In the punch_hole(), if offset bigger than inode size, it returns SUCCESS.
Then f2fs_fallocate() will update time and dirty mark.
In that case, inode has not been modified actually.
So I have added offset check routine that prevent to call the punch_hole().
Signed-off-by: NTaehee Yoo <ap420073@gmail.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>