From: Chao Yu <chao@kernel.org>
Date: Sun, 10 Dec 2023 11:35:44 +0000 (+0800)
Subject: f2fs: fix to check compress file in f2fs_move_file_range()
X-Git-Tag: v5.15.148~171
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=df2571b4d5d1433928d64be77ae67f05623e9317;p=thirdparty%2Fkernel%2Fstable.git

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@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 58fd32db025da..0669ac4c0f12b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2780,6 +2780,11 @@ 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;