linux-kernel - [PATCH 09/18] sysctl extern cleanup

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Date:	Sat, 20 Feb 2010 22:15:34 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Al Viro <viro@...iv.linux.org.uk>, 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 09/18] sysctl extern cleanup - file nr

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

Move sysctl_nr_open_min, sysctl_nr_open_max extern declarations to linux/file.h

Signed-off-by: Dave Young <hidave.darkstar@...il.com>
---
 include/linux/file.h |    3 +++
 kernel/sysctl.c      |    2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

--- linux-2.6.32.orig/include/linux/file.h	2010-02-20 14:02:22.601592643 +0800
+++ linux-2.6.32/include/linux/file.h	2010-02-20 14:23:05.188136249 +0800
@@ -9,6 +9,9 @@
 #include <linux/types.h>
 #include <linux/posix_types.h>
 
+#ifdef CONFIG_SYSCTL
+extern int sysctl_nr_open_min, sysctl_nr_open_max;
+#endif
 struct file;
 
 extern void __fput(struct file *);
--- linux-2.6.32.orig/kernel/sysctl.c	2010-02-20 14:17:53.132332896 +0800
+++ linux-2.6.32/kernel/sysctl.c	2010-02-20 14:22:30.728971346 +0800
@@ -60,6 +60,7 @@
 #include <linux/pid.h>
 #include <linux/compat.h>
 #include <linux/latencytop.h>
+#include <linux/file.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -74,7 +75,6 @@
 #if defined(CONFIG_SYSCTL)
 
 /* External variables not in a header file. */
-extern int sysctl_nr_open_min, sysctl_nr_open_max;
 #ifdef CONFIG_RCU_TORTURE_TEST
 extern int rcutorture_runnable;
 #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
--
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