/*
   * linux/net/sunrpc/sunrpc_syms.c
   *
   * Symbols exported by the sunrpc module.
   *
   * Copyright (C) 1997 Olaf Kirch <okir@monad.swb.de>
   */

  #include <linux/module.h>
  
  #include <linux/types.h>

  #include <linux/uio.h>
  #include <linux/unistd.h>
  #include <linux/init.h>
  
  #include <linux/sunrpc/sched.h>
  #include <linux/sunrpc/clnt.h>
  #include <linux/sunrpc/svc.h>
  #include <linux/sunrpc/svcsock.h>
  #include <linux/sunrpc/auth.h>
  #include <linux/workqueue.h>
  #include <linux/sunrpc/rpc_pipe_fs.h>

  #include <linux/sunrpc/xprtsock.h>

  #include "netns.h"

  unsigned int sunrpc_net_id;

  EXPORT_SYMBOL_GPL(sunrpc_net_id);

  
  static __net_init int sunrpc_init_net(struct net *net)
  {

  	int err;

  	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);

  
  	err = rpc_proc_init(net);
  	if (err)
  		goto err_proc;

  	err = ip_map_cache_create(net);
  	if (err)
  		goto err_ipmap;

  	err = unix_gid_cache_create(net);
  	if (err)
  		goto err_unixgid;

  	err = rpc_pipefs_init_net(net);
  	if (err)
  		goto err_pipefs;

  	INIT_LIST_HEAD(&sn->all_clients);
  	spin_lock_init(&sn->rpc_client_lock);

  	spin_lock_init(&sn->rpcb_clnt_lock);

  	return 0;

  err_pipefs:
  	unix_gid_cache_destroy(net);

  err_unixgid:
  	ip_map_cache_destroy(net);

  err_ipmap:
  	rpc_proc_exit(net);

  err_proc:
  	return err;

  }
  
  static __net_exit void sunrpc_exit_net(struct net *net)
  {

  	rpc_pipefs_exit_net(net);

  	unix_gid_cache_destroy(net);

  	ip_map_cache_destroy(net);

  	rpc_proc_exit(net);

  }
  
  static struct pernet_operations sunrpc_net_ops = {
  	.init = sunrpc_init_net,
  	.exit = sunrpc_exit_net,
  	.id = &sunrpc_net_id,
  	.size = sizeof(struct sunrpc_net),
  };

  static int __init
  init_sunrpc(void)
  {

  	int err = rpc_init_mempool();

  	if (err)
  		goto out;

  	err = rpcauth_init_module();
  	if (err)

  		goto out2;

  
  	cache_initialize();
  
  	err = register_pernet_subsys(&sunrpc_net_ops);
  	if (err)

  		goto out3;
  
  	err = register_rpc_pipefs();
  	if (err)

  		goto out4;

  	sunrpc_debugfs_init();

  #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)

  	rpc_register_sysctl();
  #endif

  	svc_init_xprt_sock();	/* svc sock transport */
  	init_socket_xprt();	/* clnt sock transport */

  	return 0;

  
  out4:

  	unregister_pernet_subsys(&sunrpc_net_ops);

  out3:

  	rpcauth_remove_module();

  out2:

  	rpc_destroy_mempool();

  out:
  	return err;
  }
  
  static void __exit
  cleanup_sunrpc(void)
  {

  	rpc_cleanup_clids();

  	rpcauth_remove_module();

  	cleanup_socket_xprt();

  	svc_cleanup_xprt_sock();

  	sunrpc_debugfs_exit();

  	unregister_rpc_pipefs();
  	rpc_destroy_mempool();

  	unregister_pernet_subsys(&sunrpc_net_ops);

  #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)

  	rpc_unregister_sysctl();
  #endif

  	rcu_barrier(); /* Wait for completion of call_rcu()'s */

  }
  MODULE_LICENSE("GPL");

  fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */

  module_exit(cleanup_sunrpc);