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 (1324B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * linux/fs/nfs/sysctl.c
      4 *
      5 * Sysctl interface to NFS parameters
      6 */
      7#include <linux/types.h>
      8#include <linux/linkage.h>
      9#include <linux/ctype.h>
     10#include <linux/fs.h>
     11#include <linux/sysctl.h>
     12#include <linux/module.h>
     13#include <linux/nfs_fs.h>
     14
     15static struct ctl_table_header *nfs_callback_sysctl_table;
     16
     17static struct ctl_table nfs_cb_sysctls[] = {
     18	{
     19		.procname	= "nfs_mountpoint_timeout",
     20		.data		= &nfs_mountpoint_expiry_timeout,
     21		.maxlen		= sizeof(nfs_mountpoint_expiry_timeout),
     22		.mode		= 0644,
     23		.proc_handler	= proc_dointvec_jiffies,
     24	},
     25	{
     26		.procname	= "nfs_congestion_kb",
     27		.data		= &nfs_congestion_kb,
     28		.maxlen		= sizeof(nfs_congestion_kb),
     29		.mode		= 0644,
     30		.proc_handler	= proc_dointvec,
     31	},
     32	{ }
     33};
     34
     35static struct ctl_table nfs_cb_sysctl_dir[] = {
     36	{
     37		.procname = "nfs",
     38		.mode = 0555,
     39		.child = nfs_cb_sysctls,
     40	},
     41	{ }
     42};
     43
     44static struct ctl_table nfs_cb_sysctl_root[] = {
     45	{
     46		.procname = "fs",
     47		.mode = 0555,
     48		.child = nfs_cb_sysctl_dir,
     49	},
     50	{ }
     51};
     52
     53int nfs_register_sysctl(void)
     54{
     55	nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
     56	if (nfs_callback_sysctl_table == NULL)
     57		return -ENOMEM;
     58	return 0;
     59}
     60
     61void nfs_unregister_sysctl(void)
     62{
     63	unregister_sysctl_table(nfs_callback_sysctl_table);
     64	nfs_callback_sysctl_table = NULL;
     65}