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SubjectRe: [PATCH v1 2/3] blk-mq: comment on races related with timeout handler
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On 03/17/2017 10:57 AM, Ming Lei wrote:
> This patch adds comment on two races related with
> timeout handler:
>
> - requeue from queue busy vs. timeout
> - rq free & reallocation vs. timeout
>
> Both the races themselves and current solution aren't
> explicit enough, so add comments on them.
>
> Cc: Bart Van Assche <bart.vanassche@sandisk.com>
> Signed-off-by: Ming Lei <tom.leiming@gmail.com>
> ---
> block/blk-mq.c | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)

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