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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}
65
