diff options
| -rw-r--r-- | fs/f2fs/file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 63ab819fe..5a184f322 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2121,6 +2121,13 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst)) return -EOPNOTSUPP; + if (src == dst) { + if (pos_in == pos_out) + return 0; + if (pos_out > pos_in && pos_out < pos_in + len) + return -EINVAL; + } + inode_lock(src); if (src != dst) inode_lock(dst); |