1/*
 2 * linux/fs/nfs/sysctl.c
 3 *
 4 * Sysctl interface to NFS parameters
 5 */
 6#include <linux/types.h>
 7#include <linux/linkage.h>
 8#include <linux/ctype.h>
 9#include <linux/fs.h>
10#include <linux/sysctl.h>
11#include <linux/module.h>
12#include <linux/nfs_fs.h>
13
14static struct ctl_table_header *nfs_callback_sysctl_table;
15
16static struct ctl_table nfs_cb_sysctls[] = {
17	{
18		.procname	= "nfs_mountpoint_timeout",
19		.data		= &nfs_mountpoint_expiry_timeout,
20		.maxlen		= sizeof(nfs_mountpoint_expiry_timeout),
21		.mode		= 0644,
22		.proc_handler	= proc_dointvec_jiffies,
23	},
24	{
25		.procname	= "nfs_congestion_kb",
26		.data		= &nfs_congestion_kb,
27		.maxlen		= sizeof(nfs_congestion_kb),
28		.mode		= 0644,
29		.proc_handler	= proc_dointvec,
30	},
31	{ }
32};
33
34static struct ctl_table nfs_cb_sysctl_dir[] = {
35	{
36		.procname = "nfs",
37		.mode = 0555,
38		.child = nfs_cb_sysctls,
39	},
40	{ }
41};
42
43static struct ctl_table nfs_cb_sysctl_root[] = {
44	{
45		.procname = "fs",
46		.mode = 0555,
47		.child = nfs_cb_sysctl_dir,
48	},
49	{ }
50};
51
52int nfs_register_sysctl(void)
53{
54	nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
55	if (nfs_callback_sysctl_table == NULL)
56		return -ENOMEM;
57	return 0;
58}
59
60void nfs_unregister_sysctl(void)
61{
62	unregister_sysctl_table(nfs_callback_sysctl_table);
63	nfs_callback_sysctl_table = NULL;
64}

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * linux/fs/nfs/sysctl.c
 4 *
 5 * Sysctl interface to NFS parameters
 6 */
 7#include <linux/types.h>
 8#include <linux/linkage.h>
 9#include <linux/ctype.h>
10#include <linux/fs.h>
11#include <linux/sysctl.h>
12#include <linux/module.h>
13#include <linux/nfs_fs.h>
14
15static struct ctl_table_header *nfs_callback_sysctl_table;
16
17static struct ctl_table nfs_cb_sysctls[] = {
18	{
19		.procname	= "nfs_mountpoint_timeout",
20		.data		= &nfs_mountpoint_expiry_timeout,
21		.maxlen		= sizeof(nfs_mountpoint_expiry_timeout),
22		.mode		= 0644,
23		.proc_handler	= proc_dointvec_jiffies,
24	},
25	{
26		.procname	= "nfs_congestion_kb",
27		.data		= &nfs_congestion_kb,
28		.maxlen		= sizeof(nfs_congestion_kb),
29		.mode		= 0644,
30		.proc_handler	= proc_dointvec,
31	},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32};
33
34int nfs_register_sysctl(void)
35{
36	nfs_callback_sysctl_table = register_sysctl("fs/nfs", nfs_cb_sysctls);
37	if (nfs_callback_sysctl_table == NULL)
38		return -ENOMEM;
39	return 0;
40}
41
42void nfs_unregister_sysctl(void)
43{
44	unregister_sysctl_table(nfs_callback_sysctl_table);
45	nfs_callback_sysctl_table = NULL;
46}