The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/vm/vnode_pager.h

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    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  *      @(#)vnode_pager.h       8.1 (Berkeley) 6/11/93
   37  * $FreeBSD$
   38  */
   39 
   40 #ifndef _VNODE_PAGER_
   41 #define _VNODE_PAGER_   1
   42 
   43 #ifdef _KERNEL
   44 
   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_ */

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