fs/coda/sysctl.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Sysctl operations for Coda filesystem
   4  * Original version: (C) 1996 P. Braam and M. Callahan
   5  * Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
   6  *
   7  * Carnegie Mellon encourages users to contribute improvements to
   8  * the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
   9  */
  10
  11 #include <linux/sysctl.h>
  12
  13 #include "coda_int.h"
  14
  15 #ifdef CONFIG_SYSCTL
  16 static struct ctl_table_header *fs_table_header;
  17
  18 static struct ctl_table coda_table[] = {
  19         {
  20                 .procname       = "timeout",
  21                 .data           = &coda_timeout,
  22                 .maxlen         = sizeof(int),
  23                 .mode           = 0644,
  24                 .proc_handler   = proc_dointvec
  25         },
  26         {
  27                 .procname       = "hard",
  28                 .data           = &coda_hard,
  29                 .maxlen         = sizeof(int),
  30                 .mode           = 0644,
  31                 .proc_handler   = proc_dointvec
  32         },
  33         {
  34                 .procname       = "fake_statfs",
  35                 .data           = &coda_fake_statfs,
  36                 .maxlen         = sizeof(int),
  37                 .mode           = 0600,
  38                 .proc_handler   = proc_dointvec
  39         },
  40         {}
  41 };
  42
  43 static struct ctl_table fs_table[] = {
  44         {
  45                 .procname       = "coda",
  46                 .mode           = 0555,
  47                 .child          = coda_table
  48         },
  49         {}
  50 };
  51
  52 void coda_sysctl_init(void)
  53 {
  54         if ( !fs_table_header )
  55                 fs_table_header = register_sysctl_table(fs_table);
  56 }
  57
  58 void coda_sysctl_clean(void)
  59 {
  60         if ( fs_table_header ) {
  61                 unregister_sysctl_table(fs_table_header);
  62                 fs_table_header = NULL;
  63         }
  64 }
  65
  66 #else
  67 void coda_sysctl_init(void)
  68 {
  69 }
  70
  71 void coda_sysctl_clean(void)
  72 {
  73 }
  74 #endif