freebsd-nq/share/man/man9/vfs_unmountall.9

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.\" Copyright (c) 2001 Chris Costello <chris@FreeBSD.org>
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" 1. Redistributions of source code must retain the above copyright
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.\" $FreeBSD$
.\"
.Dd July 26, 2001
.Dt VFS_UNMOUNTALL 9
.Os
.Sh NAME
.Nm vfs_unmountall
.Nd unmount all file systems
.Sh SYNOPSIS
.In sys/param.h
.In sys/mount.h
.Ft void
.Fn vfs_unmountall "void"
.Sh DESCRIPTION
The
.Nm
function,
run only at system shutdown,
unmounts all mounted file systems
from most recent to oldest
in order to avoid handling dependencies.
.Sh SEE ALSO
.Xr boot 9