btrfs-progs/Documentation/btrfs-quota.txt

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btrfs-quota(8)
==============
NAME
----
btrfs-quota - control the quota of a btrfs filesystem
SYNOPSIS
--------
'btrfs quota' <subcommand> <args>
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
----------
'enable' <path>::
Enable subvolume quota support for a filesystem.
'disable' <path>::
Disable subvolume quota support for a filesystem.
'rescan' [-s] <path>::
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 exist status if it succeeds. Non zero is
returned in case of failure.
AVAILABILITY
------------
'btrfs' is part of btrfs-progs. Btrfs filesystem is currently under heavy
development,
and not suitable for any uses other than benchmarking and review.
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)