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
9#include <linux/module.h>
10
11#include <linux/types.h>
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>
23#include <linux/sunrpc/xprtsock.h>
24
25#include "netns.h"
26
27int sunrpc_net_id;
28EXPORT_SYMBOL_GPL(sunrpc_net_id);
29
30static __net_init int sunrpc_init_net(struct net *net)
31{
32	int err;
33	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
34
35	err = rpc_proc_init(net);
36	if (err)
37		goto err_proc;
38
39	err = ip_map_cache_create(net);
40	if (err)
41		goto err_ipmap;
42
43	err = unix_gid_cache_create(net);
44	if (err)
45		goto err_unixgid;
46
47	err = rpc_pipefs_init_net(net);
48	if (err)
49		goto err_pipefs;
50
51	INIT_LIST_HEAD(&sn->all_clients);
52	spin_lock_init(&sn->rpc_client_lock);
53	spin_lock_init(&sn->rpcb_clnt_lock);
54	return 0;
55
56err_pipefs:
57	unix_gid_cache_destroy(net);
58err_unixgid:
59	ip_map_cache_destroy(net);
60err_ipmap:
61	rpc_proc_exit(net);
62err_proc:
63	return err;
64}
65
66static __net_exit void sunrpc_exit_net(struct net *net)
67{
68	rpc_pipefs_exit_net(net);
69	unix_gid_cache_destroy(net);
70	ip_map_cache_destroy(net);
71	rpc_proc_exit(net);
72}
73
74static struct pernet_operations sunrpc_net_ops = {
75	.init = sunrpc_init_net,
76	.exit = sunrpc_exit_net,
77	.id = &sunrpc_net_id,
78	.size = sizeof(struct sunrpc_net),
79};
80
81static int __init
82init_sunrpc(void)
83{
84	int err = rpc_init_mempool();
85	if (err)
86		goto out;
87	err = rpcauth_init_module();
88	if (err)
89		goto out2;
90
91	cache_initialize();
92
93	err = register_pernet_subsys(&sunrpc_net_ops);
94	if (err)
95		goto out3;
96
97	err = register_rpc_pipefs();
98	if (err)
99		goto out4;
100#ifdef RPC_DEBUG
101	rpc_register_sysctl();
102#endif
103	svc_init_xprt_sock();	/* svc sock transport */
104	init_socket_xprt();	/* clnt sock transport */
105	return 0;
106
107out4:
108	unregister_pernet_subsys(&sunrpc_net_ops);
109out3:
110	rpcauth_remove_module();
111out2:
112	rpc_destroy_mempool();
113out:
114	return err;
115}
116
117static void __exit
118cleanup_sunrpc(void)
119{
120	rpcauth_remove_module();
121	cleanup_socket_xprt();
122	svc_cleanup_xprt_sock();
123	unregister_rpc_pipefs();
124	rpc_destroy_mempool();
125	unregister_pernet_subsys(&sunrpc_net_ops);
126#ifdef RPC_DEBUG
127	rpc_unregister_sysctl();
128#endif
129	rcu_barrier(); /* Wait for completion of call_rcu()'s */
130}
131MODULE_LICENSE("GPL");
132fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
133module_exit(cleanup_sunrpc);
134