[PATCH v2] f2fs: check segment type in __f2fs_replace_block

[Yunlong Song]

Signed-off-by: Yunlong Song <yunlong.s...@huawei.com>
---
 fs/f2fs/segment.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 890d483..e3bbabf 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2719,6 +2719,8 @@ void __f2fs_replace_block(struct f2fs_sb_info *sbi, 
struct f2fs_summary *sum,
        se = get_seg_entry(sbi, segno);
        type = se->type;
 
+       f2fs_bug_on(sbi, se->valid_blocks && IS_NODESEG(type));
+
        down_write(&SM_I(sbi)->curseg_lock);
 
        if (!recover_curseg) {
-- 
1.8.5.2