1 files changed, 21 insertions, 25 deletions

diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index f8e854b4fde..206a2815ced 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1863,12 +1863,14 @@ xfs_qm_dqreclaim_one(void)
         xfs_dquot_t     *dqpout;
         xfs_dquot_t     *dqp;
         int             restarts;
+        int             startagain;
 
         restarts = 0;
         dqpout = NULL;
 
         /* lockorder: hashchainlock, freelistlock, mplistlock, dqlock, dqflock */
-startagain:
+again:
+        startagain = 0;
         mutex_lock(&xfs_Gqm->qm_dqfrlist_lock);
 
         list_for_each_entry(dqp, &xfs_Gqm->qm_dqfrlist, q_freelist) {
@@ -1885,13 +1887,10 @@ startagain:
                         ASSERT(! (dqp->dq_flags & XFS_DQ_INACTIVE));
 
                         trace_xfs_dqreclaim_want(dqp);
-
-                        xfs_dqunlock(dqp);
-                        mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
-                        if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
-                                return NULL;
                         XQM_STATS_INC(xqmstats.xs_qm_dqwants);
-                        goto startagain;
+                        restarts++;
+                        startagain = 1;
+                        goto dqunlock;
                 }
 
                 /*
@@ -1906,23 +1905,20 @@ startagain:
                         ASSERT(list_empty(&dqp->q_mplist));
                         list_del_init(&dqp->q_freelist);
                         xfs_Gqm->qm_dqfrlist_cnt--;
-                        xfs_dqunlock(dqp);
                         dqpout = dqp;
                         XQM_STATS_INC(xqmstats.xs_qm_dqinact_reclaims);
-                        break;
+                        goto dqunlock;
                 }
 
                 ASSERT(dqp->q_hash);
                 ASSERT(!list_empty(&dqp->q_mplist));
 
                 /*
-                 * Try to grab the flush lock. If this dquot is in the process of
-                 * getting flushed to disk, we don't want to reclaim it.
+                 * Try to grab the flush lock. If this dquot is in the process
+                 * of getting flushed to disk, we don't want to reclaim it.
                  */
-                if (!xfs_dqflock_nowait(dqp)) {
-                        xfs_dqunlock(dqp);
-                        continue;
-                }
+                if (!xfs_dqflock_nowait(dqp))
+                        goto dqunlock;
 
                 /*
                  * We have the flush lock so we know that this is not in the
@@ -1944,8 +1940,7 @@ startagain:
                                 xfs_fs_cmn_err(CE_WARN, mp,
                         "xfs_qm_dqreclaim: dquot %p flush failed", dqp);
                         }
-                        xfs_dqunlock(dqp); /* dqflush unlocks dqflock */
-                        continue;
+                        goto dqunlock;
                 }
 
                 /*
@@ -1967,13 +1962,8 @@ startagain:
                  */
                 if (!mutex_trylock(&mp->m_quotainfo->qi_dqlist_lock)) {
                         restarts++;
-                        mutex_unlock(&dqp->q_hash->qh_lock);
-                        xfs_dqfunlock(dqp);
-                        xfs_dqunlock(dqp);
-                        mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
-                        if (restarts++ >= XFS_QM_RECLAIM_MAX_RESTARTS)
-                                return NULL;
-                        goto startagain;
+                        startagain = 1;
+                        goto qhunlock;
                 }
 
                 ASSERT(dqp->q_nrefs == 0);
@@ -1986,14 +1976,20 @@ startagain:
                 xfs_Gqm->qm_dqfrlist_cnt--;
                 dqpout = dqp;
                 mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock);
+qhunlock:
                 mutex_unlock(&dqp->q_hash->qh_lock);
 dqfunlock:
                 xfs_dqfunlock(dqp);
+dqunlock:
                 xfs_dqunlock(dqp);
                 if (dqpout)
                         break;
                 if (restarts >= XFS_QM_RECLAIM_MAX_RESTARTS)
-                        return NULL;
+                        break;
+                if (startagain) {
+                        mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
+                        goto again;
+                }
         }
         mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock);
         return dqpout;