From: Jens Axboe <axboe@kernel.dk>
To: Karl Mehltretter <kmehltretter@gmail.com>
Cc: io-uring@vger.kernel.org, regressions@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] io_uring: requests can overtake consecutive drains
Date: Tue, 27 Oct 2026 06:56:03 -0600 [thread overview]
Message-ID: <5f575079-a2a1-4f42-ba1b-204730a5402e@kernel.dk> (raw)
In-Reply-To: <20261027043323.98916-1-kmehltretter@gmail.com>
On 10/26/26 10:33 PM, Karl Mehltretter wrote:
> Commit ecb6817b769f ("io_uring: end the drain when the drain request
> completes") lets a request submitted after one drain overtake a second
> drain that is still running. This breaks IOSQE_IO_DRAIN ordering for
> both standalone and linked drains.
>
> An LLM helped with the review and reproducer.
Please have your LLM also make a patch that you can send out,
then you get credit for fixing it as well. Same goes for the
other one you sent out.
> No privilege, special device, SQPOLL, or unusual setup flag is required.
Puzzled why this is necessary to state.
--
Jens Axboe
prev parent reply other threads:[~2026-10-27 12:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-27 4:33 Karl Mehltretter
2026-10-27 12:56 ` Jens Axboe [this message]
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