[mirror_ubuntu-zesty-kernel.git] / net / sunrpc / sunrpc_syms.c

/*
 * linux/net/sunrpc/sunrpc_syms.c
 *
 * Symbols exported by the sunrpc module.
 *
 * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
 */

#include <linux/module.h>

#include <linux/types.h>
#include <linux/uio.h>
#include <linux/unistd.h>
#include <linux/init.h>

#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/svcsock.h>
#include <linux/sunrpc/auth.h>
#include <linux/workqueue.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
#include <linux/sunrpc/xprtsock.h>

#include "netns.h"

int sunrpc_net_id;
EXPORT_SYMBOL_GPL(sunrpc_net_id);

extern int unix_gid_cache_create(struct net *net);
extern int unix_gid_cache_destroy(struct net *net);

static __net_init int sunrpc_init_net(struct net *net)
{
	int err;
	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);

	err = rpc_proc_init(net);
	if (err)
		goto err_proc;

	err = ip_map_cache_create(net);
	if (err)
		goto err_ipmap;

	err = unix_gid_cache_create(net);
	if (err)
		goto err_unixgid;

	rpc_pipefs_init_net(net);
	INIT_LIST_HEAD(&sn->all_clients);
	spin_lock_init(&sn->rpc_client_lock);
	return 0;

err_unixgid:
	ip_map_cache_destroy(net);
err_ipmap:
	rpc_proc_exit(net);
err_proc:
	return err;
}

static __net_exit void sunrpc_exit_net(struct net *net)
{
	unix_gid_cache_destroy(net);
	ip_map_cache_destroy(net);
	rpc_proc_exit(net);
}

static struct pernet_operations sunrpc_net_ops = {
	.init = sunrpc_init_net,
	.exit = sunrpc_exit_net,
	.id = &sunrpc_net_id,
	.size = sizeof(struct sunrpc_net),
};

static int __init
init_sunrpc(void)
{
	int err = register_rpc_pipefs();
	if (err)
		goto out;
	err = rpc_init_mempool();
	if (err)
		goto out2;
	err = rpcauth_init_module();
	if (err)
		goto out3;

	cache_initialize();

	err = register_pernet_subsys(&sunrpc_net_ops);
	if (err)
		goto out4;
#ifdef RPC_DEBUG
	rpc_register_sysctl();
#endif
	svc_init_xprt_sock();	/* svc sock transport */
	init_socket_xprt();	/* clnt sock transport */
	return 0;

out4:
	rpcauth_remove_module();
out3:
	rpc_destroy_mempool();
out2:
	unregister_rpc_pipefs();
out:
	return err;
}

static void __exit
cleanup_sunrpc(void)
{
	rpcauth_remove_module();
	cleanup_socket_xprt();
	svc_cleanup_xprt_sock();
	unregister_rpc_pipefs();
	rpc_destroy_mempool();
	unregister_pernet_subsys(&sunrpc_net_ops);
#ifdef RPC_DEBUG
	rpc_unregister_sysctl();
#endif
	rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
MODULE_LICENSE("GPL");
fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
module_exit(cleanup_sunrpc);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/net/sunrpc/sunrpc_syms.c
	3	*
	4	* Symbols exported by the sunrpc module.
	5	*
	6	* Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
	7	*/
	8
1da177e4 LT	9	#include <linux/module.h>
	10
	11	#include <linux/types.h>
1da177e4 LT	12	#include <linux/uio.h>
	13	#include <linux/unistd.h>
	14	#include <linux/init.h>
	15
	16	#include <linux/sunrpc/sched.h>
	17	#include <linux/sunrpc/clnt.h>
	18	#include <linux/sunrpc/svc.h>
	19	#include <linux/sunrpc/svcsock.h>
	20	#include <linux/sunrpc/auth.h>
	21	#include <linux/workqueue.h>
	22	#include <linux/sunrpc/rpc_pipe_fs.h>
49c36fcc	23	#include <linux/sunrpc/xprtsock.h>
1da177e4	24
2f72c9b7 PE	25	#include "netns.h"
	26
	27	int sunrpc_net_id;
a1db410d	28	EXPORT_SYMBOL_GPL(sunrpc_net_id);
2f72c9b7	29
73393232 SK	30	extern int unix_gid_cache_create(struct net *net);
	31	extern int unix_gid_cache_destroy(struct net *net);
	32
2f72c9b7 PE	33	static __net_init int sunrpc_init_net(struct net *net)
2f72c9b7 PE	34	{
4f42d0d5	35	int err;
70abc49b	36	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
4f42d0d5 PE	37
	38	err = rpc_proc_init(net);
	39	if (err)
	40	goto err_proc;
	41
90d51b02 PE	42	err = ip_map_cache_create(net);
	43	if (err)
	44	goto err_ipmap;
	45
73393232 SK	46	err = unix_gid_cache_create(net);
	47	if (err)
	48	goto err_unixgid;
	49
c21a588f	50	rpc_pipefs_init_net(net);
70abc49b SK	51	INIT_LIST_HEAD(&sn->all_clients);
70abc49b SK	52	spin_lock_init(&sn->rpc_client_lock);
2f72c9b7	53	return 0;
4f42d0d5	54
73393232 SK	55	err_unixgid:
73393232 SK	56	ip_map_cache_destroy(net);
90d51b02 PE	57	err_ipmap:
90d51b02 PE	58	rpc_proc_exit(net);
4f42d0d5 PE	59	err_proc:
4f42d0d5 PE	60	return err;
2f72c9b7 PE	61	}
	62
	63	static __net_exit void sunrpc_exit_net(struct net *net)
	64	{
73393232	65	unix_gid_cache_destroy(net);
90d51b02	66	ip_map_cache_destroy(net);
4f42d0d5	67	rpc_proc_exit(net);
2f72c9b7 PE	68	}
	69
	70	static struct pernet_operations sunrpc_net_ops = {
	71	.init = sunrpc_init_net,
	72	.exit = sunrpc_exit_net,
	73	.id = &sunrpc_net_id,
	74	.size = sizeof(struct sunrpc_net),
	75	};
	76
1da177e4 LT	77	static int __init
	78	init_sunrpc(void)
	79	{
	80	int err = register_rpc_pipefs();
	81	if (err)
	82	goto out;
5bd5f581	83	err = rpc_init_mempool();
5d8d9a4d TM	84	if (err)
	85	goto out2;
	86	err = rpcauth_init_module();
	87	if (err)
	88	goto out3;
2f72c9b7 PE	89
	90	cache_initialize();
	91
	92	err = register_pernet_subsys(&sunrpc_net_ops);
	93	if (err)
	94	goto out4;
1da177e4 LT	95	#ifdef RPC_DEBUG
1da177e4 LT	96	rpc_register_sysctl();
1da177e4	97	#endif
360d8738 TT	98	svc_init_xprt_sock(); /* svc sock transport */
360d8738 TT	99	init_socket_xprt(); /* clnt sock transport */
5d8d9a4d	100	return 0;
2f72c9b7 PE	101
	102	out4:
	103	rpcauth_remove_module();
5d8d9a4d TM	104	out3:
	105	rpc_destroy_mempool();
	106	out2:
	107	unregister_rpc_pipefs();
1da177e4 LT	108	out:
	109	return err;
	110	}
	111
	112	static void __exit
	113	cleanup_sunrpc(void)
	114	{
f5c2187c	115	rpcauth_remove_module();
282b32e1	116	cleanup_socket_xprt();
360d8738	117	svc_cleanup_xprt_sock();
1da177e4 LT	118	unregister_rpc_pipefs();
1da177e4 LT	119	rpc_destroy_mempool();
2f72c9b7	120	unregister_pernet_subsys(&sunrpc_net_ops);
1da177e4 LT	121	#ifdef RPC_DEBUG
1da177e4 LT	122	rpc_unregister_sysctl();
1da177e4	123	#endif
75de874f	124	rcu_barrier(); /* Wait for completion of call_rcu()'s */
1da177e4 LT	125	}
1da177e4 LT	126	MODULE_LICENSE("GPL");
405d8f8b	127	fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
1da177e4	128	module_exit(cleanup_sunrpc);