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| author | Yunlong Song <yunlong.song@huawei.com> | 2017-08-04 17:07:15 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-21 14:11:51 -0700 |
| commit | c9881425b5b16c4dd9656d6ae0b95029157ccc50 (patch) | |
| tree | 6c66975131550cfdc50e525d72d89ec38cb7b4e1 | |
| parent | d39f75a593462334d1baf72b67e57bd93e9a1b0d (diff) | |
f2fs: fix the size value in __check_sit_bitmap
The current size value is not correct and will miss bitmap check.
Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index edc7c3d254c7..20f466ace8b0 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -868,11 +868,14 @@ void __check_sit_bitmap(struct f2fs_sb_info *sbi, sentry = get_seg_entry(sbi, segno); offset = GET_BLKOFF_FROM_SEG0(sbi, blk); - size = min((unsigned long)(end - blk), max_blocks); + if (end < START_BLOCK(sbi, segno + 1)) + size = GET_BLKOFF_FROM_SEG0(sbi, end); + else + size = max_blocks; map = (unsigned long *)(sentry->cur_valid_map); offset = __find_rev_next_bit(map, size, offset); f2fs_bug_on(sbi, offset != size); - blk += size; + blk = START_BLOCK(sbi, segno + 1); } #endif } |