[PATCH 6/8] nilfs2: set up s_bdi like the generic mount_bdev code

[Ryusuke Konishi]

On Tue, 30 Dec 2014 09:57:37 +0100, Christoph Hellwig <hch at lst.de> wrote:
> mapping->backing_dev_info will go away, so don't rely on it.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Looks good for me.

Acked-by: Ryusuke Konishi <konishi.ryusuke at lab.ntt.co.jp>

> ---
>  fs/nilfs2/super.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
> index 2e5b3ec..3d4bbac 100644
> --- a/fs/nilfs2/super.c
> +++ b/fs/nilfs2/super.c
> @@ -1057,7 +1057,6 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
>  {
>  	struct the_nilfs *nilfs;
>  	struct nilfs_root *fsroot;
> -	struct backing_dev_info *bdi;
>  	__u64 cno;
>  	int err;
>  
> @@ -1077,8 +1076,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
>  	sb->s_time_gran = 1;
>  	sb->s_max_links = NILFS_LINK_MAX;
>  
> -	bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
> -	sb->s_bdi = bdi ? : &default_backing_dev_info;
> +	sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info;
>  
>  	err = load_nilfs(nilfs, sb);
>  	if (err)
> -- 
> 1.9.1
> 
> --
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