[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 "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);
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
2f72c9b7 PE	26	#include "netns.h"
2f72c9b7 PE	27
c7d03a00	28	unsigned int sunrpc_net_id;
a1db410d	29	EXPORT_SYMBOL_GPL(sunrpc_net_id);
2f72c9b7 PE	30
	31	static __net_init int sunrpc_init_net(struct net *net)
	32	{
4f42d0d5	33	int err;
70abc49b	34	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
4f42d0d5 PE	35
	36	err = rpc_proc_init(net);
	37	if (err)
	38	goto err_proc;
	39
90d51b02 PE	40	err = ip_map_cache_create(net);
	41	if (err)
	42	goto err_ipmap;
	43
73393232 SK	44	err = unix_gid_cache_create(net);
	45	if (err)
	46	goto err_unixgid;
	47
4b9a445e JL	48	err = rpc_pipefs_init_net(net);
	49	if (err)
	50	goto err_pipefs;
	51
70abc49b SK	52	INIT_LIST_HEAD(&sn->all_clients);
70abc49b SK	53	spin_lock_init(&sn->rpc_client_lock);
1d96e80f	54	spin_lock_init(&sn->rpcb_clnt_lock);
2f72c9b7	55	return 0;
4f42d0d5	56
4b9a445e JL	57	err_pipefs:
4b9a445e JL	58	unix_gid_cache_destroy(net);
73393232 SK	59	err_unixgid:
73393232 SK	60	ip_map_cache_destroy(net);
90d51b02 PE	61	err_ipmap:
90d51b02 PE	62	rpc_proc_exit(net);
4f42d0d5 PE	63	err_proc:
4f42d0d5 PE	64	return err;
2f72c9b7 PE	65	}
	66
	67	static __net_exit void sunrpc_exit_net(struct net *net)
	68	{
4112be70 VA	69	struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
4112be70 VA	70
4b9a445e	71	rpc_pipefs_exit_net(net);
73393232	72	unix_gid_cache_destroy(net);
90d51b02	73	ip_map_cache_destroy(net);
4f42d0d5	74	rpc_proc_exit(net);
4112be70	75	WARN_ON_ONCE(!list_empty(&sn->all_clients));
2f72c9b7 PE	76	}
	77
	78	static struct pernet_operations sunrpc_net_ops = {
	79	.init = sunrpc_init_net,
	80	.exit = sunrpc_exit_net,
	81	.id = &sunrpc_net_id,
	82	.size = sizeof(struct sunrpc_net),
	83	};
	84
1da177e4 LT	85	static int __init
	86	init_sunrpc(void)
	87	{
adae0fe0	88	int err = rpc_init_mempool();
1da177e4 LT	89	if (err)
1da177e4 LT	90	goto out;
5d8d9a4d TM	91	err = rpcauth_init_module();
5d8d9a4d TM	92	if (err)
adae0fe0	93	goto out2;
2f72c9b7 PE	94
	95	cache_initialize();
	96
	97	err = register_pernet_subsys(&sunrpc_net_ops);
adae0fe0 SK	98	if (err)
	99	goto out3;
	100
	101	err = register_rpc_pipefs();
2f72c9b7 PE	102	if (err)
2f72c9b7 PE	103	goto out4;
b4b9d2cc	104
f9c72d10	105	sunrpc_debugfs_init();
f895b252	106	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
1da177e4	107	rpc_register_sysctl();
1da177e4	108	#endif
360d8738 TT	109	svc_init_xprt_sock(); /* svc sock transport */
360d8738 TT	110	init_socket_xprt(); /* clnt sock transport */
5d8d9a4d	111	return 0;
2f72c9b7 PE	112
2f72c9b7 PE	113	out4:
adae0fe0	114	unregister_pernet_subsys(&sunrpc_net_ops);
5d8d9a4d	115	out3:
adae0fe0	116	rpcauth_remove_module();
5d8d9a4d	117	out2:
adae0fe0	118	rpc_destroy_mempool();
1da177e4 LT	119	out:
	120	return err;
	121	}
	122
	123	static void __exit
	124	cleanup_sunrpc(void)
	125	{
c929ea0b	126	rpc_cleanup_clids();
f5c2187c	127	rpcauth_remove_module();
282b32e1	128	cleanup_socket_xprt();
360d8738	129	svc_cleanup_xprt_sock();
b4b9d2cc	130	sunrpc_debugfs_exit();
1da177e4 LT	131	unregister_rpc_pipefs();
1da177e4 LT	132	rpc_destroy_mempool();
2f72c9b7	133	unregister_pernet_subsys(&sunrpc_net_ops);
f895b252	134	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
1da177e4	135	rpc_unregister_sysctl();
1da177e4	136	#endif
75de874f	137	rcu_barrier(); /* Wait for completion of call_rcu()'s */
1da177e4 LT	138	}
1da177e4 LT	139	MODULE_LICENSE("GPL");
405d8f8b	140	fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
1da177e4	141	module_exit(cleanup_sunrpc);