[Ocfs2-devel] [PATCH] ocfs2: Add some trace log for orphan scan.

[Sunil Mushran]

Signed-off-by: Sunil Mushran<sunil.mushran at oracle.com>


On 05/31/2010 10:58 PM, Tao Ma wrote:
> 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 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 47878cf..776ab2f 100644
> --- a/fs/ocfs2/journal.c
> +++ b/fs/ocfs2/journal.c
> @@ -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;
>   }
>
>