linux-kernel - Re: btrfs fix missing in 5.10-stable was Re: [PATCH 5.10 00/73] 5.10.213-rc1 review

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Date: Wed, 20 Mar 2024 18:12:46 -0400
From: Sasha Levin <sashal@...nel.org>
To: Pavel Machek <pavel@...x.de>
Cc: josef@...icpanda.com, dsterba@...e.com, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org
Subject: Re: btrfs fix missing in 5.10-stable was Re: [PATCH 5.10 00/73]
 5.10.213-rc1 review

On Wed, Mar 20, 2024 at 02:44:06PM +0100, Pavel Machek wrote:
>Hi!
>
>> This is the start of the stable review cycle for the 5.10.213 release.
>> There are 73 patches in this series, all will be posted as a response
>> to this one.  If anyone has any issues with these being applied, please
>> let me know.
>
>While debugging "search for known-bad commit" script, I noticed:
>
>We have
>
>41b3cc57d626d c2e39305299f0 btrfs: clear extent buffer uptodate when
>we fail to write it
>
>commit in 5.10, which is fixed by this, but we don't have that one:
>
>651740a502411 btrfs: check WRITE_ERR when trying to read an extent
>buffer

Hey Pavel,

There are two reasons it didn't make it into 5.10 or 5.4:

1. It doesn't build on any of those kernels, and we haven't gotten a
backport we could apply.

2. There's a follow-up fix that happened soon after ( 40cdc509877b
("btrfs: skip reserved bytes warning on unmount after log cleanup
failure") ) which needs a backport on it's own.


-- 
Thanks,
Sasha