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ocfs2 patch to track delayed orphan scan timer statistics

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Patch to track delayed orphan scan timer statistics.

Modifies ocfs2_osb_dump to print the following:
  Orphan Scan=> Local: 10  Global: 21  Last Scan: 67 seconds ago

Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Srinivas Eeda
2009-06-03 17:02:56 -07:00
committed by Joel Becker
parent 83273932fb
commit 15633a220f
3 changed files with 15 additions and 1 deletions
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4
fs/ocfs2/journal.c
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@@ -1900,6 +1900,8 @@ void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
* number and update LVB so other node will skip the scan for a while
*/
seqno++;
os->os_count++;
os->os_scantime = CURRENT_TIME;
unlock:
ocfs2_orphan_scan_unlock(osb, seqno, DLM_LOCK_EX);
out:
@@ -1939,6 +1941,8 @@ int ocfs2_orphan_scan_init(struct ocfs2_super *osb)
os = &osb->osb_orphan_scan;
os->os_osb = osb;
os->os_count = 0;
os->os_scantime = CURRENT_TIME;
mutex_init(&os->os_lock);
INIT_DELAYED_WORK(&os->os_orphan_scan_work,