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)