LXR linux/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
  16static struct ctl_table_header *fs_table_header;
  17
  18static 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
  43static struct ctl_table fs_table[] = {
  44        {
  45                .procname       = "coda",
  46                .mode           = 0555,
  47                .child          = coda_table
  48        },
  49        {}
  50};
  51
  52void coda_sysctl_init(void)
  53{
  54        if ( !fs_table_header )
  55                fs_table_header = register_sysctl_table(fs_table);
  56}
  57
  58void 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
  67void coda_sysctl_init(void)
  68{
  69}
  70
  71void coda_sysctl_clean(void)
  72{
  73}
  74#endif
  75