Messages in this thread |  | | Date | Mon, 2 Apr 2018 14:10:47 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 2/2] blk-mq: Fix request handover from timeout path to normal execution |
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On Mon, Apr 02, 2018 at 02:08:37PM -0700, Bart Van Assche wrote: > On 04/02/18 12:01, Tejun Heo wrote: > >+ * As nothing prevents from completion happening while > >+ * ->aborted_gstate is set, this may lead to ignored completions > >+ * and further spurious timeouts. > >+ */ > >+ if (rq->rq_flags & RQF_MQ_TIMEOUT_RESET) > >+ blk_mq_rq_update_aborted_gstate(rq, 0); > > Hello Tejun, > > Since this patch fixes one race but introduces another race, is this > patch really an improvement?
Oh, that's not a new race. That's the same non-critical race which always existed. It's just being documented.
Thanks.
-- tejun
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