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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-02-13 09:41:33 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-02-14 10:07:59 -0800 |
| commit | 7e986855fe13de2c8290c1102292d8e5f29dd769 (patch) | |
| tree | 55c750004ed14f15932c365fc209b43bf70f19ba /fs/f2fs | |
| parent | dda7d77bcd424ce5da80dd5a7ec92ead00279c02 (diff) | |
| download | linux-7e986855fe13de2c8290c1102292d8e5f29dd769.tar.gz linux-7e986855fe13de2c8290c1102292d8e5f29dd769.tar.bz2 linux-7e986855fe13de2c8290c1102292d8e5f29dd769.zip | |
f2fs: fix wrong segment count
MAIN_SEGS is for data area, while TOTAL_SEGS includes data and metadata.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/segment.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 92c8be00d396..efdb7fc3b797 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -719,9 +719,10 @@ static inline unsigned char curseg_alloc_type(struct f2fs_sb_info *sbi, return curseg->alloc_type; } -static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno) +static inline bool valid_main_segno(struct f2fs_sb_info *sbi, + unsigned int segno) { - f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1); + return segno <= (MAIN_SEGS(sbi) - 1); } static inline void verify_fio_blkaddr(struct f2fs_io_info *fio) @@ -776,7 +777,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi, /* check segment usage, and check boundary of a given segment number */ if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg - || segno > TOTAL_SEGS(sbi) - 1)) { + || !valid_main_segno(sbi, segno))) { f2fs_err(sbi, "Wrong valid blocks %d or segno %u", GET_SIT_VBLOCKS(raw_sit), segno); set_sbi_flag(sbi, SBI_NEED_FSCK); @@ -793,7 +794,7 @@ static inline pgoff_t current_sit_addr(struct f2fs_sb_info *sbi, unsigned int offset = SIT_BLOCK_OFFSET(start); block_t blk_addr = sit_i->sit_base_addr + offset; - check_seg_range(sbi, start); + f2fs_bug_on(sbi, !valid_main_segno(sbi, start)); #ifdef CONFIG_F2FS_CHECK_FS if (f2fs_test_bit(offset, sit_i->sit_bitmap) != |