linux-kernel - [PATCH] srcu: add missing header file

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Message-ID: <4BC997F1.4000801@cn.fujitsu.com>
Date:	Sat, 17 Apr 2010 19:13:53 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] srcu: add missing header file


When I was writing a module, I hit this compile error.
include/linux/srcu.h:39: error: field 'mutex' has incomplete type
include/linux/srcu.h:41: error: field 'dep_map' has incomplete type

mutex.h is missed in srcu.h, but srcu.h uses struct mutex,
so this patch adds this missing header file.

__percpu is defined in compiler.h which is included in mutex.h already.
But I also include percpu.h because it names "__percpu".

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 4d5ecb2..675a16f 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -27,6 +27,9 @@
 #ifndef _LINUX_SRCU_H
 #define _LINUX_SRCU_H
 
+#include <linux/percpu.h>
+#include <linux/mutex.h>
+
 struct srcu_struct_array {
 	int c[2];
 };

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