84 lines
2.5 KiB
Groff
84 lines
2.5 KiB
Groff
.\" -*- 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
|
|
looks up or creates a vnode from a (mount, inode#) tupple.
|
|
.Pp
|
|
Its arguments are:
|
|
.Bl -tag -width ".Fa flags"
|
|
.It Fa mp
|
|
The mount point.
|
|
.It Fa ino
|
|
The inode representing the file.
|
|
This is a unique number assigned by the file system when vnodes are first
|
|
created.
|
|
.It Fa flags
|
|
Additional locking flags to pass through to
|
|
.Xr vget 9 .
|
|
.It Fa vpp
|
|
Return parameter for the vnode.
|
|
.El
|
|
.Pp
|
|
This is an optional file system entry-point for file systems mainly
|
|
intended for NFS server use, but many file systems
|
|
use it internally in
|
|
.Xr VOP_LOOKUP 9
|
|
and similar.
|
|
.Pp
|
|
If the file system does not support this call, then it should return
|
|
.Er EOPNOTSUPP .
|
|
.Pp
|
|
Please see
|
|
.Fn ffs_vget
|
|
in
|
|
.Pa sys/ufs/ffs/ffs_vfsops.c
|
|
for the canonical example.
|
|
.Sh SEE ALSO
|
|
.Xr VFS 9 ,
|
|
.Xr vget 9 ,
|
|
.Xr vnode 9
|
|
.Sh AUTHORS
|
|
This manual page was written by
|
|
.An Doug Rabson .
|