commit 2c96ce9f2084c1e04d02883e622f74a537a63aea
author Jens Axboe <jens.axboe@oracle.com> Tue Sep 15 09:43:56 2009 +0200
committer Jens Axboe <jens.axboe@oracle.com> Wed Sep 16 15:16:18 2009 +0200
tree cad3c6773d2886103b05f7b090b3385d23076a03
parent 0cb583fd2862f19ea88b02eb307d11c09e51e2f8

fs: remove bdev->bd_inode_backing_dev_info

It has been unused since it was introduced in:

commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac
Author: Andrew Morton <akpm@osdl.org>
Date:   Fri May 21 00:46:17 2004 -0700

    [PATCH] block device layer: separate backing_dev_info infrastructure

So lets just kill it.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

fs/inode.c

diff --git a/fs/inode.c b/fs/inode.c
index ae7b67e..b2ba83d 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -182,9 +182,7 @@
 	if (sb->s_bdev) {
 		struct backing_dev_info *bdi;
 
-		bdi = sb->s_bdev->bd_inode_backing_dev_info;
-		if (!bdi)
-			bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
+		bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
 		mapping->backing_dev_info = bdi;
 	}
 	inode->i_private = NULL;