This is a note to let you know that I've just added the patch titled
f2fs: fix to check compress file in f2fs_move_file_range()
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
f2fs-fix-to-check-compress-file-in-f2fs_move_file_ra.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 82eed296d9cd67e107823f148394363bdabe3934
Author: Chao Yu <chao@xxxxxxxxxx>
Date: Sun Dec 10 19:35:44 2023 +0800
f2fs: fix to check compress file in f2fs_move_file_range()
[ Upstream commit fb9b65340c818875ea86464faf3c744bdce0055c ]
f2fs_move_file_range() doesn't support migrating compressed cluster
data, let's add the missing check condition and return -EOPNOTSUPP
for the case until we support it.
Fixes: 4c8ff7095bef ("f2fs: support data compression")
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a06f03d23762..e36a3208a3e9 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2818,6 +2818,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
goto out;
}
+ if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) {
+ ret = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
ret = -EINVAL;
if (pos_in + len > src->i_size || pos_in + len < pos_in)
goto out_unlock;
