btrfs-quota (8)

btrfs quota <subcommand> <args>

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).

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).

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

btrfs is part of btrfs-progs. Please refer to the btrfs wiki \m[blue]http://btrfs.wiki.kernel.org\m[] for further details.

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