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Date: Thu, 22 Dec 2016 16:20:06 +0100 From: Paolo Valente <paolo.valente@...aro.org> To: Jens Axboe <axboe@...com> Cc: linux-block@...r.kernel.org, Linux-Kernal <linux-kernel@...r.kernel.org>, osandov@...com Subject: Re: [PATCH 6/8] blk-mq-sched: add framework for MQ capable IO schedulers > Il giorno 21 dic 2016, alle ore 03:22, Jens Axboe <axboe@...com> ha scritto: > > On Tue, Dec 20 2016, Paolo Valente wrote: >>> + else >>> + rq = __blk_mq_alloc_request(data, op); >>> + >>> + if (rq) { >>> + rq->elv.icq = NULL; >>> + if (e && e->type->icq_cache) >>> + blk_mq_sched_assign_ioc(q, rq, bio); >> >> bfq needs rq->elv.icq to be consistent in bfq_get_request, but the >> needed initialization seems to occur only after mq.get_request is >> invoked. > > Can you do it from get/put_rq_priv? Definitely, I just overlooked them, sorry :( Thanks, Paolo > The icq is assigned there. If not, > we can redo this part, not a big deal. > > -- > Jens Axboe > > -- > To unsubscribe from this list: send the line "unsubscribe linux-block" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
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