From: Miklos Szeredi <mszeredi@suse.cz>

Uniformly use MAJOR:MINOR in /sys/class/bdi/ for both block devices
and non-block device backed filesystems: FUSE and NFS.

Add symlink for block devices:

    /sys/block/<name>/bdi -> /sys/class/bdi/<bdi>

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/fuse/inode.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN fs/fuse/inode.c~mm-bdi-expose-the-bdi-object-in-sysfs-for-fuse-fix fs/fuse/inode.c
--- a/fs/fuse/inode.c~mm-bdi-expose-the-bdi-object-in-sysfs-for-fuse-fix
+++ a/fs/fuse/inode.c
@@ -473,8 +473,7 @@ static struct fuse_conn *new_conn(struct
 		err = bdi_init(&fc->bdi);
 		if (err)
 			goto error_kfree;
-		err = bdi_register(&fc->bdi, NULL, "fuse-%u:%u",
-				   MAJOR(fc->dev), MINOR(fc->dev));
+		err = bdi_register_dev(&fc->bdi, fc->dev);
 		if (err)
 			goto error_bdi_destroy;
 		fc->reqctr = 0;
_