From 04160088141a6be06d5cb9e53e34076b51803ffc Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 Mar 2008 10:28:07 -0400
Subject: Create a btrfs backing dev info

This allows intelligent versions of unplug and congestion functions

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/btrfs/ctree.h')

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f43dfe7ffe6d..fec96ba7c23b 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -25,6 +25,7 @@
 #include <linux/fs.h>
 #include <linux/workqueue.h>
 #include <linux/completion.h>
+#include <linux/backing-dev.h>
 #include <asm/kmap_types.h>
 #include "bit-radix.h"
 #include "extent_io.h"
@@ -472,6 +473,7 @@ struct btrfs_fs_info {
 	struct block_device *__bdev;
 	struct super_block *sb;
 	struct inode *btree_inode;
+	struct backing_dev_info bdi;
 	spinlock_t hash_lock;
 	struct mutex trans_mutex;
 	struct mutex fs_mutex;
-- 
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