1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * linux/fs/nfs/nfs4sysctl.c
 4 *
 5 * Sysctl interface to NFS v4 parameters
 6 *
 7 * Copyright (c) 2006 Trond Myklebust <Trond.Myklebust@netapp.com>
 8 */
 9#include <linux/sysctl.h>
10#include <linux/nfs_fs.h>
11
12#include "nfs4_fs.h"
13#include "nfs4idmap.h"
14#include "callback.h"
15
16static const int nfs_set_port_min;
17static const int nfs_set_port_max = 65535;
18static struct ctl_table_header *nfs4_callback_sysctl_table;
19
20static struct ctl_table nfs4_cb_sysctls[] = {
21	{
22		.procname = "nfs_callback_tcpport",
23		.data = &nfs_callback_set_tcpport,
24		.maxlen = sizeof(int),
25		.mode = 0644,
26		.proc_handler = proc_dointvec_minmax,
27		.extra1 = (int *)&nfs_set_port_min,
28		.extra2 = (int *)&nfs_set_port_max,
29	},
30	{
31		.procname = "idmap_cache_timeout",
32		.data = &nfs_idmap_cache_timeout,
33		.maxlen = sizeof(int),
34		.mode = 0644,
35		.proc_handler = proc_dointvec,
36	},
37	{ }
38};
39
40static struct ctl_table nfs4_cb_sysctl_dir[] = {
41	{
42		.procname = "nfs",
43		.mode = 0555,
44		.child = nfs4_cb_sysctls,
45	},
46	{ }
47};
48
49static struct ctl_table nfs4_cb_sysctl_root[] = {
50	{
51		.procname = "fs",
52		.mode = 0555,
53		.child = nfs4_cb_sysctl_dir,
54	},
55	{ }
56};
57
58int nfs4_register_sysctl(void)
59{
60	nfs4_callback_sysctl_table = register_sysctl_table(nfs4_cb_sysctl_root);
61	if (nfs4_callback_sysctl_table == NULL)
62		return -ENOMEM;
63	return 0;
64}
65
66void nfs4_unregister_sysctl(void)
67{
68	unregister_sysctl_table(nfs4_callback_sysctl_table);
69	nfs4_callback_sysctl_table = NULL;
70}

 
 1/*
 2 * linux/fs/nfs/nfs4sysctl.c
 3 *
 4 * Sysctl interface to NFS v4 parameters
 5 *
 6 * Copyright (c) 2006 Trond Myklebust <Trond.Myklebust@netapp.com>
 7 */
 8#include <linux/sysctl.h>
 9#include <linux/nfs_fs.h>
10
11#include "nfs4_fs.h"
12#include "nfs4idmap.h"
13#include "callback.h"
14
15static const int nfs_set_port_min;
16static const int nfs_set_port_max = 65535;
17static struct ctl_table_header *nfs4_callback_sysctl_table;
18
19static struct ctl_table nfs4_cb_sysctls[] = {
20	{
21		.procname = "nfs_callback_tcpport",
22		.data = &nfs_callback_set_tcpport,
23		.maxlen = sizeof(int),
24		.mode = 0644,
25		.proc_handler = proc_dointvec_minmax,
26		.extra1 = (int *)&nfs_set_port_min,
27		.extra2 = (int *)&nfs_set_port_max,
28	},
29	{
30		.procname = "idmap_cache_timeout",
31		.data = &nfs_idmap_cache_timeout,
32		.maxlen = sizeof(int),
33		.mode = 0644,
34		.proc_handler = proc_dointvec_jiffies,
35	},
36	{ }
37};
38
39static struct ctl_table nfs4_cb_sysctl_dir[] = {
40	{
41		.procname = "nfs",
42		.mode = 0555,
43		.child = nfs4_cb_sysctls,
44	},
45	{ }
46};
47
48static struct ctl_table nfs4_cb_sysctl_root[] = {
49	{
50		.procname = "fs",
51		.mode = 0555,
52		.child = nfs4_cb_sysctl_dir,
53	},
54	{ }
55};
56
57int nfs4_register_sysctl(void)
58{
59	nfs4_callback_sysctl_table = register_sysctl_table(nfs4_cb_sysctl_root);
60	if (nfs4_callback_sysctl_table == NULL)
61		return -ENOMEM;
62	return 0;
63}
64
65void nfs4_unregister_sysctl(void)
66{
67	unregister_sysctl_table(nfs4_callback_sysctl_table);
68	nfs4_callback_sysctl_table = NULL;
69}