get_ckpt_valid_blocks() checks valid ckpt blocks in current section.
It counts all vblocks from the first to the last segment in the
large section. However, START_SEGNO() is used to get the first segno
in an SIT block. This patch fixes that to get the correct start segno.
Fixes: 61461fc921b7 ("f2fs: fix to avoid touching checkpointed data in get_victim()")
Signed-off-by: Sheng Yong <shengyong@oppo.com>
---
v2: use GET_SEC_FROM_SEG and GET_SEG_FROM_SEC to get start segno of section
---
fs/f2fs/segment.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index e1c0f418aa11..bfc01a521cb9 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -347,7 +347,8 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
unsigned int segno, bool use_section)
{
if (use_section && __is_large_section(sbi)) {
- unsigned int start_segno = START_SEGNO(segno);
+ unsigned int secno = GET_SEC_FROM_SEG(sbi, segno);
+ unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno);
unsigned int blocks = 0;
int i;
--
2.40.1