1 /* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. 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 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93 39 * $FreeBSD: src/sys/vm/vnode_pager.h,v 1.14 1999/12/29 04:55:12 peter Exp $ 40 */ 41 42 #ifndef _VM_VNODE_PAGER_H_ 43 #define _VM_VNODE_PAGER_H_ 44 45 #ifdef _KERNEL 46 47 #ifndef _SYS_TYPES_H_ 48 #include <sys/types.h> 49 #endif 50 #ifndef _VM_VM_OBJECT_H_ 51 #include <vm/vm_object.h> 52 #endif 53 54 void vnode_pager_freepage (vm_page_t); 55 struct vnode *vnode_pager_lock (vm_object_t); 56 57 /* 58 * XXX Generic routines; currently called by badly written FS code; these 59 * XXX should go away soon. 60 */ 61 int vnode_pager_generic_getpages (struct vnode *, vm_page_t *, int, int, int); 62 int vnode_pager_generic_putpages (struct vnode *, vm_page_t *, int, int, int *); 63 #endif 64 65 #endif /* _VM_VNODE_PAGER_H_ */ 66