1
2
3
4
5
6
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}
70
