diff --git a/[refs] b/[refs]
index 272d6f9b9812..bd33a70d25fa 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c3723ca3874a8fc2218c4726d57e3a7da9e83e47
+refs/heads/master: 772279c5f1dceb58d451dca94b557fd89b1ce890
diff --git a/trunk/fs/jbd/commit.c b/trunk/fs/jbd/commit.c
index cd931ef1f000..5a8ca61498ca 100644
--- a/trunk/fs/jbd/commit.c
+++ b/trunk/fs/jbd/commit.c
@@ -470,7 +470,9 @@ void journal_commit_transaction(journal_t *journal)
 	 * transaction!  Now comes the tricky part: we need to write out
 	 * metadata.  Loop over the transaction's entire buffer list:
 	 */
+	spin_lock(&journal->j_state_lock);
 	commit_transaction->t_state = T_COMMIT;
+	spin_unlock(&journal->j_state_lock);
 
 	J_ASSERT(commit_transaction->t_nr_buffers <=
 		 commit_transaction->t_outstanding_credits);