swapnode.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_FS_SWAPNODE_H
#define _SYS_FS_SWAPNODE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* pointer to swapfs global data structures
*/
extern pgcnt_t swapfs_minfree; /* amount of availrmem (in pages) */
/* that is unavailable to swapfs */
extern pgcnt_t swapfs_desfree;
extern pgcnt_t swapfs_reserve; /* amount of availrmem (in pages) */
/* that is unavailable for swap */
/* reservation to non-priv processes */
extern struct vnodeops *swap_vnodeops;
extern struct vnode *swapfs_getvp(ulong_t);
#ifdef SWAPFS_DEBUG
extern int swapfs_debug;
#define SWAPFS_PRINT(X, S, Y1, Y2, Y3, Y4, Y5) \
if (swapfs_debug & (X)) \
printf(S, Y1, Y2, Y3, Y4, Y5);
#define SWAP_SUBR 0x01
#define SWAP_VOPS 0x02
#define SWAP_VFSOPS 0x04
#define SWAP_PGC 0x08
#define SWAP_PUTP 0x10
#else /* SWAPFS_DEBUG */
#define SWAPFS_PRINT(X, S, Y1, Y2, Y3, Y4, Y5)
#endif /* SWAPFS_DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FS_SWAPNODE_H */