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. 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. 21 * 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 32 * SUCH DAMAGE. 33 * 34 * @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93 35 * $FreeBSD$ 36 */ 37 38 #ifndef _VNODE_PAGER_ 39 #define _VNODE_PAGER_ 1 40 41 #ifdef _KERNEL 42 43 int vnode_pager_generic_getpages(struct vnode *vp, vm_page_t *m, 44 int count, int *rbehind, int *rahead, vop_getpages_iodone_t iodone, 45 void *arg); 46 int vnode_pager_generic_putpages(struct vnode *vp, vm_page_t *m, 47 int count, int flags, int *rtvals); 48 int vnode_pager_local_getpages(struct vop_getpages_args *ap); 49 int vnode_pager_local_getpages_async(struct vop_getpages_async_args *ap); 50 int vnode_pager_putpages_ioflags(int pager_flags); 51 void vnode_pager_release_writecount(vm_object_t object, vm_offset_t start, 52 vm_offset_t end); 53 void vnode_pager_undirty_pages(vm_page_t *ma, int *rtvals, int written, 54 off_t eof, int lpos); 55 void vnode_pager_update_writecount(vm_object_t object, vm_offset_t start, 56 vm_offset_t end); 57 58 #endif /* _KERNEL */ 59 #endif /* _VNODE_PAGER_ */ 60