9p: remove sysctl

A sysctl method was added to enable and disable debugging levels.  After
further review, it was decided that there are better approaches to doing this
and the sysctl methodology isn't really desirable.  This patch removes the
sysctl code from 9p.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

include/net/9p/9p.h

@@ -415,18 +415,4 @@ int p9_idpool_check(int id, struct p9_idpool *p);
 
 int p9_error_init(void);
 int p9_errstr2errno(char *, int);
-
-#ifdef CONFIG_SYSCTL
-int __init p9_sysctl_register(void);
-void __exit p9_sysctl_unregister(void);
-#else
-static inline int p9_sysctl_register(void)
-{
-	return 0;
-}
-static inline void p9_sysctl_unregister(void)
-{
-}
-#endif
-
 #endif /* NET_9P_H */

net/9p/Makefile

@@ -10,7 +10,5 @@ obj-$(CONFIG_NET_9P_FD) += 9pnet_fd.o
 	fcprint.o \
 	util.o \
 
-9pnet-$(CONFIG_SYSCTL) += sysctl.o
-
 9pnet_fd-objs := \
 	trans_fd.o \

net/9p/mod.c

@@ -41,8 +41,6 @@ MODULE_PARM_DESC(debug, "9P debugging level");
 
 extern int p9_mux_global_init(void);
 extern void p9_mux_global_exit(void);
-extern int p9_sysctl_register(void);
-extern void p9_sysctl_unregister(void);
 
 /*
  * Dynamic Transport Registration Routines
@@ -118,12 +116,6 @@ static int __init init_p9(void)
 		return ret;
 	}
 
-	ret = p9_sysctl_register();
-	if (ret) {
-		printk(KERN_WARNING "9p: registering sysctl failed\n");
-		return ret;
-	}
-
 	return ret;
 }
 
@@ -134,7 +126,6 @@ static int __init init_p9(void)
 
 static void __exit exit_p9(void)
 {
-	p9_sysctl_unregister();
 	p9_mux_global_exit();
 }
 

net/9p/sysctl.c

@@ -1,81 +0,0 @@
-/*
- *  net/9p/sysctl.c
- *
- *  9P sysctl interface
- *
- *  Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/sysctl.h>
-#include <linux/init.h>
-#include <net/9p/9p.h>
-
-static struct ctl_table p9_table[] = {
-#ifdef CONFIG_NET_9P_DEBUG
-	{
-		.ctl_name       = CTL_UNNUMBERED,
-		.procname       = "debug",
-		.data           = &p9_debug_level,
-		.maxlen         = sizeof(int),
-		.mode           = 0644,
-		.proc_handler   = &proc_dointvec
-	},
-#endif
-	{},
-};
-
-static struct ctl_table p9_net_table[] = {
-	{
-		.ctl_name	= CTL_UNNUMBERED,
-		.procname	= "9p",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= p9_table,
-	},
-	{},
-};
-
-static struct ctl_table p9_ctl_table[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= p9_net_table,
-	},
-	{},
-};
-
-static struct ctl_table_header *p9_table_header;
-
-int __init p9_sysctl_register(void)
-{
-	p9_table_header = register_sysctl_table(p9_ctl_table);
-	if (!p9_table_header)
-		return -ENOMEM;
-
-	return 0;
-}
-
-void __exit p9_sysctl_unregister(void)
-{
-	 unregister_sysctl_table(p9_table_header);
-}