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.\" Copyright (c) 1996 Doug Rabson
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.\" $FreeBSD: src/share/man/man9/VFS_UNMOUNT.9,v 1.12.2.2.2.1 2010/12/21 17:09:25 kensmith Exp $
.\"
.Dd May 23, 2009
.Dt VFS_UNMOUNT 9
.Os
.Sh NAME
.Nm VFS_UNMOUNT
.Nd unmount a file system
.Sh SYNOPSIS
.In sys/param.h
.In sys/mount.h
.In sys/vnode.h
.Ft int
.Fn VFS_UNMOUNT "struct mount *mp" "int mntflags"
.Sh DESCRIPTION
The
.Fn VFS_UNMOUNT
macro unmounts a file system.
.Pp
The arguments it expects are:
.Bl -tag -width mntflags
.It Fa mp
The file system.
.It Fa mntflags
Bit-mask of flags for the unmount operation.
The flags currently supported by
.Fn VFS_UNMOUNT
are:
.Bl -tag -width ".Dv MNT_FORCE"
.It Dv MNT_FORCE
Open files are forcibly closed before the file system is unmounted.
.El
.El
.Sh SEE ALSO
.Xr vflush 9 ,
.Xr VFS 9 ,
.Xr vnode 9
.Sh AUTHORS
This manual page was written by
.An Doug Rabson .