From owner-freebsd-hackers Fri Mar 24 6: 7:14 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from kronos.alcnet.com (kronos.alcnet.com [63.69.28.22]) by hub.freebsd.org (Postfix) with ESMTP id EF37F37B5BA for ; Fri, 24 Mar 2000 06:07:06 -0800 (PST) (envelope-from kbyanc@posi.net) X-Provider: ALC Communications, Inc. http://www.alcnet.com/ Received: from localhost (kbyanc@localhost) by kronos.alcnet.com (8.9.3/8.9.3/antispam) with ESMTP id JAA12216; Fri, 24 Mar 2000 09:06:56 -0500 (EST) Date: Fri, 24 Mar 2000 09:06:56 -0500 (EST) From: Kelly Yancey X-Sender: kbyanc@kronos.alcnet.com To: Josef Karthauser Cc: hackers@FreeBSD.ORG Subject: Re: Growing a memory file system. In-Reply-To: <20000324130127.F40544@florence.pavilion.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 24 Mar 2000, Josef Karthauser wrote: > I'm embarking on some ufs growing code, and need a test bed other > than my harddisk :) Is there a way of allocating a memory > filesystem, (or file system on a disk file), that's got empty space > at the end? > > I know that I can use mount_mfs to construct a memory fs, but IIRC > if can't allocate more memory on the end that isn't part of the > file system. > > Has anyone any tips? (I'm sure there's a way of doing it with the > vn driver, Matt?) > I would expect that you could use vn to create a device out of a file, newfs that, and play all you want. Kelly -- Kelly Yancey - kbyanc@posi.net - Richmond, VA Analyst / E-business Development, Bell Industries http://www.bellind.com/ Maintainer, BSD Driver Database http://www.posi.net/freebsd/drivers/ Coordinator, Team FreeBSD http://www.posi.net/freebsd/Team-FreeBSD/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message