From: Pavel Begunkov <asml.silence@gmail.com>
To: Dylan Yudaken <dyudaken@gmail.com>,
axboe@kernel.dk, io-uring@vger.kernel.org
Subject: Re: [PATCH] io_uring: remove unneeded io_send_zc accounting
Date: Sun, 15 Feb 2026 23:39:37 +0000 [thread overview]
Message-ID: <c8c715e9-1aa3-48d1-b080-8844be893571@gmail.com> (raw)
In-Reply-To: <20260215231523.308665-1-dyudaken@gmail.com>
On 2/15/26 23:15, Dylan Yudaken wrote:
> zc->len and zc->buf are not actually used once you get to the retry
> stage. The buffer remains in kmsg->msg.msg_iter, which is setup in
> io_send_setup.
> Note: it still seems needed in io_send due to io_send_select_buffer
> needing it (for the len parameter).
>
> Signed-off-by: Dylan Yudaken <dyudaken@gmail.com>
> ---
> Hi,
>
> I'm reasonably sure this is correct - but I think Pavel might want to
> double check that I did not miss anything. The tests seem to pass with no
> changes.
Looks good, I'll have a look tomorrow
--
Pavel Begunkov
next prev parent reply other threads:[~2026-02-15 23:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-15 23:15 [PATCH] io_uring: remove unneeded io_send_zc accounting Dylan Yudaken
2026-02-15 23:39 ` Pavel Begunkov [this message]
2026-02-16 11:43 ` Pavel Begunkov
2026-02-15 23:51 ` Jens Axboe
2026-02-16 15:29 ` Jens Axboe
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