From: Jens Axboe <axboe@kernel.dk>
To: Hao Xu <haoxu@linux.alibaba.com>
Cc: io-uring@vger.kernel.org, Joseph Qi <joseph.qi@linux.alibaba.com>,
Pavel Begunkov <asml.silence@gmail.com>
Subject: Re: [PATCH v3] io_uring: implement async hybrid mode for pollable requests
Date: Fri, 22 Oct 2021 19:21:10 -0600 [thread overview]
Message-ID: <163495207088.110422.9180917246816381390.b4-ty@kernel.dk> (raw)
In-Reply-To: <20211018133445.103438-1-haoxu@linux.alibaba.com>
On Mon, 18 Oct 2021 21:34:45 +0800, Hao Xu wrote:
> The current logic of requests with IOSQE_ASYNC is first queueing it to
> io-worker, then execute it in a synchronous way. For unbound works like
> pollable requests(e.g. read/write a socketfd), the io-worker may stuck
> there waiting for events for a long time. And thus other works wait in
> the list for a long time too.
> Let's introduce a new way for unbound works (currently pollable
> requests), with this a request will first be queued to io-worker, then
> executed in a nonblock try rather than a synchronous way. Failure of
> that leads it to arm poll stuff and then the worker can begin to handle
> other works.
> The detail process of this kind of requests is:
>
> [...]
Applied, thanks!
[1/1] io_uring: implement async hybrid mode for pollable requests
commit: 90fa02883f063b971ebfd9f5b2184b38b83b7ee3
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2021-10-23 1:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-18 13:34 [PATCH v3] io_uring: implement async hybrid mode for pollable requests Hao Xu
2021-10-22 3:43 ` Hao Xu
2021-10-22 9:27 ` Pavel Begunkov
2021-10-22 19:49 ` Pavel Begunkov
2021-10-23 1:21 ` Jens Axboe [this message]
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