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 * $Id: vnode_pager.h,v 1.11 1998/02/26 06:39:59 msmith Exp $ 40 */ 41 42 #ifndef _VNODE_PAGER_ 43 #define _VNODE_PAGER_ 1 44 45 #ifdef KERNEL 46 vm_object_t vnode_pager_alloc __P((void *, vm_ooffset_t, vm_prot_t, vm_ooffset_t)); 47 void vnode_pager_freepage __P((vm_page_t m)); 48 struct vnode *vnode_pager_lock __P((vm_object_t)); 49 50 /* 51 * XXX Generic routines; currently called by badly written FS code; these 52 * XXX should go away soon. 53 */ 54 int vnode_pager_generic_getpages __P((struct vnode *vp, vm_page_t *m, 55 int count, int reqpage)); 56 int vnode_pager_generic_putpages __P((struct vnode *vp, vm_page_t *m, 57 int count, boolean_t sync, 58 int *rtvals)); 59 #endif 60 61 #endif /* _VNODE_PAGER_ */ 62