1 | // SPDX-License-Identifier: GPL-2.0-only |
---|---|
2 | /* |
3 | * linux/net/sunrpc/sunrpc_syms.c |
4 | * |
5 | * Symbols exported by the sunrpc module. |
6 | * |
7 | * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de> |
8 | */ |
9 | |
10 | #include <linux/module.h> |
11 | |
12 | #include <linux/types.h> |
13 | #include <linux/uio.h> |
14 | #include <linux/unistd.h> |
15 | #include <linux/init.h> |
16 | |
17 | #include <linux/sunrpc/sched.h> |
18 | #include <linux/sunrpc/clnt.h> |
19 | #include <linux/sunrpc/svc.h> |
20 | #include <linux/sunrpc/svcsock.h> |
21 | #include <linux/sunrpc/auth.h> |
22 | #include <linux/workqueue.h> |
23 | #include <linux/sunrpc/rpc_pipe_fs.h> |
24 | #include <linux/sunrpc/xprtsock.h> |
25 | |
26 | #include "sunrpc.h" |
27 | #include "sysfs.h" |
28 | #include "netns.h" |
29 | |
30 | unsigned int sunrpc_net_id; |
31 | EXPORT_SYMBOL_GPL(sunrpc_net_id); |
32 | |
33 | static __net_init int sunrpc_init_net(struct net *net) |
34 | { |
35 | int err; |
36 | struct sunrpc_net *sn = net_generic(net, id: sunrpc_net_id); |
37 | |
38 | err = rpc_proc_init(net); |
39 | if (err) |
40 | goto err_proc; |
41 | |
42 | err = ip_map_cache_create(net); |
43 | if (err) |
44 | goto err_ipmap; |
45 | |
46 | err = unix_gid_cache_create(net); |
47 | if (err) |
48 | goto err_unixgid; |
49 | |
50 | err = rpc_pipefs_init_net(net); |
51 | if (err) |
52 | goto err_pipefs; |
53 | |
54 | INIT_LIST_HEAD(list: &sn->all_clients); |
55 | spin_lock_init(&sn->rpc_client_lock); |
56 | spin_lock_init(&sn->rpcb_clnt_lock); |
57 | return 0; |
58 | |
59 | err_pipefs: |
60 | unix_gid_cache_destroy(net); |
61 | err_unixgid: |
62 | ip_map_cache_destroy(net); |
63 | err_ipmap: |
64 | rpc_proc_exit(net); |
65 | err_proc: |
66 | return err; |
67 | } |
68 | |
69 | static __net_exit void sunrpc_exit_net(struct net *net) |
70 | { |
71 | struct sunrpc_net *sn = net_generic(net, id: sunrpc_net_id); |
72 | |
73 | rpc_pipefs_exit_net(net); |
74 | unix_gid_cache_destroy(net); |
75 | ip_map_cache_destroy(net); |
76 | rpc_proc_exit(net); |
77 | WARN_ON_ONCE(!list_empty(&sn->all_clients)); |
78 | } |
79 | |
80 | static struct pernet_operations sunrpc_net_ops = { |
81 | .init = sunrpc_init_net, |
82 | .exit = sunrpc_exit_net, |
83 | .id = &sunrpc_net_id, |
84 | .size = sizeof(struct sunrpc_net), |
85 | }; |
86 | |
87 | static int __init |
88 | init_sunrpc(void) |
89 | { |
90 | int err = rpc_init_mempool(); |
91 | if (err) |
92 | goto out; |
93 | err = rpcauth_init_module(); |
94 | if (err) |
95 | goto out2; |
96 | |
97 | cache_initialize(); |
98 | |
99 | err = register_pernet_subsys(&sunrpc_net_ops); |
100 | if (err) |
101 | goto out3; |
102 | |
103 | err = register_rpc_pipefs(); |
104 | if (err) |
105 | goto out4; |
106 | |
107 | err = rpc_sysfs_init(); |
108 | if (err) |
109 | goto out5; |
110 | |
111 | sunrpc_debugfs_init(); |
112 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
113 | rpc_register_sysctl(); |
114 | #endif |
115 | svc_init_xprt_sock(); /* svc sock transport */ |
116 | init_socket_xprt(); /* clnt sock transport */ |
117 | return 0; |
118 | |
119 | out5: |
120 | unregister_rpc_pipefs(); |
121 | out4: |
122 | unregister_pernet_subsys(&sunrpc_net_ops); |
123 | out3: |
124 | rpcauth_remove_module(); |
125 | out2: |
126 | rpc_destroy_mempool(); |
127 | out: |
128 | return err; |
129 | } |
130 | |
131 | static void __exit |
132 | cleanup_sunrpc(void) |
133 | { |
134 | rpc_sysfs_exit(); |
135 | rpc_cleanup_clids(); |
136 | xprt_cleanup_ids(); |
137 | xprt_multipath_cleanup_ids(); |
138 | rpcauth_remove_module(); |
139 | cleanup_socket_xprt(); |
140 | svc_cleanup_xprt_sock(); |
141 | sunrpc_debugfs_exit(); |
142 | unregister_rpc_pipefs(); |
143 | rpc_destroy_mempool(); |
144 | unregister_pernet_subsys(&sunrpc_net_ops); |
145 | auth_domain_cleanup(); |
146 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
147 | rpc_unregister_sysctl(); |
148 | #endif |
149 | rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
150 | } |
151 | MODULE_DESCRIPTION("Sun RPC core"); |
152 | MODULE_LICENSE("GPL"); |
153 | fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ |
154 | module_exit(cleanup_sunrpc); |
155 |