| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 | |
| 27 | int sunrpc_net_id; |
| 28 | EXPORT_SYMBOL_GPL(sunrpc_net_id); |
| 29 | |
| 30 | static __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 | rpc_pipefs_init_net(net); |
| 48 | INIT_LIST_HEAD(&sn->all_clients); |
| 49 | spin_lock_init(&sn->rpc_client_lock); |
| 50 | spin_lock_init(&sn->rpcb_clnt_lock); |
| 51 | return 0; |
| 52 | |
| 53 | err_unixgid: |
| 54 | ip_map_cache_destroy(net); |
| 55 | err_ipmap: |
| 56 | rpc_proc_exit(net); |
| 57 | err_proc: |
| 58 | return err; |
| 59 | } |
| 60 | |
| 61 | static __net_exit void sunrpc_exit_net(struct net *net) |
| 62 | { |
| 63 | unix_gid_cache_destroy(net); |
| 64 | ip_map_cache_destroy(net); |
| 65 | rpc_proc_exit(net); |
| 66 | } |
| 67 | |
| 68 | static struct pernet_operations sunrpc_net_ops = { |
| 69 | .init = sunrpc_init_net, |
| 70 | .exit = sunrpc_exit_net, |
| 71 | .id = &sunrpc_net_id, |
| 72 | .size = sizeof(struct sunrpc_net), |
| 73 | }; |
| 74 | |
| 75 | static int __init |
| 76 | init_sunrpc(void) |
| 77 | { |
| 78 | int err = rpc_init_mempool(); |
| 79 | if (err) |
| 80 | goto out; |
| 81 | err = rpcauth_init_module(); |
| 82 | if (err) |
| 83 | goto out2; |
| 84 | |
| 85 | cache_initialize(); |
| 86 | |
| 87 | err = register_pernet_subsys(&sunrpc_net_ops); |
| 88 | if (err) |
| 89 | goto out3; |
| 90 | |
| 91 | err = register_rpc_pipefs(); |
| 92 | if (err) |
| 93 | goto out4; |
| 94 | #ifdef RPC_DEBUG |
| 95 | rpc_register_sysctl(); |
| 96 | #endif |
| 97 | svc_init_xprt_sock(); /* svc sock transport */ |
| 98 | init_socket_xprt(); /* clnt sock transport */ |
| 99 | return 0; |
| 100 | |
| 101 | out4: |
| 102 | unregister_pernet_subsys(&sunrpc_net_ops); |
| 103 | out3: |
| 104 | rpcauth_remove_module(); |
| 105 | out2: |
| 106 | rpc_destroy_mempool(); |
| 107 | out: |
| 108 | return err; |
| 109 | } |
| 110 | |
| 111 | static void __exit |
| 112 | cleanup_sunrpc(void) |
| 113 | { |
| 114 | rpcauth_remove_module(); |
| 115 | cleanup_socket_xprt(); |
| 116 | svc_cleanup_xprt_sock(); |
| 117 | unregister_rpc_pipefs(); |
| 118 | rpc_destroy_mempool(); |
| 119 | unregister_pernet_subsys(&sunrpc_net_ops); |
| 120 | #ifdef RPC_DEBUG |
| 121 | rpc_unregister_sysctl(); |
| 122 | #endif |
| 123 | rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
| 124 | } |
| 125 | MODULE_LICENSE("GPL"); |
| 126 | fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ |
| 127 | module_exit(cleanup_sunrpc); |