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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.
.\"
.\" $FreeBSD$
.\"
.Dd January 7, 2005
.Os
.Dt VFS_VGET 9
.Sh NAME
.Nm VFS_VGET
.Nd convert an inode number to a vnode
.Sh SYNOPSIS
.In sys/param.h
.In sys/mount.h
.In sys/vnode.h
.Ft int
.Fn VFS_VGET "struct mount *mp" "ino_t ino" "int flags" "struct vnode **vpp"
.Sh DESCRIPTION
The
.Fn VFS_VGET
macro converts an inode number into a locked vnode.
.Pp
Its arguments are:
.Bl -tag -width ".Fa flags"
.It Fa mp
The file system.
.It Fa ino
The inode representing the file.
.It Fa flags
Additional locking flags to pass through.
.It Fa vpp
Return parameter for the vnode.
.El
.Pp
This is an optional file system entry-point for file systems which have a
unique id number for every file in the file system.
It is used
internally by the UFS file system and also by the NFSv3 server to
implement the
.Dv READDIRPLUS
nfs call.
.Pp
If the file system does not support this call, then it should return
.Er EOPNOTSUPP .
.Sh SEE ALSO
.Xr VFS 9 ,
.Xr vget 9 ,
.Xr vnode 9
.Sh AUTHORS
This manual page was written by
.An Doug Rabson .
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