Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <[email protected]>:
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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