Re: [PATCH] fsck.f2fs: write back last cp block in the end

[Chao Yu <chao@kernel.org>]

On 2017/8/23 12:13, Yunlei He wrote:
> Write back last cp block in the end in case of sudden power off
> during fsck process
> 
> Signed-off-by: Yunlei He <heyunlei@huawei.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

> ---
>  fsck/mount.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/fsck/mount.c b/fsck/mount.c
> index a0b0bea..700a4ff 100644
> --- a/fsck/mount.c
> +++ b/fsck/mount.c
> @@ -1918,13 +1918,16 @@ void write_checkpoint(struct f2fs_sb_info *sbi)
>  		ASSERT(ret >= 0);
>  	}
>  
> -	/* write the last cp */
> -	ret = dev_write_block(cp, cp_blk_no++);
> -	ASSERT(ret >= 0);
> -
>  	/* Write nat bits */
>  	if (flags & CP_NAT_BITS_FLAG)
>  		write_nat_bits(sbi, sb, cp, sbi->cur_cp);
> +
> +	/* in case of sudden power off */
> +	f2fs_finalize_device();
> +
> +	/* write the last cp */
> +	ret = dev_write_block(cp, cp_blk_no++);
> +	ASSERT(ret >= 0);
>  }
>  
>  void build_nat_area_bitmap(struct f2fs_sb_info *sbi)
> 

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