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sysctl extern cleanup - sg

PATCH In review Dave Young 1 participant 1 message Feb 20, 2010

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SCSI Proc sysctl SCSI SG driver
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Dave Young

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PATCH 13/18 sysctl extern cleanup - sg

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

Move sg_big_buff extern declaration to scsi/sg.h

Signed-off-by Dave Young <[email protected]>
---
 include/scsi/sg.h |    5 +++++
 kernel/sysctl.c   |    5 +----
 2 files changed, 6 insertions(+), 4 deletions(-)
include/scsi/sg.h +5 -0
@@ -70,6 +70,11 @@ Major new features in SG 3.x driver (cf 
  (for the lk 2.2 series).
 */
 
+#ifdef __KERNEL__
+#if defined(CONFIG_SYSCTL) && defined(CONFIG_CHR_DEV_SG)
+extern int sg_big_buff;
+#endif
+#endif
 
 /* New interface introduced in the 3.x SG drivers follows */
kernel/sysctl.c +1 -4
@@ -62,6 +62,7 @@
 #include <linux/latencytop.h>
 #include <linux/file.h>
 #include <linux/blk-iopoll.h>
+#include <scsi/sg.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>

@@ -100,10 +101,6 @@ static int min_percpu_pagelist_fract = 8
 
 static int ngroups_max = NGROUPS_MAX;
 
-#ifdef CONFIG_CHR_DEV_SG
-extern int sg_big_buff;
-#endif
-
 #ifdef CONFIG_SPARC
 #include <asm/system.h>
 #endif