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sysctl extern cleanup: sg

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

Move sg_big_buff extern declaration to scsi/sg.h

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Acked-by: Doug Gilbert <dgilbert@interlog.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dave Young 2010-03-10 15:24:07 -08:00 committed by Linus Torvalds
parent 5ed109103d
commit 15485a4682
2 changed files with 6 additions and 4 deletions
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3
include/scsi/sg.h
View file

@ -70,6 +70,9 @@ Major new features in SG 3.x driver (cf SG 2.x drivers)
(for the lk 2.2 series).
*/
#ifdef __KERNEL__
extern int sg_big_buff; /* for sysctl */
#endif
/* New interface introduced in the 3.x SG drivers follows */

7
kernel/sysctl.c
View file

@ -61,6 +61,9 @@
#include <asm/stacktrace.h>
#include <asm/io.h>
#endif
#ifdef CONFIG_CHR_DEV_SG
#include <scsi/sg.h>
#endif
#if defined(CONFIG_SYSCTL)
@ -116,10 +119,6 @@ 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