1 files changed, 3 insertions, 3 deletions

diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 81976ffed7d6..3a1d229b4784 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -150,17 +150,17 @@ xfs_inode_ag_iter_next_pag(
                 int found;
                 int ref;
 
-                spin_lock(&mp->m_perag_lock);
+                rcu_read_lock();
                 found = radix_tree_gang_lookup_tag(&mp->m_perag_tree,
                                 (void **)&pag, *first, 1, tag);
                 if (found <= 0) {
-                        spin_unlock(&mp->m_perag_lock);
+                        rcu_read_unlock();
                         return NULL;
                 }
                 *first = pag->pag_agno + 1;
                 /* open coded pag reference increment */
                 ref = atomic_inc_return(&pag->pag_ref);
-                spin_unlock(&mp->m_perag_lock);
+                rcu_read_unlock();
                 trace_xfs_perag_get_reclaim(mp, pag->pag_agno, ref, _RET_IP_);
         } else {
                 pag = xfs_perag_get(mp, *first);