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xfs: untangle SYNC_WAIT and SYNC_TRYLOCK meanings for xfs_qm_dqflush 

Only skip pinned dquots if SYNC_TRYLOCK is specified, and adjust the callers
to keep the behaviour unchanged.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Christoph Hellwig 2011-12-06 21:58:10 +00:00 committed by Ben Myers
parent b39342134a
commit fdedf28b94
3 changed files with 4 additions and 4 deletions
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2
fs/xfs/xfs_dquot.c
View File

@ -1169,7 +1169,7 @@ xfs_qm_dqflush(
* If not dirty, or it's pinned and we are not supposed to block, nada.
*/
if (!XFS_DQ_IS_DIRTY(dqp) ||
(!(flags & SYNC_WAIT) && atomic_read(&dqp->q_pincount) > 0)) {
((flags & SYNC_TRYLOCK) && atomic_read(&dqp->q_pincount) > 0)) {
xfs_dqfunlock(dqp);
return 0;
}

2
fs/xfs/xfs_dquot_item.c
View File

@ -133,7 +133,7 @@ xfs_qm_dquot_logitem_push(
* lock without sleeping, then there must not have been
* anyone in the process of flushing the dquot.
*/
error = xfs_qm_dqflush(dqp, 0);
error = xfs_qm_dqflush(dqp, SYNC_TRYLOCK);
if (error)
xfs_warn(dqp->q_mount, "%s: push error %d on dqp %p",
__func__, error, dqp);

4
fs/xfs/xfs_qm.c
View File

@ -1661,7 +1661,7 @@ xfs_qm_quotacheck(
* successfully.
*/
if (!error)
error = xfs_qm_dqflush_all(mp, 0);
error = xfs_qm_dqflush_all(mp, SYNC_TRYLOCK);
/*
* We can get this error if we couldn't do a dquot allocation inside
@ -1874,7 +1874,7 @@ again:
* We flush it delayed write, so don't bother
* releasing the freelist lock.
*/
error = xfs_qm_dqflush(dqp, 0);
error = xfs_qm_dqflush(dqp, SYNC_TRYLOCK);
if (error) {
xfs_warn(mp, "%s: dquot %p flush failed",
__func__, dqp);