[PATCH] ocfs2: only checkpoint journal when asked to

Disable automatic checkpointing of the journal - this is a relic from older
ocfs2 days. Worth quite a bit of performance on longer running single node
tests.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index fa0bcac..d329c9d 100644 (file)
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1584,10 +1584,9 @@ static int ocfs2_commit_thread(void *arg)
        while (!(kthread_should_stop() &&
                 atomic_read(&journal->j_num_trans) == 0)) {
 
-               wait_event_interruptible_timeout(osb->checkpoint_event,
-                                                atomic_read(&journal->j_num_trans)
-                                                || kthread_should_stop(),
-                                                OCFS2_CHECKPOINT_INTERVAL);
+               wait_event_interruptible(osb->checkpoint_event,
+                                        atomic_read(&journal->j_num_trans)
+                                        || kthread_should_stop());
 
                status = ocfs2_commit_cache(osb);
                if (status < 0)

diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 7d0a816..2f3a6ac 100644 (file)
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -29,8 +29,6 @@
 #include <linux/fs.h>
 #include <linux/jbd.h>
 
-#define OCFS2_CHECKPOINT_INTERVAL        (8 * HZ)
-
 enum ocfs2_journal_state {
        OCFS2_JOURNAL_FREE = 0,
        OCFS2_JOURNAL_LOADED,