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| author | Yunlong Song <yunlong.song@huawei.com> | 2017-08-04 17:07:15 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-08-15 10:40:10 -0700 |
| commit | 008396e1b026b3873091b555b808155da7d9d18f (patch) | |
| tree | 5ac002d856af919e83c9d2b0d0e46b54208bf002 | |
| parent | b0af6d491a6b5f5622fa91ac75f34f3640f862c4 (diff) | |
| download | linux-008396e1b026b3873091b555b808155da7d9d18f.tar.bz2 | |
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 c6e4a1174f8a..95267630c8c4 100644 --- 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 } |