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// SPDX-License-Identifier: GPL-2.0-only
/*
* 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)
{
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
rpc_pipefs_exit_net(net);
unix_gid_cache_destroy(net);
ip_map_cache_destroy(net);
rpc_proc_exit(net);
WARN_ON_ONCE(!list_empty(&sn->all_clients));
}
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);
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