sysctl.c
// SPDX-License-Identifier: GPL-2.0
/*
* linux/fs/nfs/sysctl.c
*
* Sysctl interface to NFS parameters
*/
#include <linux/types.h>
#include <linux/linkage.h>
#include <linux/ctype.h>
#include <linux/fs.h>
#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/nfs_fs.h>
static struct ctl_table_header *nfs_callback_sysctl_table;
static struct ctl_table nfs_cb_sysctls[] = {
{
.procname = "nfs_mountpoint_timeout",
.data = &nfs_mountpoint_expiry_timeout,
.maxlen = sizeof(nfs_mountpoint_expiry_timeout),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
},
{
.procname = "nfs_congestion_kb",
.data = &nfs_congestion_kb,
.maxlen = sizeof(nfs_congestion_kb),
.mode = 0644,
.proc_handler = proc_dointvec,
},
};
int nfs_register_sysctl(void)
{
nfs_callback_sysctl_table = register_sysctl("fs/nfs", nfs_cb_sysctls);
if (nfs_callback_sysctl_table == NULL)
return -ENOMEM;
return 0;
}
void nfs_unregister_sysctl(void)
{
unregister_sysctl_table(nfs_callback_sysctl_table);
nfs_callback_sysctl_table = NULL;
}