linux-kernel - Re: [f2fs-dev] [PATCH v2] f2fs: fix to unlock folio in f2fs_read_data_large

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Message-Id: 
 <176912581509.2327822.8605689752451565989.git-patchwork-notify@kernel.org>
Date: Thu, 22 Jan 2026 23:50:15 +0000
From: patchwork-bot+f2fs@...nel.org
To: Chao Yu <chao@...nel.org>
Cc: jaegeuk@...nel.org, linux-kernel@...r.kernel.org,
 linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix to unlock folio in
 f2fs_read_data_large_folio()

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:

On Fri, 16 Jan 2026 14:31:15 +0800 you wrote:
> We missed to unlock folio in error path of f2fs_read_data_large_folio(),
> fix it.
> 
> With below testcase, it can reproduce the bug.
> 
> touch /mnt/f2fs/file
> truncate -s $((1024*1024*1024)) /mnt/f2fs/file
> f2fs_io setflags immutable /mnt/f2fs/file
> sync
> echo 3 > /proc/sys/vm/drop_caches
> time dd if=/mnt/f2fs/file of=/dev/null bs=1M count=1024
> f2fs_io clearflags immutable /mnt/f2fs/file
> echo 1 > /proc/sys/vm/drop_caches
> time dd if=/mnt/f2fs/file of=/dev/null bs=1M count=1024
> time dd if=/mnt/f2fs/file of=/dev/null bs=1M count=1024
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: fix to unlock folio in f2fs_read_data_large_folio()
    https://git.kernel.org/jaegeuk/f2fs/c/a5d8b9d94e18

You are awesome, thank you!
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