[PATCH v2] f2fs: check segment type in __f2fs_replace_block

From: Yunlong Song
Date: Wed Jan 03 2018 - 22:48:57 EST


Signed-off-by: Yunlong Song <yunlong.song@xxxxxxxxxx>
---
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