982c37cfb6
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>
139 lines
3.2 KiB
C
139 lines
3.2 KiB
C
/*
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* net/9p/9p.c
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*
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* 9P entry point
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*
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* Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
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* Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
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* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to:
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* Free Software Foundation
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02111-1301 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <net/9p/9p.h>
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#include <linux/fs.h>
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#include <linux/parser.h>
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#include <net/9p/transport.h>
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#include <linux/list.h>
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#ifdef CONFIG_NET_9P_DEBUG
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unsigned int p9_debug_level = 0; /* feature-rific global debug level */
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EXPORT_SYMBOL(p9_debug_level);
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module_param_named(debug, p9_debug_level, uint, 0);
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MODULE_PARM_DESC(debug, "9P debugging level");
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#endif
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extern int p9_mux_global_init(void);
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extern void p9_mux_global_exit(void);
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/*
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* Dynamic Transport Registration Routines
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*
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*/
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static LIST_HEAD(v9fs_trans_list);
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static struct p9_trans_module *v9fs_default_transport;
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/**
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* v9fs_register_trans - register a new transport with 9p
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* @m - structure describing the transport module and entry points
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*
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*/
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void v9fs_register_trans(struct p9_trans_module *m)
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{
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list_add_tail(&m->list, &v9fs_trans_list);
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if (m->def)
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v9fs_default_transport = m;
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}
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EXPORT_SYMBOL(v9fs_register_trans);
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/**
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* v9fs_match_trans - match transport versus registered transports
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* @arg: string identifying transport
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*
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*/
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struct p9_trans_module *v9fs_match_trans(const substring_t *name)
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{
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struct list_head *p;
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struct p9_trans_module *t = NULL;
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list_for_each(p, &v9fs_trans_list) {
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t = list_entry(p, struct p9_trans_module, list);
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if (strncmp(t->name, name->from, name->to-name->from) == 0)
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break;
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}
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return t;
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}
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EXPORT_SYMBOL(v9fs_match_trans);
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/**
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* v9fs_default_trans - returns pointer to default transport
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*
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*/
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struct p9_trans_module *v9fs_default_trans(void)
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{
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if (v9fs_default_transport)
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return v9fs_default_transport;
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else if (!list_empty(&v9fs_trans_list))
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return list_first_entry(&v9fs_trans_list,
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struct p9_trans_module, list);
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else
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return NULL;
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}
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EXPORT_SYMBOL(v9fs_default_trans);
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/**
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* v9fs_init - Initialize module
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*
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*/
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static int __init init_p9(void)
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{
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int ret;
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p9_error_init();
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printk(KERN_INFO "Installing 9P2000 support\n");
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ret = p9_mux_global_init();
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if (ret) {
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printk(KERN_WARNING "9p: starting mux failed\n");
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return ret;
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}
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return ret;
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}
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/**
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* v9fs_init - shutdown module
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*
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*/
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static void __exit exit_p9(void)
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{
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p9_mux_global_exit();
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}
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module_init(init_p9)
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module_exit(exit_p9)
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MODULE_AUTHOR("Latchesar Ionkov <lucho@ionkov.net>");
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MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
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MODULE_AUTHOR("Ron Minnich <rminnich@lanl.gov>");
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MODULE_LICENSE("GPL");
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