Commit b25958b6 authored by Haicheng Li's avatar Haicheng Li Committed by Jaegeuk Kim
Browse files

f2fs: optimize do_write_data_page() 



Since "need_inplace_update() == true" is a very rare case, using unlikely()
to give compiler a chance to optimize the code.

Signed-off-by: default avatarHaicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 8d8451af

fs/f2fs/data.c

+3 −2
Original line number Diff line number Diff line
@@ -497,8 +497,9 @@ int do_write_data_page(struct page *page) 
	 * If current allocation needs SSR,

	 * it had better in-place writes for updated data.

	 */

	if (old_blk_addr != NEW_ADDR && !is_cold_data(page) &&

				need_inplace_update(inode)) {

	if (unlikely(old_blk_addr != NEW_ADDR &&

			!is_cold_data(page) &&

			need_inplace_update(inode))) {

		rewrite_data_page(F2FS_SB(inode->i_sb), page,

						old_blk_addr);

	} else {