Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b25958b6 authored Jun 13, 2013 by Haicheng Li Committed by Jaegeuk Kim Jun 14, 2013

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: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Jaegeuk 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 {