Commit | Line | Data |
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09c434b8 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
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 | ||
1da177e4 LT |
10 | #include <linux/module.h> |
11 | ||
12 | #include <linux/types.h> | |
1da177e4 LT |
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> | |
49c36fcc | 24 | #include <linux/sunrpc/xprtsock.h> |
1da177e4 | 25 | |
2f72c9b7 PE |
26 | #include "netns.h" |
27 | ||
c7d03a00 | 28 | unsigned int sunrpc_net_id; |
a1db410d | 29 | EXPORT_SYMBOL_GPL(sunrpc_net_id); |
2f72c9b7 PE |
30 | |
31 | static __net_init int sunrpc_init_net(struct net *net) | |
32 | { | |
4f42d0d5 | 33 | int err; |
70abc49b | 34 | struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); |
4f42d0d5 PE |
35 | |
36 | err = rpc_proc_init(net); | |
37 | if (err) | |
38 | goto err_proc; | |
39 | ||
90d51b02 PE |
40 | err = ip_map_cache_create(net); |
41 | if (err) | |
42 | goto err_ipmap; | |
43 | ||
73393232 SK |
44 | err = unix_gid_cache_create(net); |
45 | if (err) | |
46 | goto err_unixgid; | |
47 | ||
4b9a445e JL |
48 | err = rpc_pipefs_init_net(net); |
49 | if (err) | |
50 | goto err_pipefs; | |
51 | ||
70abc49b SK |
52 | INIT_LIST_HEAD(&sn->all_clients); |
53 | spin_lock_init(&sn->rpc_client_lock); | |
1d96e80f | 54 | spin_lock_init(&sn->rpcb_clnt_lock); |
2f72c9b7 | 55 | return 0; |
4f42d0d5 | 56 | |
4b9a445e JL |
57 | err_pipefs: |
58 | unix_gid_cache_destroy(net); | |
73393232 SK |
59 | err_unixgid: |
60 | ip_map_cache_destroy(net); | |
90d51b02 PE |
61 | err_ipmap: |
62 | rpc_proc_exit(net); | |
4f42d0d5 PE |
63 | err_proc: |
64 | return err; | |
2f72c9b7 PE |
65 | } |
66 | ||
67 | static __net_exit void sunrpc_exit_net(struct net *net) | |
68 | { | |
4112be70 VA |
69 | struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); |
70 | ||
4b9a445e | 71 | rpc_pipefs_exit_net(net); |
73393232 | 72 | unix_gid_cache_destroy(net); |
90d51b02 | 73 | ip_map_cache_destroy(net); |
4f42d0d5 | 74 | rpc_proc_exit(net); |
4112be70 | 75 | WARN_ON_ONCE(!list_empty(&sn->all_clients)); |
2f72c9b7 PE |
76 | } |
77 | ||
78 | static struct pernet_operations sunrpc_net_ops = { | |
79 | .init = sunrpc_init_net, | |
80 | .exit = sunrpc_exit_net, | |
81 | .id = &sunrpc_net_id, | |
82 | .size = sizeof(struct sunrpc_net), | |
83 | }; | |
84 | ||
1da177e4 LT |
85 | static int __init |
86 | init_sunrpc(void) | |
87 | { | |
adae0fe0 | 88 | int err = rpc_init_mempool(); |
1da177e4 LT |
89 | if (err) |
90 | goto out; | |
5d8d9a4d TM |
91 | err = rpcauth_init_module(); |
92 | if (err) | |
adae0fe0 | 93 | goto out2; |
2f72c9b7 PE |
94 | |
95 | cache_initialize(); | |
96 | ||
97 | err = register_pernet_subsys(&sunrpc_net_ops); | |
adae0fe0 SK |
98 | if (err) |
99 | goto out3; | |
100 | ||
101 | err = register_rpc_pipefs(); | |
2f72c9b7 PE |
102 | if (err) |
103 | goto out4; | |
b4b9d2cc | 104 | |
f9c72d10 | 105 | sunrpc_debugfs_init(); |
f895b252 | 106 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
1da177e4 | 107 | rpc_register_sysctl(); |
1da177e4 | 108 | #endif |
360d8738 TT |
109 | svc_init_xprt_sock(); /* svc sock transport */ |
110 | init_socket_xprt(); /* clnt sock transport */ | |
5d8d9a4d | 111 | return 0; |
2f72c9b7 PE |
112 | |
113 | out4: | |
adae0fe0 | 114 | unregister_pernet_subsys(&sunrpc_net_ops); |
5d8d9a4d | 115 | out3: |
adae0fe0 | 116 | rpcauth_remove_module(); |
5d8d9a4d | 117 | out2: |
adae0fe0 | 118 | rpc_destroy_mempool(); |
1da177e4 LT |
119 | out: |
120 | return err; | |
121 | } | |
122 | ||
123 | static void __exit | |
124 | cleanup_sunrpc(void) | |
125 | { | |
c929ea0b | 126 | rpc_cleanup_clids(); |
f5c2187c | 127 | rpcauth_remove_module(); |
282b32e1 | 128 | cleanup_socket_xprt(); |
360d8738 | 129 | svc_cleanup_xprt_sock(); |
b4b9d2cc | 130 | sunrpc_debugfs_exit(); |
1da177e4 LT |
131 | unregister_rpc_pipefs(); |
132 | rpc_destroy_mempool(); | |
2f72c9b7 | 133 | unregister_pernet_subsys(&sunrpc_net_ops); |
f895b252 | 134 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
1da177e4 | 135 | rpc_unregister_sysctl(); |
1da177e4 | 136 | #endif |
75de874f | 137 | rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
1da177e4 LT |
138 | } |
139 | MODULE_LICENSE("GPL"); | |
405d8f8b | 140 | fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ |
1da177e4 | 141 | module_exit(cleanup_sunrpc); |