cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sysctl.c (1243B)

      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
     15static struct ctl_table_header *fs_table_header;
     16
     17static 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
     42static struct ctl_table fs_table[] = {
     43	{
     44		.procname	= "coda",
     45		.mode		= 0555,
     46		.child		= coda_table
     47	},
     48	{}
     49};
     50
     51void coda_sysctl_init(void)
     52{
     53	if ( !fs_table_header )
     54		fs_table_header = register_sysctl_table(fs_table);
     55}
     56
     57void coda_sysctl_clean(void)
     58{
     59	if ( fs_table_header ) {
     60		unregister_sysctl_table(fs_table_header);
     61		fs_table_header = NULL;
     62	}
     63}