linux-kernel - Re: [PATCH 3/5] io_uring: fix reassigning work.task

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Date:   Tue, 11 Feb 2020 13:21:46 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Pavel Begunkov <asml.silence@...il.com>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] io_uring: fix reassigning work.task_pid from io-wq

On 2/11/20 1:01 PM, Pavel Begunkov wrote:
> If a request got into io-wq context, io_prep_async_work() has already
> been called. Most of the stuff there is idempotent with an exception
> that it'll set work.task_pid to task_pid_vnr() of an io_wq worker thread
> 
> Do only what's needed, that's io_prep_linked_timeout() and setting
> IO_WQ_WORK_UNBOUND.

Rest of the series aside, I'm going to fix-up the pid addition to
only set if it's zero like the others.

-- 
Jens Axboe