Commit 70d625cb authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: do SSR for node segments more aggresively 



This patch gives more SSR chances for node blocks.

Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c192f7a4

fs/f2fs/segment.c

+10 −5
Original line number Original line Diff line number Diff line
@@ -1528,17 +1528,22 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type) 
{

{

	struct curseg_info *curseg = CURSEG_I(sbi, type);

	struct curseg_info *curseg = CURSEG_I(sbi, type);

	const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;

	const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;

	int i;

	int i, n;





	/* need_SSR() already forces to do this */

	/* need_SSR() already forces to do this */

	if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR))

	if (v_ops->get_victim(sbi, &(curseg)->next_segno, BG_GC, type, SSR))

		return 1;

		return 1;





	if (IS_NODESEG(type))

	/* For node segments, let's do SSR more intensively */

		return 0;

	if (IS_NODESEG(type)) {

		i = CURSEG_HOT_NODE;

		n = CURSEG_COLD_NODE;

	} else {

		i = CURSEG_HOT_DATA;

		n = CURSEG_COLD_DATA;

	}





	/* For data segments, let's do SSR more intensively */

	for (; i <= n; i++) {

	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {

		if (i == type)

		if (i == type)

			continue;

			continue;

		if (v_ops->get_victim(sbi, &(curseg)->next_segno,

		if (v_ops->get_victim(sbi, &(curseg)->next_segno,