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[linux-2.6] / fs / coda / sysctl.c
1 /*
2  * Sysctl operations for Coda filesystem
3  * Original version: (C) 1996 P. Braam and M. Callahan
4  * Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
5  * 
6  * Carnegie Mellon encourages users to contribute improvements to
7  * the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
8  */
9
10 #include <linux/sysctl.h>
11
12 #include "coda_int.h"
13
14 #ifdef CONFIG_SYSCTL
15 static struct ctl_table_header *fs_table_header;
16 #endif
17
18 static ctl_table coda_table[] = {
19         {
20                 .ctl_name       = CTL_UNNUMBERED,
21                 .procname       = "timeout",
22                 .data           = &coda_timeout,
23                 .maxlen         = sizeof(int),
24                 .mode           = 0644,
25                 .proc_handler   = &proc_dointvec
26         },
27         {
28                 .ctl_name       = CTL_UNNUMBERED,
29                 .procname       = "hard",
30                 .data           = &coda_hard,
31                 .maxlen         = sizeof(int),
32                 .mode           = 0644,
33                 .proc_handler   = &proc_dointvec
34         },
35         {
36                 .ctl_name       = CTL_UNNUMBERED,
37                 .procname       = "fake_statfs",
38                 .data           = &coda_fake_statfs,
39                 .maxlen         = sizeof(int),
40                 .mode           = 0600,
41                 .proc_handler   = &proc_dointvec
42         },
43         {}
44 };
45
46 #ifdef CONFIG_SYSCTL
47 static ctl_table fs_table[] = {
48         {
49                 .ctl_name       = CTL_UNNUMBERED,
50                 .procname       = "coda",
51                 .mode           = 0555,
52                 .child          = coda_table
53         },
54         {}
55 };
56 #endif
57
58 void coda_sysctl_init(void)
59 {
60 #ifdef CONFIG_SYSCTL
61         if ( !fs_table_header )
62                 fs_table_header = register_sysctl_table(fs_table);
63 #endif
64 }
65
66 void coda_sysctl_clean(void)
67 {
68 #ifdef CONFIG_SYSCTL
69         if ( fs_table_header ) {
70                 unregister_sysctl_table(fs_table_header);
71                 fs_table_header = NULL;
72         }
73 #endif
74 }