.\" Copyright (c) 1996 Doug Rabson
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.\" $FreeBSD: src/share/man/man9/VFS_UNMOUNT.9,v 1.5.2.1 2001/12/17 11:30:18 ru Exp $
.\" $DragonFly: src/share/man/man9/VFS_UNMOUNT.9,v 1.3 2004/06/01 11:36:53 hmp Exp $
.\"
.Dd July 24, 1996
.Os
.Dt VFS_UNMOUNT 9
.Sh NAME
.Nm VFS_UNMOUNT
.Nd unmount a filesystem
.Sh SYNOPSIS
.In sys/param.h
.In sys/mount.h
.In sys/vnode.h
.Ft int
.Fn VFS_UNMOUNT "struct mount *mp" "int mntflags" "struct proc *p"
.Sh DESCRIPTION
Unmount a filesystem.
.Pp
Its arguments are:
.Bl -tag -width mntflags
.It Ar mp
The filesystem.
.It Ar mntflags
Various flags.
.It Ar p
Process which is unmounting the filesystem.
.El
.Pp
If the
.Dv MNT_FORCE
flag is specified then open files should be forcibly closed.
.Sh SEE ALSO
.Xr vflush 9 ,
.Xr VFS 9 ,
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .