Commit | Line | Data |
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466bfe7f BS |
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_idmap.h> | |
10 | #include <linux/nfs_fs.h> | |
11 | ||
12 | #include "callback.h" | |
13 | ||
14 | static const int nfs_set_port_min = 0; | |
15 | static const int nfs_set_port_max = 65535; | |
16 | static struct ctl_table_header *nfs4_callback_sysctl_table; | |
17 | ||
18 | static ctl_table nfs4_cb_sysctls[] = { | |
19 | { | |
20 | .procname = "nfs_callback_tcpport", | |
21 | .data = &nfs_callback_set_tcpport, | |
22 | .maxlen = sizeof(int), | |
23 | .mode = 0644, | |
24 | .proc_handler = proc_dointvec_minmax, | |
25 | .extra1 = (int *)&nfs_set_port_min, | |
26 | .extra2 = (int *)&nfs_set_port_max, | |
27 | }, | |
28 | { | |
29 | .procname = "idmap_cache_timeout", | |
30 | .data = &nfs_idmap_cache_timeout, | |
31 | .maxlen = sizeof(int), | |
32 | .mode = 0644, | |
33 | .proc_handler = proc_dointvec_jiffies, | |
34 | }, | |
35 | { } | |
36 | }; | |
37 | ||
38 | static ctl_table nfs4_cb_sysctl_dir[] = { | |
39 | { | |
40 | .procname = "nfs", | |
41 | .mode = 0555, | |
42 | .child = nfs4_cb_sysctls, | |
43 | }, | |
44 | { } | |
45 | }; | |
46 | ||
47 | static ctl_table nfs4_cb_sysctl_root[] = { | |
48 | { | |
49 | .procname = "fs", | |
50 | .mode = 0555, | |
51 | .child = nfs4_cb_sysctl_dir, | |
52 | }, | |
53 | { } | |
54 | }; | |
55 | ||
56 | int nfs4_register_sysctl(void) | |
57 | { | |
58 | nfs4_callback_sysctl_table = register_sysctl_table(nfs4_cb_sysctl_root); | |
59 | if (nfs4_callback_sysctl_table == NULL) | |
60 | return -ENOMEM; | |
61 | return 0; | |
62 | } | |
63 | ||
64 | void nfs4_unregister_sysctl(void) | |
65 | { | |
66 | unregister_sysctl_table(nfs4_callback_sysctl_table); | |
67 | nfs4_callback_sysctl_table = NULL; | |
68 | } |