linux-kernel - Re: [PATCHSET v4] blk-mq-scheduling framework

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Date:   Wed, 18 Jan 2017 08:21:20 -0800
From:   Jens Axboe <axboe@...com>
To:     Paolo Valente <paolo.valente@...aro.org>
CC:     Jens Axboe <axboe@...nel.dk>, <linux-block@...r.kernel.org>,
        Linux-Kernal <linux-kernel@...r.kernel.org>,
        Omar Sandoval <osandov@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCHSET v4] blk-mq-scheduling framework

On 01/18/2017 08:14 AM, Paolo Valente wrote:
> according to the function blk_mq_sched_put_request, the
> mq.completed_request hook seems to always be invoked (if set) for a
> request for which the mq.put_rq_priv is invoked (if set).

Correct, any request that came out of blk_mq_sched_get_request()
will always have completed called on it, regardless of whether it
had IO started on it or not.

-- 
Jens Axboe