From: Pavel Begunkov <asml.silence@gmail.com>
To: Hao Xu <haoxu@linux.alibaba.com>, Jens Axboe <axboe@kernel.dk>,
io-uring@vger.kernel.org
Subject: Re: [PATCH 3/3] io_uring: don't spinlock when not posting CQEs
Date: Sat, 11 Sep 2021 22:10:51 +0100 [thread overview]
Message-ID: <ddf1be22-4fce-8e50-851f-d898d1dcc502@gmail.com> (raw)
In-Reply-To: <1cc2816e-bf18-fbb9-b5ed-e8786babc4fc@linux.alibaba.com>
On 9/11/21 9:12 PM, Hao Xu wrote:
> 在 2021/9/11 下午9:52, Pavel Begunkov 写道:
>> When no of queued for the batch completion requests need to post an CQE,
>> see IOSQE_CQE_SKIP_SUCCESS, avoid grabbing ->completion_lock and other
>> commit/post.
It does what it says -- skips CQE posting on success. On failure it'd
still generate a completion. I was thinking about IOSQE_SKIP_CQE, but
I think it may be confusing.
Any other options to make it more clear?
--
Pavel Begunkov
next prev parent reply other threads:[~2021-09-11 21:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-11 13:51 [RFC][PATCH 0/3] allow to skip CQE posting Pavel Begunkov
2021-09-11 13:52 ` [PATCH 1/3] io_uring: clean cqe filling functions Pavel Begunkov
2021-09-12 18:24 ` Hao Xu
2021-09-12 23:20 ` Pavel Begunkov
2021-09-11 13:52 ` [PATCH 2/3] io_uring: add option to skip CQE posting Pavel Begunkov
2021-09-11 13:52 ` [PATCH 3/3] io_uring: don't spinlock when not posting CQEs Pavel Begunkov
2021-09-11 20:12 ` Hao Xu
2021-09-11 21:10 ` Pavel Begunkov [this message]
2021-09-12 18:14 ` Hao Xu
2021-09-12 22:16 ` Pavel Begunkov
2021-09-12 23:49 ` [RFC][PATCH 0/3] allow to skip CQE posting Pavel Begunkov
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