linux-kernel - Re: [RFC PATCH 1/1] iomap: fix race between iomap_set_range_uptodate and folio_end

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Message-ID: <aUwKPtahCaMipU83@laps>
Date: Wed, 24 Dec 2025 10:43:58 -0500
From: Sasha Levin <sashal@...nel.org>
To: Matthew Wilcox <willy@...radead.org>
Cc: Joanne Koong <joannelkoong@...il.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/1] iomap: fix race between iomap_set_range_uptodate
 and folio_end_read

On Wed, Dec 24, 2025 at 02:10:19AM +0000, Matthew Wilcox wrote:
>On Tue, Dec 23, 2025 at 05:12:09PM -0800, Joanne Koong wrote:
>> On Tue, Dec 23, 2025 at 2:30 PM Sasha Levin <sashal@...nel.org> wrote:
>> >
>>
>> Hi Sasha,
>>
>> Thanks for your patch and for the detailed writeup.
>
>The important line to note is:
>
>Assisted-by: claude-opus-4-5-20251101
>
>So Sasha has produced a very convincingly worded writeup that's
>hallucinated.

And spent a few hours trying to figure it out so I could unblock testing, but
sure - thanks.

Here's the full log:
https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.18-rc7-13806-gb927546677c8/testrun/30618654/suite/log-parser-test/test/exception-warning-fsiomapbuffered-io-at-ifs_free/log
, happy to test any patches you might have.

-- 
Thanks,
Sasha