| | 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 "netns.h" |
| | 28 | |
| | 29 | unsigned int sunrpc_net_id; |
| | 30 | EXPORT_SYMBOL_GPL(sunrpc_net_id); |
| | 31 | |
| | 32 | static __net_init int sunrpc_init_net(struct net *net) |
| | 33 | { |
| | 34 | int err; |
| | 35 | struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); |
| | 36 | |
| | 37 | err = rpc_proc_init(net); |
| | 38 | if (err) |
| | 39 | goto err_proc; |
| | 40 | |
| | 41 | err = ip_map_cache_create(net); |
| | 42 | if (err) |
| | 43 | goto err_ipmap; |
| | 44 | |
| | 45 | err = unix_gid_cache_create(net); |
| | 46 | if (err) |
| | 47 | goto err_unixgid; |
| | 48 | |
| | 49 | err = rpc_pipefs_init_net(net); |
| | 50 | if (err) |
| | 51 | goto err_pipefs; |
| | 52 | |
| | 53 | INIT_LIST_HEAD(&sn->all_clients); |
| | 54 | spin_lock_init(&sn->rpc_client_lock); |
| | 55 | spin_lock_init(&sn->rpcb_clnt_lock); |
| | 56 | return 0; |
| | 57 | |
| | 58 | err_pipefs: |
| | 59 | unix_gid_cache_destroy(net); |
| | 60 | err_unixgid: |
| | 61 | ip_map_cache_destroy(net); |
| | 62 | err_ipmap: |
| | 63 | rpc_proc_exit(net); |
| | 64 | err_proc: |
| | 65 | return err; |
| | 66 | } |
| | 67 | |
| | 68 | static __net_exit void sunrpc_exit_net(struct net *net) |
| | 69 | { |
| | 70 | struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); |
| | 71 | |
| | 72 | rpc_pipefs_exit_net(net); |
| | 73 | unix_gid_cache_destroy(net); |
| | 74 | ip_map_cache_destroy(net); |
| | 75 | rpc_proc_exit(net); |
| | 76 | WARN_ON_ONCE(!list_empty(&sn->all_clients)); |
| | 77 | } |
| | 78 | |
| | 79 | static struct pernet_operations sunrpc_net_ops = { |
| | 80 | .init = sunrpc_init_net, |
| | 81 | .exit = sunrpc_exit_net, |
| | 82 | .id = &sunrpc_net_id, |
| | 83 | .size = sizeof(struct sunrpc_net), |
| | 84 | }; |
| | 85 | |
| | 86 | static int __init |
| | 87 | init_sunrpc(void) |
| | 88 | { |
| | 89 | int err = rpc_init_mempool(); |
| | 90 | if (err) |
| | 91 | goto out; |
| | 92 | err = rpcauth_init_module(); |
| | 93 | if (err) |
| | 94 | goto out2; |
| | 95 | |
| | 96 | cache_initialize(); |
| | 97 | |
| | 98 | err = register_pernet_subsys(&sunrpc_net_ops); |
| | 99 | if (err) |
| | 100 | goto out3; |
| | 101 | |
| | 102 | err = register_rpc_pipefs(); |
| | 103 | if (err) |
| | 104 | goto out4; |
| | 105 | |
| | 106 | sunrpc_debugfs_init(); |
| | 107 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
| | 108 | rpc_register_sysctl(); |
| | 109 | #endif |
| | 110 | svc_init_xprt_sock(); /* svc sock transport */ |
| | 111 | init_socket_xprt(); /* clnt sock transport */ |
| | 112 | return 0; |
| | 113 | |
| | 114 | out4: |
| | 115 | unregister_pernet_subsys(&sunrpc_net_ops); |
| | 116 | out3: |
| | 117 | rpcauth_remove_module(); |
| | 118 | out2: |
| | 119 | rpc_destroy_mempool(); |
| | 120 | out: |
| | 121 | return err; |
| | 122 | } |
| | 123 | |
| | 124 | static void __exit |
| | 125 | cleanup_sunrpc(void) |
| | 126 | { |
| | 127 | rpc_cleanup_clids(); |
| | 128 | rpcauth_remove_module(); |
| | 129 | cleanup_socket_xprt(); |
| | 130 | svc_cleanup_xprt_sock(); |
| | 131 | sunrpc_debugfs_exit(); |
| | 132 | unregister_rpc_pipefs(); |
| | 133 | rpc_destroy_mempool(); |
| | 134 | unregister_pernet_subsys(&sunrpc_net_ops); |
| | 135 | auth_domain_cleanup(); |
| | 136 | #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) |
| | 137 | rpc_unregister_sysctl(); |
| | 138 | #endif |
| | 139 | rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
| | 140 | } |
| | 141 | MODULE_LICENSE("GPL"); |
| | 142 | fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */ |
| | 143 | module_exit(cleanup_sunrpc); |
projects / mirror_ubuntu-focal-kernel.git / blame_incremental