f2fs: commit atomic written page in LFS mode

We should always commit atomic written pages in LFS mode, otherwise data
will become corrupted if we encounter suddent power cut after partial
pages committed in IPU mode.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/data.c

@@ -1083,6 +1083,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
 	 */
 	if (unlikely(fio->blk_addr != NEW_ADDR &&
 			!is_cold_data(page) &&
+			!IS_ATOMIC_WRITTEN_PAGE(page) &&
 			need_inplace_update(inode))) {
 		rewrite_data_page(fio);
 		set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);