* [PATCH] f2fs: handle unallocated section and zone on pinned/atgc
@ 2020-12-23 20:02 Jaegeuk Kim
2020-12-24 2:53 ` [f2fs-dev] " Chao Yu
0 siblings, 1 reply; 2+ messages in thread
From: Jaegeuk Kim @ 2020-12-23 20:02 UTC (permalink / raw)
To: linux-kernel, linux-f2fs-devel, kernel-team; +Cc: Jaegeuk Kim
If we have large section/zone, unallocated segment makes them corrupted.
E.g.,
- Pinned file: -1 119304647 119304647
- ATGC data: -1 119304647 119304647
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
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 e81eb0748e2a..229814b4f4a6 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))
--
2.29.2.729.g45daf8777d-goog
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2020-12-23 20:02 [PATCH] f2fs: handle unallocated section and zone on pinned/atgc Jaegeuk Kim
2020-12-24 2:53 ` [f2fs-dev] " Chao Yu
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