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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_SYSCNTL_H__
#define __XFS_SYSCNTL_H__
#include <linux/sysctl.h>
/*
* Tunable xfs parameters
*/
#define XFS_PARAM 2
typedef union xfs_param {
struct {
ulong refcache_size; /* Size of nfs refcache */
ulong refcache_purge; /* # of entries to purge each time */
} xfs_un;
ulong data[XFS_PARAM];
} xfs_param_t;
enum
{
XFS_REFCACHE_SIZE = 1,
XFS_REFCACHE_PURGE = 2,
};
extern xfs_param_t xfs_params;
void xfs_sysctl_register(void);
void xfs_sysctl_unregister(void);
int xfs_refcache_resize_proc_handler(
ctl_table *ctl, int write, struct file * filp,
void *buffer, size_t *lenp);
#endif /* __XFS_SYSCNTL_H__ */
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