Re: [PATCH 6/8] blk-mq-sched: add framework for MQ capable IO schedulers

From: Paolo Valente
Date: Thu Dec 22 2016 - 10:20:14 EST



> Il giorno 21 dic 2016, alle ore 03:22, Jens Axboe <axboe@xxxxxx> 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@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html