linux-kernel - Re: [PATCH 1/1] io-wq: close cancel gap for hashed linked work

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Date:   Sun, 22 Mar 2020 20:31:27 +0300
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] io-wq: close cancel gap for hashed linked work

On 22/03/2020 20:04, Jens Axboe wrote:
> On 3/22/20 10:14 AM, Pavel Begunkov wrote:
>> After io_assign_current_work() of a linked work, it can be decided to
>> offloaded to another thread so doing io_wqe_enqueue(). However, until
>> next io_assign_current_work() it can be cancelled, that isn't handled.
>>
>> Don't assign it, if it's not going to be executed.
> 
> This needs a Fixes: line as well. I'm guessing like this:
> 
> Fixes: 60cf46ae6054 ("io-wq: hash dependent work")
> 
> but I didn't look too closely yet... Fix looks good, though.

Yep, this one

-- 
Pavel Begunkov



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