From 80ea96b1f3bd2431e0d71c9df6ab45c3de0c5840 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 1 Feb 2008 14:51:59 -0500
Subject: Btrfs: Add a lookup cache to the extent state tree

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

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

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 6fd5e2c90615..160da3f9d78e 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -48,6 +48,7 @@ struct extent_io_tree {
 	spinlock_t lru_lock;
 	struct list_head buffer_lru;
 	int lru_size;
+	struct extent_state *last;
 };
 
 struct extent_state {
-- 
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