1a9643ea8Slogwang /*- 2*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-3-Clause 3*22ce4affSfengbojiang * 4a9643ea8Slogwang * Copyright (c) 1990 University of Utah. 5a9643ea8Slogwang * Copyright (c) 1991, 1993 6a9643ea8Slogwang * The Regents of the University of California. All rights reserved. 7a9643ea8Slogwang * 8a9643ea8Slogwang * This code is derived from software contributed to Berkeley by 9a9643ea8Slogwang * the Systems Programming Group of the University of Utah Computer 10a9643ea8Slogwang * Science Department. 11a9643ea8Slogwang * 12a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 13a9643ea8Slogwang * modification, are permitted provided that the following conditions 14a9643ea8Slogwang * are met: 15a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright 16a9643ea8Slogwang * notice, this list of conditions and the following disclaimer. 17a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright 18a9643ea8Slogwang * notice, this list of conditions and the following disclaimer in the 19a9643ea8Slogwang * documentation and/or other materials provided with the distribution. 20*22ce4affSfengbojiang * 3. Neither the name of the University nor the names of its contributors 21a9643ea8Slogwang * may be used to endorse or promote products derived from this software 22a9643ea8Slogwang * without specific prior written permission. 23a9643ea8Slogwang * 24a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26a9643ea8Slogwang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27a9643ea8Slogwang * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28a9643ea8Slogwang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29a9643ea8Slogwang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30a9643ea8Slogwang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31a9643ea8Slogwang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32a9643ea8Slogwang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33a9643ea8Slogwang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34a9643ea8Slogwang * SUCH DAMAGE. 35a9643ea8Slogwang * 36a9643ea8Slogwang * @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93 37a9643ea8Slogwang * $FreeBSD$ 38a9643ea8Slogwang */ 39a9643ea8Slogwang 40a9643ea8Slogwang #ifndef _VNODE_PAGER_ 41a9643ea8Slogwang #define _VNODE_PAGER_ 1 42a9643ea8Slogwang 43a9643ea8Slogwang #ifdef _KERNEL 44a9643ea8Slogwang 45a9643ea8Slogwang int vnode_pager_generic_getpages(struct vnode *vp, vm_page_t *m, 46a9643ea8Slogwang int count, int *rbehind, int *rahead, vop_getpages_iodone_t iodone, 47a9643ea8Slogwang void *arg); 48a9643ea8Slogwang int vnode_pager_generic_putpages(struct vnode *vp, vm_page_t *m, 49*22ce4affSfengbojiang int count, int flags, int *rtvals); 50a9643ea8Slogwang int vnode_pager_local_getpages(struct vop_getpages_args *ap); 51a9643ea8Slogwang int vnode_pager_local_getpages_async(struct vop_getpages_async_args *ap); 52*22ce4affSfengbojiang int vnode_pager_putpages_ioflags(int pager_flags); 53*22ce4affSfengbojiang void vnode_pager_undirty_pages(vm_page_t *ma, int *rtvals, int written, 54*22ce4affSfengbojiang off_t eof, int lpos); 55a9643ea8Slogwang 56a9643ea8Slogwang #endif /* _KERNEL */ 57a9643ea8Slogwang #endif /* _VNODE_PAGER_ */ 58