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xfs: xfs_inode_free_quota_blocks should scan project quota 

Buffered writers who have run out of quota reservation call
xfs_inode_free_quota_blocks to try to free any space reservations that
might reduce the quota usage.  Unfortunately, the buffered write path
treats "out of project quota" the same as "out of overall space" so this
function has never supported scanning for space that might ease an "out
of project quota" condition.

We're about to start using this function for cases where we actually
/can/ tell if we're out of project quota, so add in this functionality.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2021-01-22 16:48:35 -08:00
parent f41a0716f4
commit 9a537de3b0
1 changed files with 9 additions and 0 deletions
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9
fs/xfs/xfs_icache.c
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@ -1434,6 +1434,15 @@ xfs_inode_free_quota_blocks(
}
}
if (XFS_IS_PQUOTA_ENFORCED(ip->i_mount)) {
dq = xfs_inode_dquot(ip, XFS_DQTYPE_PROJ);
if (dq && xfs_dquot_lowsp(dq)) {
eofb.eof_prid = ip->i_d.di_projid;
eofb.eof_flags |= XFS_EOF_FLAGS_PRID;
do_work = true;
}
}
if (!do_work)
return false;