linux-kernel - Re: [PATCH V8 0/3] blk-mq: refactor code of issue request directly

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Message-ID: <4383ef8a-4418-e341-d36d-bcbc0557c4a9@kernel.dk>
Date:   Tue, 4 Dec 2018 20:07:13 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     "jianchao.wang" <jianchao.w.wang@...cle.com>
Cc:     ming.lei@...hat.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V8 0/3] blk-mq: refactor code of issue request directly

On 12/4/18 8:01 PM, jianchao.wang wrote:
> 
> 
> On 12/5/18 10:58 AM, Jens Axboe wrote:
>> On 11/14/18 8:12 PM, Jianchao Wang wrote:
>>> Hi Jens
>>>
>>> Please consider this patchset for 4.21.
>>> It refactors the code of issue request directly to unify the interface
>>> and make the code clearer and more readable.
>>>
>>> The 1st patch refactors the code of issue request directly to unify the
>>> helper interface which could handle all the cases.
>>>
>>> The 2nd patch make blk_mq_sched_insert_requests issue requests directly
>>> with 'bypass' false, then it needn't to handle the non-issued requests
>>> any more.
>>>
>>> The 3rd patch replace and kill the blk_mq_request_issue_directly.
>>
>> I'd love to get this queued up, the direct dispatch path is a mess and
>> it's even now been known to cause corruptions... I'm going to queue
>> up the direct dispatch fix shortly, and apply it to for-4.21/block
>> as well. Any chance you can respin this on top after that?
>>
> 
> OK, I will do now.

Thanks!

-- 
Jens Axboe