Date: Thu, 4 Dec 2008 12:23:53 +0000 (UTC) From: Daniel Gerzo <danger@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r185608 - releng/7.1/share/man/man5 Message-ID: <200812041223.mB4CNrBE020938@svn.freebsd.org>
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Author: danger (doc committer) Date: Thu Dec 4 12:23:52 2008 New Revision: 185608 URL: http://svn.freebsd.org/changeset/base/185608 Log: - MFC the nullfs(5) manual page Approved by: re@ (blackend) Added: releng/7.1/share/man/man5/nullfs.5 - copied unchanged from r183631, head/share/man/man5/nullfs.5 Modified: releng/7.1/share/man/man5/ (props changed) releng/7.1/share/man/man5/Makefile Modified: releng/7.1/share/man/man5/Makefile ============================================================================== --- releng/7.1/share/man/man5/Makefile Thu Dec 4 12:22:11 2008 (r185607) +++ releng/7.1/share/man/man5/Makefile Thu Dec 4 12:23:52 2008 (r185608) @@ -46,6 +46,7 @@ MAN= acct.5 \ networks.5 \ nsmb.conf.5 \ nsswitch.conf.5 \ + nullfs.5 \ passwd.5 \ pbm.5 \ periodic.conf.5 \ Copied: releng/7.1/share/man/man5/nullfs.5 (from r183631, head/share/man/man5/nullfs.5) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ releng/7.1/share/man/man5/nullfs.5 Thu Dec 4 12:23:52 2008 (r185608, copy of r183631, head/share/man/man5/nullfs.5) @@ -0,0 +1,75 @@ +.\" +.\" Copyright (c) 2008 Daniel Gerzo +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd October 5, 2008 +.Dt NULLFS 5 +.Os +.Sh NAME +.Nm nullfs +.Nd "null file system" +.Sh SYNOPSIS +To enable support for +.Nm , +place the following line in the kernel configuration file: +.Bd -ragged -offset indent +.Cd "options NULLFS" +.Ed +.Pp +Alternatively, to load the driver as a +module at boot time, place the following line in +.Xr loader.conf 5 : +.Bd -literal -offset indent +nullfs_load="YES" +.Ed +.Sh DESCRIPTION +The +.Nm +driver will permit the +.Fx +kernel to mount a loopback file system sub-tree. +.Sh EXAMPLES +To mount a +.Nm +file system: +.Pp +.Dl "mount_nullfs /usr/ports /home/devel/ports" +.Sh SEE ALSO +.Xr fstab 5 , +.Xr mount_nullfs 8 +.Sh HISTORY +The +.Nm +layer first appeared in +.Bx 4.4 . +.Sh AUTHORS +.An -nosplit +The +.Nm +kernel implementation was written by +.An John Heideman . +.Pp +This manual page was written by +.An Daniel Gerzo Aq danger@FreeBSD.org .
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