[PATCH v2] Revert "f2fs: add a new function get_ssr_cost"

[Yunlong Song]

This reverts commit b7b7c4cf1c9ef0272a65f1480457cbfdadcda19d.

se->ckpt_valid_blocks will never be smaller than se->valid_blocks, so just
remove get_ssr_cost.

Signed-off-by: Yunlong Song <yunlong.song@xxxxxxxxxx>
Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
---
 fs/f2fs/gc.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index cd147e7..b226760 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -277,20 +277,11 @@ static unsigned int get_greedy_cost(struct f2fs_sb_info *sbi,
 				valid_blocks * 2 : valid_blocks;
 }
 
-static unsigned int get_ssr_cost(struct f2fs_sb_info *sbi,
-						unsigned int segno)
-{
-	struct seg_entry *se = get_seg_entry(sbi, segno);
-
-	return se->ckpt_valid_blocks > se->valid_blocks ?
-				se->ckpt_valid_blocks : se->valid_blocks;
-}
-
 static inline unsigned int get_gc_cost(struct f2fs_sb_info *sbi,
 			unsigned int segno, struct victim_sel_policy *p)
 {
 	if (p->alloc_mode == SSR)
-		return get_ssr_cost(sbi, segno);
+		return get_seg_entry(sbi, segno)->ckpt_valid_blocks;
 
 	/* alloc_mode == LFS */
 	if (p->gc_mode == GC_GREEDY)
-- 
1.8.5.2