[Ocfs2-devel] [PATCH 4/4] ocfs2: Add some trace log for orphan scan.
Tao Ma
tao.ma at oracle.com
Sun Aug 1 20:02:15 PDT 2010
Now orphan scan worker has no trace log, so it is
very hard to tell whether it is finished or blocked.
So add 2 mlog trace log so that we can tell whether
the current orphan scan worker is blocked or not.
It does help when I analyzed an orphan scan bug.
Signed-off-by: Tao Ma <tao.ma at oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>
---
fs/ocfs2/journal.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index ac2ea71..9209f19 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1887,6 +1887,8 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)
goto out;
+ mlog(0, "Begin orphan scan\n");
+
status = ocfs2_orphan_scan_lock(osb, &seqno);
if (status < 0) {
if (status != -EAGAIN)
@@ -1915,6 +1917,7 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
os->os_scantime = CURRENT_TIME;
unlock:
ocfs2_orphan_scan_unlock(osb, seqno);
+ mlog(0, "Orphan scan completed\n");
out:
return;
}
--
1.7.1.571.gba4d01
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