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 <[email protected]>
---
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;