Re: [PATCH] md: fix super_offset endianness in super_1_rdev_size_change

[Shaohua Li <shli@kernel.org>]

On Fri, Mar 10, 2017 at 11:27:23AM +0800, Jason Yan wrote:
> The sb->super_offset should be big-endian, but the rdev->sb_start is in
> host byte order, so fix this by adding cpu_to_le64.
> 
> Signed-off-by: Jason Yan <yanaijie@huawei.com>

thanks, applied the two patches.

> ---
>  drivers/md/md.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 548d1b8..b6516f8 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -1887,7 +1887,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
>  	}
>  	sb = page_address(rdev->sb_page);
>  	sb->data_size = cpu_to_le64(num_sectors);
> -	sb->super_offset = rdev->sb_start;
> +	sb->super_offset = cpu_to_le64(rdev->sb_start);
>  	sb->sb_csum = calc_sb_1_csum(sb);
>  	do {
>  		md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
> -- 
> 2.5.0
>