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 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 56 err_pipefs: 57 unix_gid_cache_destroy(net); 58 err_unixgid: 59 ip_map_cache_destroy(net); 60 err_ipmap: 61 rpc_proc_exit(net); 62 err_proc: 63 return err; 64 } 65 66 static __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 74 static 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 81 static int __init 82 init_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; 100 101 sunrpc_debugfs_init(); 102 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) 103 rpc_register_sysctl(); 104 #endif 105 svc_init_xprt_sock(); /* svc sock transport */ 106 init_socket_xprt(); /* clnt sock transport */ 107 return 0; 108 109 out4: 110 unregister_pernet_subsys(&sunrpc_net_ops); 111 out3: 112 rpcauth_remove_module(); 113 out2: 114 rpc_destroy_mempool(); 115 out: 116 return err; 117 } 118 119 static void __exit 120 cleanup_sunrpc(void) 121 { 122 rpcauth_remove_module(); 123 cleanup_socket_xprt(); 124 svc_cleanup_xprt_sock(); 125 sunrpc_debugfs_exit(); 126 unregister_rpc_pipefs(); 127 rpc_destroy_mempool(); 128 unregister_pernet_subsys(&sunrpc_net_ops); 129 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) 130 rpc_unregister_sysctl(); 131 #endif 132 rcu_barrier(); /* Wait for completion of call_rcu()'s */ 133 } 134 MODULE_LICENSE("GPL"); 135 fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ 136 module_exit(cleanup_sunrpc); 137