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(parent: 90c7674) | patch
btrfs: qgroup: return EINVAL if level of parent is not higher than child's.
authorDongsheng Yang <yangds.fnst@cn.fujitsu.com>
Tue, 11 Nov 2014 12:18:22 +0000 (07:18 -0500)
committerZygo Blaxell <zblaxell@serenity.furryterror.org>
Wed, 22 Apr 2015 16:26:36 +0000 (12:26 -0400)
commit31cb2797238634631d258b513816fed3d0394fc7
treeef95f9ca17dd310da12dcf07b50aad9d8d01610atree | snapshot
parent90c76743f31b5f08735beaba68b2d7dc1a781384commit | diff
btrfs: qgroup: return EINVAL if level of parent is not higher than child's.

When we create a subvol inheriting a qgroup, we need to check the level
of them. Otherwise, there is a chance a qgroup can inherit another qgroup
at the same level.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
(cherry picked from commit 09870d2772b284d0061a5e4d1e1cdf6fb6764344)
fs/btrfs/qgroup.c diff | blob | history
Linux kernels and configurations used by Zygo.