freebsd-dev/share/man/man9/VOP_GETPAGES.9

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.\" -*- nroff -*-
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.\" Copyright (c) 1996 Doug Rabson
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.\" $Id: VOP_GETPAGES.9,v 1.1 1997/03/03 18:00:18 dfr 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 Doug Rabson.