Re: [PATCH v1 2/3] blk-mq: comment on races related with timeout handler

[Hannes Reinecke]

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@xxxxxxxxxxx>
> Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
> ---
>  block/blk-mq.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 

Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

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