2 * Copyright (c) 1990 University of Utah.
3 * Copyright (c) 1991, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93
35 * $FreeBSD: src/sys/vm/vnode_pager.h,v 1.14 1999/12/29 04:55:12 peter Exp $
38 #ifndef _VM_VNODE_PAGER_H_
39 #define _VM_VNODE_PAGER_H_
44 #include <sys/types.h>
46 #ifndef _VM_VM_OBJECT_H_
47 #include <vm/vm_object.h>
50 struct vm_map_backing
;
52 void vnode_pager_freepage (vm_page_t
);
53 struct vnode
*vnode_pager_lock (struct vm_map_backing
*);
56 * XXX Generic routines; currently called by badly written FS code; these
57 * XXX should go away soon.
59 int vnode_pager_generic_getpages (struct vnode
*, vm_page_t
*, int, int, int);
60 int vnode_pager_generic_putpages (struct vnode
*, vm_page_t
*, int, int, int *);
63 #endif /* _VM_VNODE_PAGER_H_ */