Re: [PATCH v2] f2fs: check segment type in __f2fs_replace_block

[Chao Yu <yuchao0@huawei.com>]

Please add simple description here to explain why we need to add this, even
though this change is very simple.

On 2018/1/4 11:48, Yunlong Song wrote:
> Signed-off-by: Yunlong Song <yunlong.song@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) {
>