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>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index c6e4a11..9526763 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -787,11 +787,14 @@ 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
 }