.\"	$OpenBSD: vfs.9,v 1.4 2008/06/26 05:42:08 ray Exp $
.\"     $NetBSD: vfs.9,v 1.7 2003/02/25 10:35:34 wiz Exp $
.\"
.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Gregory McGarry.
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.Dd $Mdocdate: June 26 2008 $
.Dt VFS 9
.Os
.Sh NAME
.Nm vfs
.Nd kernel interface to file systems
.Sh DESCRIPTION
The virtual file system,
.Nm VFS ,
is the kernel interface to file systems.
The interface specifies the calls for the kernel to access file systems.
It also specifies the core functionality that a file system must provide
to the kernel.
.Pp
The focus of
.Nm
activity is the
.Em vnode
and is discussed in
.Xr vnode 9 .
.\" File system operations such as mounting and syncing are discussed in
.\" .Xr vfsops 9 .
.Sh SEE ALSO
.Xr intro 9 ,
.\" .Xr vfsops 9 ,
.Xr vnode 9 ,
.Xr VOP_LOOKUP 9