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ocfs2: Add some trace log for orphan scan. 

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 a orphan scan bug.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Tao Ma 2010-06-01 13:58:13 +08:00 committed by Joel Becker
parent ddee5cdb70
commit 3c3f20c981
1 changed files with 3 additions and 0 deletions
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3
fs/ocfs2/journal.c
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@ -1888,6 +1888,8 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
os = &osb->osb_orphan_scan;
mlog(0, "Begin orphan scan\n");
if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)
goto out;
@ -1920,6 +1922,7 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
unlock:
ocfs2_orphan_scan_unlock(osb, seqno);
out:
mlog(0, "Orphan scan completed\n");
return;
}