# \[PATCH AUTOSEL 5.11 41/67\] f2fs: handle unallocated section and zone on pinned/atgc - From: Sasha Levin \ - Date: 2021-02-24 13:09:17 - List: stable - Page: https://ratatoskr.run/stable/2021/02/6277716 - Thread: https://ratatoskr.run/stable/2021/02/6277678/t.md ```text From: Jaegeuk Kim [ Upstream commit 632faca72938f9f63049e48a8c438913828ac7a9 ] If we have large section/zone, unallocated segment makes them corrupted. E.g., - Pinned file: -1 119304647 119304647 - ATGC data: -1 119304647 119304647 Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/segment.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index e81eb0748e2a9..229814b4f4a6c 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -101,11 +101,11 @@ static inline void sanity_check_seg_type(struct f2fs_sb_info *sbi, #define BLKS_PER_SEC(sbi) \ ((sbi)->segs_per_sec * (sbi)->blocks_per_seg) #define GET_SEC_FROM_SEG(sbi, segno) \ - ((segno) / (sbi)->segs_per_sec) + (((segno) == -1) ? -1: (segno) / (sbi)->segs_per_sec) #define GET_SEG_FROM_SEC(sbi, secno) \ ((secno) * (sbi)->segs_per_sec) #define GET_ZONE_FROM_SEC(sbi, secno) \ - ((secno) / (sbi)->secs_per_zone) + (((secno) == -1) ? -1: (secno) / (sbi)->secs_per_zone) #define GET_ZONE_FROM_SEG(sbi, segno) \ GET_ZONE_FROM_SEC(sbi, GET_SEC_FROM_SEG(sbi, segno)) -- 2.27.0 ```