[2/3] f2fs: provide more chance to get node ssr
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Message ID 1487767851-819-2-git-send-email-yunlong.song@huawei.com
State New
Headers show

Commit Message

Yunlong Song Feb. 22, 2017, 12:50 p.m. UTC
Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
---
 fs/f2fs/segment.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Patch
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diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 80997f5..9d13743 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1541,9 +1541,13 @@  static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;
 
-	if (IS_NODESEG(type))
-		return v_ops->get_victim(sbi,
-				&(curseg)->next_segno, BG_GC, type, SSR);
+	if (IS_NODESEG(type)) {
+		for (; type >= CURSEG_HOT_NODE; type--)
+			if (v_ops->get_victim(sbi, &(curseg)->next_segno,
+							BG_GC, type, SSR))
+				return 1;
+		return 0;
+	}
 
 	/* For data segments, let's do SSR more intensively */
 	for (; type >= CURSEG_HOT_DATA; type--)