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From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@fb.com>, David Howells <dhowells@redhat.com>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-mtd@lists.infradead.org
Subject: Re: [PATCH 6/8] nilfs2: set up s_bdi like the generic mount_bdev code
Date: Sun, 04 Jan 2015 17:18:38 +0900 (JST)	[thread overview]
Message-ID: <20150104.171838.243342727322803372.konishi.ryusuke@lab.ntt.co.jp> (raw)
In-Reply-To: <1419929859-24427-7-git-send-email-hch@lst.de>

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

Looks good for me.

Acked-by: Ryusuke Konishi <konishi.ryusuke@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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  reply	other threads:[~2015-01-04  8:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-30  8:57 backing_dev_info cleanups Christoph Hellwig
2014-12-30  8:57 ` [PATCH 1/8] fs: deduplicate noop_backing_dev_info Christoph Hellwig
2014-12-30  8:57 ` [PATCH 2/8] fs: kill BDI_CAP_SWAP_BACKED Christoph Hellwig
2014-12-30  8:57 ` [PATCH 3/8] fs: introduce f_op->mmap_capabilities for nommu mmap support Christoph Hellwig
2014-12-30  8:57 ` [PATCH 4/8] block_dev: only write bdev inode on close Christoph Hellwig
2014-12-30  8:57 ` [PATCH 5/8] block_dev: get bdev inode bdi directly from the block device Christoph Hellwig
2014-12-30  8:57 ` [PATCH 6/8] nilfs2: set up s_bdi like the generic mount_bdev code Christoph Hellwig
2015-01-04  8:18   ` Ryusuke Konishi [this message]
2014-12-30  8:57 ` [PATCH 7/8] fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info Christoph Hellwig
2014-12-30  8:57 ` [PATCH 8/8] fs: remove mapping->backing_dev_info Christoph Hellwig
2015-01-04  8:28   ` Ryusuke Konishi

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