[unix-history] / usr / src / sys / vm / vnode_pager.h

/*
 * Copyright (c) 1990 University of Utah.
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)vnode_pager.h	7.2 (Berkeley) %G%
 */

#ifndef	_VNODE_PAGER_
#define	_VNODE_PAGER_	1

/*
 * VNODE pager private data.
 */
struct vnpager {
	int		vnp_flags;	/* flags */
	struct vnode	*vnp_vp;	/* vnode */
	vm_size_t	vnp_size;	/* vnode current size */
};
typedef struct vnpager	*vn_pager_t;

#define VN_PAGER_NULL	((vn_pager_t)0)

#define	VNP_PAGING	0x01		/* vnode used for pageout */
#define VNP_CACHED	0x02		/* vnode is cached */

#endif	/* _VNODE_PAGER_ */
Commit	Line	Data
619edcce KM	1	/*
	2	* Copyright (c) 1990 University of Utah.
	3	* Copyright (c) 1991 The Regents of the University of California.
	4	* All rights reserved.
	5	*
	6	* This code is derived from software contributed to Berkeley by
	7	* the Systems Programming Group of the University of Utah Computer
	8	* Science Department.
	9	*
	10	* %sccs.include.redist.c%
	11	*
3532f4ce	12	* @(#)vnode_pager.h 7.2 (Berkeley) %G%
619edcce KM	13	*/
	14
	15	#ifndef _VNODE_PAGER_
	16	#define _VNODE_PAGER_ 1
	17
	18	/*
	19	* VNODE pager private data.
	20	*/
	21	struct vnpager {
	22	int vnp_flags; /* flags */
	23	struct vnode vnp_vp; / vnode */
	24	vm_size_t vnp_size; /* vnode current size */
	25	};
	26	typedef struct vnpager *vn_pager_t;
	27
	28	#define VN_PAGER_NULL ((vn_pager_t)0)
	29
	30	#define VNP_PAGING 0x01 /* vnode used for pageout */
	31	#define VNP_CACHED 0x02 /* vnode is cached */
	32
619edcce	33	#endif /* _VNODE_PAGER_ */