Re: [PATCH] block: Add nr_bios to block_rq_remap tracepoint

From: Jens Axboe
Date: Sat Sep 21 2013 - 15:58:31 EST


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@xxxxxxxxxxxxx>
> Acked-by: Mike Snitzer <snitzer@xxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>

Thanks, added.

--
Jens Axboe

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