[PATCH 06/12] nilfs2: set up s_bdi like the generic mount_bdev code
Jan Kara
jack at suse.cz
Wed Jan 14 05:05:20 PST 2015
On Wed 14-01-15 10:42:35, Christoph Hellwig wrote:
> mapping->backing_dev_info will go away, so don't rely on it.
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Acked-by: Ryusuke Konishi <konishi.ryusuke at lab.ntt.co.jp>
> Reviewed-by: Tejun Heo <tj at kernel.org>
> ---
> 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
> @@ -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;
Why don't you use blk_get_backing_dev_info() here? Otherwise the patch
looks fine. So you can add:
Reviewed-by: Jan Kara <jack at suse.cz>
Honza
--
Jan Kara <jack at suse.cz>
SUSE Labs, CR
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