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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@fb.com>
Cc: David Howells <dhowells@redhat.com>, Tejun Heo <tj@kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org,
	ceph-devel@vger.kernel.org
Subject: [PATCH 06/12] nilfs2: set up s_bdi like the generic mount_bdev code
Date: Wed, 14 Jan 2015 10:42:35 +0100	[thread overview]
Message-ID: <1421228561-16857-7-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1421228561-16857-1-git-send-email-hch@lst.de>

mapping->backing_dev_info will go away, so don't rely on it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Reviewed-by: Tejun Heo <tj@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
@@ -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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  parent reply	other threads:[~2015-01-14  9:42 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-14  9:42 backing_dev_info cleanups & lifetime rule fixes V2 Christoph Hellwig
2015-01-14  9:42 ` [PATCH 01/12] fs: deduplicate noop_backing_dev_info Christoph Hellwig
2015-01-14 12:41   ` Jan Kara
2015-01-14  9:42 ` [PATCH 02/12] fs: kill BDI_CAP_SWAP_BACKED Christoph Hellwig
2015-01-14 12:47   ` Jan Kara
2015-01-14  9:42 ` [PATCH 03/12] fs: introduce f_op->mmap_capabilities for nommu mmap support Christoph Hellwig
     [not found]   ` <1421228561-16857-4-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2015-01-16  4:06     ` Brian Norris
2015-01-14  9:42 ` [PATCH 04/12] block_dev: only write bdev inode on close Christoph Hellwig
2015-01-14 12:58   ` Jan Kara
2015-01-14  9:42 ` [PATCH 05/12] block_dev: get bdev inode bdi directly from the block device Christoph Hellwig
2015-01-14 13:00   ` Jan Kara
2015-01-14  9:42 ` Christoph Hellwig [this message]
2015-01-14 13:05   ` [PATCH 06/12] nilfs2: set up s_bdi like the generic mount_bdev code Jan Kara
2015-01-14  9:42 ` [PATCH 07/12] fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info Christoph Hellwig
2015-01-14 13:31   ` Jan Kara
2015-01-14  9:42 ` [PATCH 08/12] fs: remove mapping->backing_dev_info Christoph Hellwig
2015-01-15 10:57   ` Jan Kara
     [not found] ` <1421228561-16857-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2015-01-14  9:42   ` [PATCH 09/12] ceph: remove call to bdi_unregister Christoph Hellwig
2015-01-14 13:44     ` Jan Kara
2015-01-14  9:42 ` [PATCH 10/12] nfs: don't call bdi_unregister Christoph Hellwig
2015-01-14 13:51   ` Jan Kara
2015-01-14  9:42 ` [PATCH 11/12] fs: don't reassign dirty inodes to default_backing_dev_info Christoph Hellwig
     [not found]   ` <1421228561-16857-12-git-send-email-hch-jcswGhMUV9g@public.gmane.org>
2015-01-14 13:59     ` Jan Kara
2015-03-21 15:11     ` Mike Snitzer
2015-03-23 22:40       ` Mike Snitzer
2015-03-24  6:53         ` Christoph Hellwig
2015-01-14  9:42 ` [PATCH 12/12] fs: remove default_backing_dev_info Christoph Hellwig
2015-01-14 14:05   ` Jan Kara
2015-01-20 21:08 ` backing_dev_info cleanups & lifetime rule fixes V2 Jens Axboe
2015-02-01  6:31   ` Al Viro
     [not found]     ` <20150201063116.GP29656-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2015-02-02  8:06       ` Christoph Hellwig
2015-02-02 17:08         ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2015-01-08 17:45 backing_dev_info cleanups & lifetime rule fixes Christoph Hellwig
2015-01-08 17:45 ` [PATCH 06/12] nilfs2: set up s_bdi like the generic mount_bdev code Christoph Hellwig
2015-01-11 17:41   ` Tejun Heo

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