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 static struct ctl_table_header *fs_table_header;
  16
  17 static struct ctl_table coda_table[] = {
  18         {
  19                 .procname       = "timeout",
  20                 .data           = &coda_timeout,
  21                 .maxlen         = sizeof(int),
  22                 .mode           = 0644,
  23                 .proc_handler   = proc_dointvec
  24         },
  25         {
  26                 .procname       = "hard",
  27                 .data           = &coda_hard,
  28                 .maxlen         = sizeof(int),
  29                 .mode           = 0644,
  30                 .proc_handler   = proc_dointvec
  31         },
  32         {
  33                 .procname       = "fake_statfs",
  34                 .data           = &coda_fake_statfs,
  35                 .maxlen         = sizeof(int),
  36                 .mode           = 0600,
  37                 .proc_handler   = proc_dointvec
  38         },
  39         {}
  40 };
  41
  42 static struct ctl_table fs_table[] = {
  43         {
  44                 .procname       = "coda",
  45                 .mode           = 0555,
  46                 .child          = coda_table
  47         },
  48         {}
  49 };
  50
  51 void coda_sysctl_init(void)
  52 {
  53         if ( !fs_table_header )
  54                 fs_table_header = register_sysctl_table(fs_table);
  55 }
  56
  57 void coda_sysctl_clean(void)
  58 {
  59         if ( fs_table_header ) {
  60                 unregister_sysctl_table(fs_table_header);
  61                 fs_table_header = NULL;
  62         }
  63 }