From 9d9e1fb246731db01d2a35f0702e1e4b60c171bf Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 8 Dec 2011 15:42:58 +1100
Subject: [PATCH] dio: using prefetch requires including prefetch.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 fs/direct-io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index d8a738b91f23..4a588dbd11bf 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -36,6 +36,7 @@
 #include <linux/rwsem.h>
 #include <linux/uio.h>
 #include <linux/atomic.h>
+#include <linux/prefetch.h>
 
 /*
  * How many user pages to map in one call to get_user_pages().  This determines
-- 
2.39.2