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xfs: group quota should return EDQUOT when prj quota enabled

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Long ago, group & project quota were mutually exclusive, and so
when we turned on XFS_QMOPT_ENOSPC ("return ENOSPC if project quota
is exceeded") when project quota was enabled, we only needed to
disable it again for user quota.

When group & project quota got separated, this got missed, and as a
result if project quota is enabled and group quota is exceeded, the
error code returned is incorrectly returned as ENOSPC not EDQUOT.

Fix this by stripping XFS_QMOPT_ENOSPC out of flags for group
quota when we try to reserve the space.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Eric Sandeen
2020-05-21 13:06:59 -07:00
committed by Darrick J. Wong
parent b41b46c20c
commit c8d329f311
1 changed files with 2 additions and 1 deletions
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3
fs/xfs/xfs_trans_dquot.c
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@@ -758,7 +758,8 @@ xfs_trans_reserve_quota_bydquots(
}
if (gdqp) {
error = xfs_trans_dqresv(tp, mp, gdqp, nblks, ninos, flags);
error = xfs_trans_dqresv(tp, mp, gdqp, nblks, ninos,
(flags & ~XFS_QMOPT_ENOSPC));
if (error)
goto unwind_usr;
}