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authorChristoph Hellwig <hch@infradead.org>2011-12-06 22:58:21 +0100
committerBen Myers <bpm@sgi.com>2011-12-16 22:33:30 +0100
commit28fb588c9bd810dec273d96e80591392f6ce1e1c (patch)
treea45ca1155de23900b194d7406ea772f48d328894
parentxfs: fix acl count validation in xfs_acl_from_disk() (diff)
downloadlinux-28fb588c9bd810dec273d96e80591392f6ce1e1c.tar.xz
linux-28fb588c9bd810dec273d96e80591392f6ce1e1c.zip
xfs: simplify xfs_qm_detach_gdquots
There is no reason to drop qi_dqlist_lock around calls to xfs_qm_dqrele because the free list lock now nests inside qi_dqlist_lock and the dquot lock. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
-rw-r--r--fs/xfs/xfs_qm.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index b8df0bda5a54..671f37eae1c7 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -449,7 +449,6 @@ xfs_qm_detach_gdquots(
{
struct xfs_quotainfo *q = mp->m_quotainfo;
struct xfs_dquot *dqp, *gdqp;
- int nrecl;
again:
ASSERT(mutex_is_locked(&q->qi_dqlist_lock));
@@ -462,25 +461,14 @@ xfs_qm_detach_gdquots(
mutex_lock(&q->qi_dqlist_lock);
goto again;
}
- if ((gdqp = dqp->q_gdquot)) {
- xfs_dqlock(gdqp);
+
+ gdqp = dqp->q_gdquot;
+ if (gdqp)
dqp->q_gdquot = NULL;
- }
xfs_dqunlock(dqp);
- if (gdqp) {
- /*
- * Can't hold the mplist lock across a dqput.
- * XXXmust convert to marker based iterations here.
- */
- nrecl = q->qi_dqreclaims;
- mutex_unlock(&q->qi_dqlist_lock);
- xfs_qm_dqput(gdqp);
-
- mutex_lock(&q->qi_dqlist_lock);
- if (nrecl != q->qi_dqreclaims)
- goto again;
- }
+ if (gdqp)
+ xfs_qm_dqrele(gdqp);
}
}