linux-kernel - [PATCH 11/18] sysctl extern cleanup

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Date:	Sat, 20 Feb 2010 22:17:20 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	James Morris <jmorris@...ei.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 11/18] sysctl extern cleanup - block iopoll

Extern declarations in sysctl.c should be move to their own head file,
and then include them in relavant .c files.

blk_iopoll_enabled declared in linux/blk-iopoll.h, remove the declaration in
sysctl.c, include the head file instead.

Signed-off-by: Dave Young <hidave.darkstar@...il.com>
---
 kernel/sysctl.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-12 13:43:17.754981908 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-12 13:44:25.191642639 +0800
@@ -61,6 +61,7 @@
 #include <linux/compat.h>
 #include <linux/latencytop.h>
 #include <linux/file.h>
+#include <linux/blk-iopoll.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -74,11 +75,6 @@
 
 #if defined(CONFIG_SYSCTL)
 
-/* External variables not in a header file. */
-#ifdef CONFIG_BLOCK
-extern int blk_iopoll_enabled;
-#endif
-
 /* Constants used for minimum and  maximum */
 #ifdef CONFIG_DETECT_SOFTLOCKUP
 static int sixty = 60;
--
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