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); 128