[mirror_ubuntu-hirsute-kernel.git] / net / sunrpc / sunrpc_syms.c

// 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 "sunrpc.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);
	auth_domain_cleanup();
#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);
Commit	Line	Data
09c434b8	1	// SPDX-License-Identifier: GPL-2.0-only
1da177e4 LT	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
1da177e4 LT	10	#include <linux/module.h>
	11
	12	#include <linux/types.h>
1da177e4 LT	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>
49c36fcc	24	#include <linux/sunrpc/xprtsock.h>
1da177e4	25
f45db2b9	26	#include "sunrpc.h"
2f72c9b7 PE	27	#include "netns.h"
2f72c9b7 PE	28
c7d03a00	29	unsigned int sunrpc_net_id;
a1db410d	30	EXPORT_SYMBOL_GPL(sunrpc_net_id);
2f72c9b7 PE	31
	32	static __net_init int sunrpc_init_net(struct net *net)
	33	{
4f42d0d5	34	int err;
70abc49b	35	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
4f42d0d5 PE	36
	37	err = rpc_proc_init(net);
	38	if (err)
	39	goto err_proc;
	40
90d51b02 PE	41	err = ip_map_cache_create(net);
	42	if (err)
	43	goto err_ipmap;
	44
73393232 SK	45	err = unix_gid_cache_create(net);
	46	if (err)
	47	goto err_unixgid;
	48
4b9a445e JL	49	err = rpc_pipefs_init_net(net);
	50	if (err)
	51	goto err_pipefs;
	52
70abc49b SK	53	INIT_LIST_HEAD(&sn->all_clients);
70abc49b SK	54	spin_lock_init(&sn->rpc_client_lock);
1d96e80f	55	spin_lock_init(&sn->rpcb_clnt_lock);
2f72c9b7	56	return 0;
4f42d0d5	57
4b9a445e JL	58	err_pipefs:
4b9a445e JL	59	unix_gid_cache_destroy(net);
73393232 SK	60	err_unixgid:
73393232 SK	61	ip_map_cache_destroy(net);
90d51b02 PE	62	err_ipmap:
90d51b02 PE	63	rpc_proc_exit(net);
4f42d0d5 PE	64	err_proc:
4f42d0d5 PE	65	return err;
2f72c9b7 PE	66	}
	67
	68	static __net_exit void sunrpc_exit_net(struct net *net)
	69	{
4112be70 VA	70	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
4112be70 VA	71
4b9a445e	72	rpc_pipefs_exit_net(net);
73393232	73	unix_gid_cache_destroy(net);
90d51b02	74	ip_map_cache_destroy(net);
4f42d0d5	75	rpc_proc_exit(net);
4112be70	76	WARN_ON_ONCE(!list_empty(&sn->all_clients));
2f72c9b7 PE	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
1da177e4 LT	86	static int __init
	87	init_sunrpc(void)
	88	{
adae0fe0	89	int err = rpc_init_mempool();
1da177e4 LT	90	if (err)
1da177e4 LT	91	goto out;
5d8d9a4d TM	92	err = rpcauth_init_module();
5d8d9a4d TM	93	if (err)
adae0fe0	94	goto out2;
2f72c9b7 PE	95
	96	cache_initialize();
	97
	98	err = register_pernet_subsys(&sunrpc_net_ops);
adae0fe0 SK	99	if (err)
	100	goto out3;
	101
	102	err = register_rpc_pipefs();
2f72c9b7 PE	103	if (err)
2f72c9b7 PE	104	goto out4;
b4b9d2cc	105
f9c72d10	106	sunrpc_debugfs_init();
f895b252	107	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
1da177e4	108	rpc_register_sysctl();
1da177e4	109	#endif
360d8738 TT	110	svc_init_xprt_sock(); /* svc sock transport */
360d8738 TT	111	init_socket_xprt(); /* clnt sock transport */
5d8d9a4d	112	return 0;
2f72c9b7 PE	113
2f72c9b7 PE	114	out4:
adae0fe0	115	unregister_pernet_subsys(&sunrpc_net_ops);
5d8d9a4d	116	out3:
adae0fe0	117	rpcauth_remove_module();
5d8d9a4d	118	out2:
adae0fe0	119	rpc_destroy_mempool();
1da177e4 LT	120	out:
	121	return err;
	122	}
	123
	124	static void __exit
	125	cleanup_sunrpc(void)
	126	{
c929ea0b	127	rpc_cleanup_clids();
f5c2187c	128	rpcauth_remove_module();
282b32e1	129	cleanup_socket_xprt();
360d8738	130	svc_cleanup_xprt_sock();
b4b9d2cc	131	sunrpc_debugfs_exit();
1da177e4 LT	132	unregister_rpc_pipefs();
1da177e4 LT	133	rpc_destroy_mempool();
2f72c9b7	134	unregister_pernet_subsys(&sunrpc_net_ops);
f45db2b9	135	auth_domain_cleanup();
f895b252	136	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
1da177e4	137	rpc_unregister_sysctl();
1da177e4	138	#endif
75de874f	139	rcu_barrier(); /* Wait for completion of call_rcu()'s */
1da177e4 LT	140	}
1da177e4 LT	141	MODULE_LICENSE("GPL");
405d8f8b	142	fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
1da177e4	143	module_exit(cleanup_sunrpc);