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.\" -*- nroff -*-
.\"
.\" Copyright (c) 1996 Doug Rabson
.\"
.\" All rights reserved.
.\"
.\" This program is free software.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $Id: VOP_GETPAGES.9,v 1.2 1997/04/13 14:48:53 bde Exp $
.\"
.Dd July 24, 1996
.Os
.Dt VOP_GETPAGES 9
.Sh NAME
.Nm VOP_GETPAGES ,
.Nm VOP_PUTPAGES
.Nd read or write VM pages from a file
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/vnode.h>
.Fd #include <vm/vm.h>
.Ft int
.Fn VOP_GETPAGES "struct vnode *vp" "vm_page_t *m" "int count" "int reqpage" "vm_ooffset_t offset"
.Ft int
.Fn VOP_PUTPAGES "struct vnode *vp" "vm_page_t *m" "int count" "int sync" "int *rtvals" "vm_ooffset_t offset"
.Sh DESCRIPTION
.Pp
The arguments are:
.Bl -tag -width reqpage
.It Ar vp
The file to access.
.It Ar m
A page ???
.It Ar count
How many pages to access.
.It Ar sync
Nonzero if the write should be synchronous.
.It Ar rtvals
???
.It Ar reqpage
???
.It Ar offset
Offset in the file to start accessing.
.El
.Pp
Not quite sure about this one.
.Sh RETURN VALUES
Zero is returned on success, otherwise an error is returned.
.Sh SEE ALSO
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .
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