X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fjbd%2Fcommit.c;h=72ffa974b0b8d52852e25d7e016f7b4f1fc50b4a;hb=4a7df24ddc7097cd789a7527187826552ea0765e;hp=69b18045946330a5a35c54226094ca0dc657a903;hpb=e04d6c53a58cee3380adaa66fe2eeffbd82d213c;p=pandora-kernel.git

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 69b180459463..72ffa974b0b8 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -302,12 +302,6 @@ void journal_commit_transaction(journal_t *journal)
 	 * all outstanding updates to complete.
 	 */
 
-#ifdef COMMIT_STATS
-	spin_lock(&journal->j_list_lock);
-	summarise_journal_usage(journal);
-	spin_unlock(&journal->j_list_lock);
-#endif
-
 	/* Do we need to erase the effects of a prior journal_flush? */
 	if (journal->j_flags & JFS_FLUSHED) {
 		jbd_debug(3, "super block updated\n");
@@ -722,8 +716,13 @@ wait_for_iobuf:
                    required. */
 		JBUFFER_TRACE(jh, "file as BJ_Forget");
 		journal_file_buffer(jh, commit_transaction, BJ_Forget);
-		/* Wake up any transactions which were waiting for this
-		   IO to complete */
+		/*
+		 * Wake up any transactions which were waiting for this
+		 * IO to complete. The barrier must be here so that changes
+		 * by journal_file_buffer() take effect before wake_up_bit()
+		 * does the waitqueue check.
+		 */
+		smp_mb();
 		wake_up_bit(&bh->b_state, BH_Unshadow);
 		JBUFFER_TRACE(jh, "brelse shadowed buffer");
 		__brelse(bh);