btrfs-quota <root
BTRFS-QUOTA(8)                             Btrfs Manual                            BTRFS-QUOTA(8)

NAME
       btrfs-quota - control the quota of a btrfs filesystem

SYNOPSIS
       btrfs quota  

DESCRIPTION
       btrfs quota is used to enable/disable or rescan subvolume quota of a btrfs filesystem.

       For setting quota or other quota operations on a btrfs filesystem, please see
       btrfs-qgroup(8) for details.

           Warning
           Quota and qgroup in btrfs filesystem is not stable and impacts performance in mainline
           kernel yet(v3.14 so far).

SUBCOMMAND
       disable 
           Disable subvolume quota support for a filesystem.

       enable 
           Enable subvolume quota support for a filesystem.

       rescan [-s] 
           Trash all qgroup numbers and scan the metadata again with the current config.

           Options

           -s
               show status of a running rescan operation.

           -w
               wait for rescan operation to finish(can be already in progress).

EXIT STATUS
       btrfs quota returns a zero exit status if it succeeds. Non zero is returned in case of
       failure.

AVAILABILITY
       btrfs is part of btrfs-progs. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org
       for further details.

SEE ALSO
       mkfs.btrfs(8), btrfs-subvolume(8), btrfs-qgroup(8)

Btrfs v4.4                                  01/19/2016                             BTRFS-QUOTA(8)

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