash)
-		case hash.SHA256:
-			o.hash = strings.ToLower(file.Hashes.Sha256Hash)
-		case hash.CRC32:
-			o.hash = strings.ToLower(file.Hashes.Crc32Hash)
 		}
 	}
 	fileSystemInfo := info.GetFileSystemInfo()
@@ -1925,6 +1843,7 @@ func (o *Object) readMetaData(ctx context.Context) (err error) {

 // ModTime returns the modification time of the object
 //
+//
 // It attempts to read the objects mtime and if that isn't present the
 // LastModified returned in the http headers
 func (o *Object) ModTime(ctx context.Context) time.Time {
@@ -1987,20 +1906,12 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 	var resp *http.Response
 	opts := o.fs.newOptsCall(o.id, "GET", "/content")
 	opts.Options = options
-	if o.fs.opt.AVOverride {
-		opts.Parameters = url.Values{"AVOverride": {"1"}}
-	}

 	err = o.fs.pacer.Call(func() (bool, error) {
 		resp, err = o.fs.srv.Call(ctx, &opts)
 		return shouldRetry(ctx, resp, err)
 	})
 	if err != nil {
-		if resp != nil {
-			if virus := resp.Header.Get("X-Virus-Infected"); virus != "" {
-				err = fmt.Errorf("server reports this file is infected with a virus - use --onedrive-av-override to download anyway: %s: %w", virus, err)
-			}
-		}
 		return nil, err
 	}

--- a/backend/onedrive/quickxorhash/quickxorhash.go
+++ b/backend/onedrive/quickxorhash/quickxorhash.go
@@ -7,40 +7,51 @@
 // See: https://docs.microsoft.com/en-us/onedrive/developer/code-snippets/quickxorhash
 package quickxorhash

-// This code was ported from a fast C-implementation from
-// https://github.com/namazso/QuickXorHash
-// which has licenced as BSD Zero Clause License
-//
-// BSD Zero Clause License
-//
-// Copyright (c) 2022 namazso <admin@namazso.eu>
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-// PERFORMANCE OF THIS SOFTWARE.
+// This code was ported from the code snippet linked from
+// https://docs.microsoft.com/en-us/onedrive/developer/code-snippets/quickxorhash
+// Which has the copyright

-import "hash"
+// ------------------------------------------------------------------------------
+//  Copyright (c) 2016 Microsoft Corporation
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+// ------------------------------------------------------------------------------
+
+import (
+	"hash"
+)

 const (
 	// BlockSize is the preferred size for hashing
 	BlockSize = 64
 	// Size of the output checksum
-	Size        = 20
-	shift       = 11
-	widthInBits = 8 * Size
-	dataSize    = shift * widthInBits
+	Size           = 20
+	bitsInLastCell = 32
+	shift          = 11
+	widthInBits    = 8 * Size
+	dataSize       = (widthInBits-1)/64 + 1
 )

 type quickXorHash struct {
-	data [dataSize]byte
-	size uint64
+	data        [dataSize]uint64
+	lengthSoFar uint64
+	shiftSoFar  int
 }

 // New returns a new hash.Hash computing the quickXorHash checksum.
@@ -59,37 +70,94 @@ func New() hash.Hash {
 //
 // Implementations must not retain p.
 func (q *quickXorHash) Write(p []byte) (n int, err error) {
-	var i int
-	// fill last remain
-	lastRemain := q.size % dataSize
-	if lastRemain != 0 {
-		i += xorBytes(q.data[lastRemain:], p)
+	currentshift := q.shiftSoFar
+
+	// The bitvector where we'll start xoring
+	vectorArrayIndex := currentshift / 64
+
+	// The position within the bit vector at which we begin xoring
+	vectorOffset := currentshift % 64
+	iterations := len(p)
+	if iterations > widthInBits {
+		iterations = widthInBits
 	}

-	if i != len(p) {
-		for len(p)-i >= dataSize {
-			i += xorBytes(q.data[:], p[i:])
+	for i := 0; i < iterations; i++ {
+		isLastCell := vectorArrayIndex == len(q.data)-1
+		var bitsInVectorCell int
+		if isLastCell {
+			bitsInVectorCell = bitsInLastCell
+		} else {
+			bitsInVectorCell = 64
+		}
+
+		// There's at least 2 bitvectors before we reach the end of the array
+		if vectorOffset <= bitsInVectorCell-8 {
+			for j := i; j < len(p); j += widthInBits {
+				q.data[vectorArrayIndex] ^= uint64(p[j]) << uint(vectorOffset)
+			}
+		} else {
+			index1 := vectorArrayIndex
+			var index2 int
+			if isLastCell {
+				index2 = 0
+			} else {
+				index2 = vectorArrayIndex + 1
+			}
+			low := byte(bitsInVectorCell - vectorOffset)
+
+			xoredByte := byte(0)
+			for j := i; j < len(p); j += widthInBits {
+				xoredByte ^= p[j]
+			}
+			q.data[index1] ^= uint64(xoredByte) << uint(vectorOffset)
+			q.data[index2] ^= uint64(xoredByte) >> low
+		}
+		vectorOffset += shift
+		for vectorOffset >= bitsInVectorCell {
+			if isLastCell {
+				vectorArrayIndex = 0
+			} else {
+				vectorArrayIndex = vectorArrayIndex + 1
+			}
+			vectorOffset -= bitsInVectorCell
 		}
-		xorBytes(q.data[:], p[i:])
 	}
-	q.size += uint64(len(p))
+
+	// Update the starting position in a circular shift pattern
+	q.shiftSoFar = (q.shiftSoFar + shift*(len(p)%widthInBits)) % widthInBits
+
+	q.lengthSoFar += uint64(len(p))
+
 	return len(p), nil
 }

 // Calculate the current checksum
-func (q *quickXorHash) checkSum() (h [Size + 1]byte) {
-	for i := 0; i < dataSize; i++ {
-		shift := (i * 11) % 160
-		shiftBytes := shift / 8
-		shiftBits := shift % 8
-		shifted := int(q.data[i]) << shiftBits
-		h[shiftBytes] ^= byte(shifted)
-		h[shiftBytes+1] ^= byte(shifted >> 8)
+func (q *quickXorHash) checkSum() (h [Size]byte) {
+	// Output the data as little endian bytes
+	ph := 0
+	for i := 0; i < len(q.data)-1; i++ {
+		d := q.data[i]
+		_ = h[ph+7] // bounds check
+		h[ph+0] = byte(d >> (8 * 0))
+		h[ph+1] = byte(d >> (8 * 1))
+		h[ph+2] = byte(d >> (8 * 2))
+		h[ph+3] = byte(d >> (8 * 3))
+		h[ph+4] = byte(d >> (8 * 4))
+		h[ph+5] = byte(d >> (8 * 5))
+		h[ph+6] = byte(d >> (8 * 6))
+		h[ph+7] = byte(d >> (8 * 7))
+		ph += 8
 	}
-	h[0] ^= h[20]
+	// remaining 32 bits
+	d := q.data[len(q.data)-1]
+	h[Size-4] = byte(d >> (8 * 0))
+	h[Size-3] = byte(d >> (8 * 1))
+	h[Size-2] = byte(d >> (8 * 2))
+	h[Size-1] = byte(d >> (8 * 3))

 	// XOR the file length with the least significant bits in little endian format
-	d := q.size
+	d = q.lengthSoFar
 	h[Size-8] ^= byte(d >> (8 * 0))
 	h[Size-7] ^= byte(d >> (8 * 1))
 	h[Size-6] ^= byte(d >> (8 * 2))
@@ -106,7 +174,7 @@ func (q *quickXorHash) checkSum() (h [Size + 1]byte) {
 // It does not change the underlying hash state.
 func (q *quickXorHash) Sum(b []byte) []byte {
 	hash := q.checkSum()
-	return append(b, hash[:Size]...)
+	return append(b, hash[:]...)
 }

 // Reset resets the Hash to its initial state.
@@ -128,10 +196,8 @@ func (q *quickXorHash) BlockSize() int {
 }

 // Sum returns the quickXorHash checksum of the data.
-func Sum(data []byte) (h [Size]byte) {
+func Sum(data []byte) [Size]byte {
 	var d quickXorHash
 	_, _ = d.Write(data)
-	s := d.checkSum()
-	copy(h[:], s[:])
-	return h
+	return d.checkSum()
 }
--- a/backend/onedrive/quickxorhash/quickxorhash_test.go
+++ b/backend/onedrive/quickxorhash/quickxorhash_test.go
@@ -4,7 +4,6 @@ import (
 	"encoding/base64"
 	"fmt"
 	"hash"
-	"math/rand"
 	"testing"

 	"github.com/stretchr/testify/assert"
@@ -167,16 +166,3 @@ func TestReset(t *testing.T) {

 // check interface
 var _ hash.Hash = (*quickXorHash)(nil)
-
-func BenchmarkQuickXorHash(b *testing.B) {
-	b.SetBytes(1 << 20)
-	buf := make([]byte, 1<<20)
-	rand.Read(buf)
-	h := New()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		h.Reset()
-		h.Write(buf)
-		h.Sum(nil)
-	}
-}
--- a/backend/onedrive/quickxorhash/xor.go
+++ b/backend/onedrive/quickxorhash/xor.go
@@ -1,20 +0,0 @@
-//go:build !go1.20
-
-package quickxorhash
-
-func xorBytes(dst, src []byte) int {
-	n := len(dst)
-	if len(src) < n {
-		n = len(src)
-	}
-	if n == 0 {
-		return 0
-	}
-	dst = dst[:n]
-	//src = src[:n]
-	src = src[:len(dst)] // remove bounds check in loop
-	for i := range dst {
-		dst[i] ^= src[i]
-	}
-	return n
-}
--- a/backend/onedrive/quickxorhash/xor_1.20.go
+++ b/backend/onedrive/quickxorhash/xor_1.20.go
@@ -1,9 +0,0 @@
-//go:build go1.20
-
-package quickxorhash
-
-import "crypto/subtle"
-
-func xorBytes(dst, src []byte) int {
-	return subtle.XORBytes(dst, src, dst)
-}
--- a/Show More
+++ b/Show More