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