linux-kernel - Re: [PATCH 3/8] block: move rq

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Message-ID: <f9d3a21d-0ffc-4b54-6e27-48d8befab1b5@fb.com>
Date:   Tue, 20 Dec 2016 08:46:49 -0700
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>, <osandov@...com>
Subject: Re: [PATCH 3/8] block: move rq_ioc() to blk.h

On 12/20/2016 03:12 AM, Paolo Valente wrote:
> 
>> Il giorno 17 dic 2016, alle ore 01:12, Jens Axboe <axboe@...com> ha scritto:
>>
>> We want to use it outside of blk-core.c.
>>
> 
> Hi Jens,
> no hooks equivalent to elevator_init_icq_fn and elevator_exit_icq_fn
> are invoked.  In particular, the second hook let bfq (as with cfq)
> know when it could finally exit the queue associated with the icq.
> I'm trying to figure out how to make it without these hooks/signals,
> but at no avail so far ...

Yep, those need to be added.

-- 
Jens Axboe