[linux.git] / fs / nfs / sysctl.c

/*
 * 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 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,
	},
	{ }
};

static ctl_table nfs_cb_sysctl_dir[] = {
	{
		.procname = "nfs",
		.mode = 0555,
		.child = nfs_cb_sysctls,
	},
	{ }
};

static ctl_table nfs_cb_sysctl_root[] = {
	{
		.procname = "fs",
		.mode = 0555,
		.child = nfs_cb_sysctl_dir,
	},
	{ }
};

int nfs_register_sysctl(void)
{
	nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
	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;
}
Commit	Line	Data
a72b4422 TM	1	/*
	2	* linux/fs/nfs/sysctl.c
	3	*
	4	* Sysctl interface to NFS parameters
	5	*/
a72b4422 TM	6	#include <linux/types.h>
	7	#include <linux/linkage.h>
	8	#include <linux/ctype.h>
	9	#include <linux/fs.h>
	10	#include <linux/sysctl.h>
	11	#include <linux/module.h>
51d8fa6a	12	#include <linux/nfs_fs.h>
a72b4422	13
a72b4422	14	static struct ctl_table_header *nfs_callback_sysctl_table;
a72b4422 TM	15
a72b4422 TM	16	static ctl_table nfs_cb_sysctls[] = {
51d8fa6a	17	{
51d8fa6a TM	18	.procname = "nfs_mountpoint_timeout",
	19	.data = &nfs_mountpoint_expiry_timeout,
	20	.maxlen = sizeof(nfs_mountpoint_expiry_timeout),
	21	.mode = 0644,
6d456111	22	.proc_handler = proc_dointvec_jiffies,
51d8fa6a	23	},
89a09141	24	{
89a09141 PZ	25	.procname = "nfs_congestion_kb",
	26	.data = &nfs_congestion_kb,
	27	.maxlen = sizeof(nfs_congestion_kb),
	28	.mode = 0644,
6d456111	29	.proc_handler = proc_dointvec,
89a09141	30	},
ab09203e	31	{ }
a72b4422 TM	32	};
	33
	34	static ctl_table nfs_cb_sysctl_dir[] = {
	35	{
a72b4422 TM	36	.procname = "nfs",
	37	.mode = 0555,
	38	.child = nfs_cb_sysctls,
	39	},
ab09203e	40	{ }
a72b4422 TM	41	};
	42
	43	static ctl_table nfs_cb_sysctl_root[] = {
	44	{
a72b4422 TM	45	.procname = "fs",
	46	.mode = 0555,
	47	.child = nfs_cb_sysctl_dir,
	48	},
ab09203e	49	{ }
a72b4422 TM	50	};
	51
	52	int nfs_register_sysctl(void)
	53	{
0b4d4147	54	nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
a72b4422 TM	55	if (nfs_callback_sysctl_table == NULL)
	56	return -ENOMEM;
	57	return 0;
	58	}
	59
	60	void nfs_unregister_sysctl(void)
	61	{
	62	unregister_sysctl_table(nfs_callback_sysctl_table);
	63	nfs_callback_sysctl_table = NULL;
	64	}