From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [RESEND for-5.20] io_uring/net: fix overexcessive retries
Date: Fri, 26 Aug 2022 12:42:54 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <0bc0d5179c665b4ef5c328377c84c7a1f298467e.1661530037.git.asml.silence@gmail.com>
On Fri, 26 Aug 2022 17:15:47 +0100, Pavel Begunkov wrote:
> Length parameter of io_sg_from_iter() can be smaller than the iterator's
> size, as it's with TCP, so when we set from->count at the end of the
> function we truncate the iterator forcing TCP to return preliminary with
> a short send. It affects zerocopy sends with large payload sizes and
> leads to retries and possible request failures.
>
>
> [...]
Applied, thanks!
[1/1] io_uring/net: fix overexcessive retries
(no commit info)
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2022-08-26 18:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 16:15 [RESEND for-5.20] io_uring/net: fix overexcessive retries Pavel Begunkov
2022-08-26 18:42 ` Jens Axboe [this message]
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