fs/accounting: add remote control of bwlimit

docs/content/docs.md

@@ -306,6 +306,11 @@ running, you can toggle the limiter like this:
 
     kill -SIGUSR2 $(pidof rclone)
 
+If you configure rclone with a [remote control](/rc) then you can use
+change the bwlimit dynamically:
+
+    rclone rc core/bwlimit rate=1M
+
 ### --buffer-size=SIZE ###
 
 Use this sized buffer to speed up file transfers.  Each `--transfer`

docs/content/rc.md

@@ -69,10 +69,20 @@ control commands.
 
 ## Supported commands
 
+### core/bwlimit: Set the bandwidth limit.
+
+This sets the bandwidth limit to that passed in.
+
+Eg
+
+    rclone core/bwlimit rate=1M
+    rclone core/bwlimit rate=off
+
 ### cache/expire: Purge a remote from cache
 
 Purge a remote from the cache backend. Supports either a directory or a file.
 Params:
+
   - remote = path to remote (required)
   - withData = true/false to delete cached data (chunks) as well (optional)