1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * linux/fs/nfs/sysctl.c 3 * linux/fs/nfs/sysctl.c
4 * 4 *
5 * Sysctl interface to NFS parameters 5 * Sysctl interface to NFS parameters
6 */ 6 */
7 #include <linux/types.h> 7 #include <linux/types.h>
8 #include <linux/linkage.h> 8 #include <linux/linkage.h>
9 #include <linux/ctype.h> 9 #include <linux/ctype.h>
10 #include <linux/fs.h> 10 #include <linux/fs.h>
11 #include <linux/sysctl.h> 11 #include <linux/sysctl.h>
12 #include <linux/module.h> 12 #include <linux/module.h>
13 #include <linux/nfs_fs.h> 13 #include <linux/nfs_fs.h>
14 14
15 static struct ctl_table_header *nfs_callback_s 15 static struct ctl_table_header *nfs_callback_sysctl_table;
16 16
17 static struct ctl_table nfs_cb_sysctls[] = { 17 static struct ctl_table nfs_cb_sysctls[] = {
18 { 18 {
19 .procname = "nfs_mountpo 19 .procname = "nfs_mountpoint_timeout",
20 .data = &nfs_mountpo 20 .data = &nfs_mountpoint_expiry_timeout,
21 .maxlen = sizeof(nfs_m 21 .maxlen = sizeof(nfs_mountpoint_expiry_timeout),
22 .mode = 0644, 22 .mode = 0644,
23 .proc_handler = proc_dointve 23 .proc_handler = proc_dointvec_jiffies,
24 }, 24 },
25 { 25 {
26 .procname = "nfs_congest 26 .procname = "nfs_congestion_kb",
27 .data = &nfs_congest 27 .data = &nfs_congestion_kb,
28 .maxlen = sizeof(nfs_c 28 .maxlen = sizeof(nfs_congestion_kb),
29 .mode = 0644, 29 .mode = 0644,
30 .proc_handler = proc_dointve 30 .proc_handler = proc_dointvec,
31 }, 31 },
>> 32 { }
>> 33 };
>> 34
>> 35 static struct ctl_table nfs_cb_sysctl_dir[] = {
>> 36 {
>> 37 .procname = "nfs",
>> 38 .mode = 0555,
>> 39 .child = nfs_cb_sysctls,
>> 40 },
>> 41 { }
>> 42 };
>> 43
>> 44 static struct ctl_table nfs_cb_sysctl_root[] = {
>> 45 {
>> 46 .procname = "fs",
>> 47 .mode = 0555,
>> 48 .child = nfs_cb_sysctl_dir,
>> 49 },
>> 50 { }
32 }; 51 };
33 52
34 int nfs_register_sysctl(void) 53 int nfs_register_sysctl(void)
35 { 54 {
36 nfs_callback_sysctl_table = register_s !! 55 nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
37 if (nfs_callback_sysctl_table == NULL) 56 if (nfs_callback_sysctl_table == NULL)
38 return -ENOMEM; 57 return -ENOMEM;
39 return 0; 58 return 0;
40 } 59 }
41 60
42 void nfs_unregister_sysctl(void) 61 void nfs_unregister_sysctl(void)
43 { 62 {
44 unregister_sysctl_table(nfs_callback_s 63 unregister_sysctl_table(nfs_callback_sysctl_table);
45 nfs_callback_sysctl_table = NULL; 64 nfs_callback_sysctl_table = NULL;
46 } 65 }
47 66
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