106 lines
3.3 KiB
Groff
106 lines
3.3 KiB
Groff
.\" Copyright (c) 1993 University of Utah.
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.\" Copyright (c) 1980, 1989, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Systems Programming Group of the University of Utah Computer
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.\" Science Department.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)vnconfig.8 8.1 (Berkeley) 6/5/93
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.\"
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.Dd July 8, 1993
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.Dt VNCONFIG 8
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.Os BSD 4
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.Sh NAME
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.Nm vnconfig
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.Nd configure vnode disks
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.Sh SYNOPSIS
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.Nm vnconfig Fl c
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.Op Fl v
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.Ar special_file
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.Ar regular_file
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.Nm vnconfig Fl u
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.Op Fl v
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.Ar special_file
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.Sh DESCRIPTION
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The
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.Nm vnconfig
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command configures vnode pseudo disk devices.
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It will associate the special file
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.Ar special_file
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with the regular file
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.Ar regular_file
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allowing the latter to be accessed as though it were a disk.
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Hence a regular file within the filesystem can be used for swapping
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or can contain a filesystem that is mounted in the name space.
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.Pp
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Options indicate an action to be performed:
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.Bl -tag -width indent
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.It Fl c
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Configures the device.
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If successful, references to
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.Ar special_file
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will access the contents of
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.Ar regular_file .
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.It Fl u
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Unconfigures the device.
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.It Fl v
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Print messages to stdout describing actions taken.
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.El
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.Pp
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If no action option is given,
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.Fl c
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is assumed.
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.Sh FILES
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.Bl -tag -width /etc/rvnd?? -compact
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.It Pa /dev/rvnd??
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.It Pa /dev/vnd??
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.El
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.Sh EXAMPLES
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.Pp
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.Dl vnconfig /dev/vnd0c /tmp/diskimage
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.Pp
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Configures the vnode disk
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.Pa vnd0c .
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.Pp
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.Dl vnconfig -u /dev/vnd0c
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.Pp
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Unconfigures the
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.Pa vnd0c
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device.
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.Sh BUGS
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This command should really be named
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.Nm vndconfig .
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.Sh SEE ALSO
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.Xr swapon 8 ,
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.Xr mount 8 ,
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.Xr umount 8 .
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