[dm-devel] [PATCH] block: Add nr_bios to block_rq_remap tracepoint
Jens Axboe
axboe at kernel.dk
Sat Sep 21 19:58:14 UTC 2013
On Tue, Sep 17 2013, Jun'ichi Nomura wrote:
> Adding the number of bios in a remapped request to 'block_rq_remap'
> tracepoint.
>
> Request remapper clones bios in a request to track the completion
> status of each bio. So the number of bios can be useful information
> for investigation.
>
> Related discussions:
> http://www.redhat.com/archives/dm-devel/2013-August/msg00084.html
> http://www.redhat.com/archives/dm-devel/2013-September/msg00024.html
>
> Signed-off-by: Jun'ichi Nomura <j-nomura at ce.jp.nec.com>
> Acked-by: Mike Snitzer <snitzer at redhat.com>
> Cc: Jens Axboe <axboe at kernel.dk>
Thanks, added.
--
Jens Axboe
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