net/sunrpc/sunrpc_syms.c

   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
  29 static __net_init int sunrpc_init_net(struct net *net)
  30 {
  31         int err;
  32
  33         err = rpc_proc_init(net);
  34         if (err)
  35                 goto err_proc;
  36
  37         err = ip_map_cache_create(net);
  38         if (err)
  39                 goto err_ipmap;
  40
  41         return 0;
  42
  43 err_ipmap:
  44         rpc_proc_exit(net);
  45 err_proc:
  46         return err;
  47 }
  48
  49 static __net_exit void sunrpc_exit_net(struct net *net)
  50 {
  51         ip_map_cache_destroy(net);
  52         rpc_proc_exit(net);
  53 }
  54
  55 static struct pernet_operations sunrpc_net_ops = {
  56         .init = sunrpc_init_net,
  57         .exit = sunrpc_exit_net,
  58         .id = &sunrpc_net_id,
  59         .size = sizeof(struct sunrpc_net),
  60 };
  61
  62 extern struct cache_detail unix_gid_cache;
  63
  64 extern void cleanup_rpcb_clnt(void);
  65
  66 static int __init
  67 init_sunrpc(void)
  68 {
  69         int err = register_rpc_pipefs();
  70         if (err)
  71                 goto out;
  72         err = rpc_init_mempool();
  73         if (err)
  74                 goto out2;
  75         err = rpcauth_init_module();
  76         if (err)
  77                 goto out3;
  78
  79         cache_initialize();
  80
  81         err = register_pernet_subsys(&sunrpc_net_ops);
  82         if (err)
  83                 goto out4;
  84 #ifdef RPC_DEBUG
  85         rpc_register_sysctl();
  86 #endif
  87         cache_register(&unix_gid_cache);
  88         svc_init_xprt_sock();   /* svc sock transport */
  89         init_socket_xprt();     /* clnt sock transport */
  90         return 0;
  91
  92 out4:
  93         rpcauth_remove_module();
  94 out3:
  95         rpc_destroy_mempool();
  96 out2:
  97         unregister_rpc_pipefs();
  98 out:
  99         return err;
 100 }
 101
 102 static void __exit
 103 cleanup_sunrpc(void)
 104 {
 105         cleanup_rpcb_clnt();
 106         rpcauth_remove_module();
 107         cleanup_socket_xprt();
 108         svc_cleanup_xprt_sock();
 109         unregister_rpc_pipefs();
 110         rpc_destroy_mempool();
 111         cache_unregister(&unix_gid_cache);
 112         unregister_pernet_subsys(&sunrpc_net_ops);
 113 #ifdef RPC_DEBUG
 114         rpc_unregister_sysctl();
 115 #endif
 116         rcu_barrier(); /* Wait for completion of call_rcu()'s */
 117 }
 118 MODULE_LICENSE("GPL");
 119 fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
 120 module_exit(cleanup_sunrpc);