From owner-freebsd-fs@FreeBSD.ORG Sat Sep 1 09:24:04 2007 Return-Path: <owner-freebsd-fs@FreeBSD.ORG> Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D7CE816A419 for <fs@freebsd.org>; Sat, 1 Sep 2007 09:24:04 +0000 (UTC) (envelope-from yar@comp.chem.msu.su) Received: from comp.chem.msu.su (comp.chem.msu.su [158.250.32.97]) by mx1.freebsd.org (Postfix) with ESMTP id 7DB8213C469 for <fs@freebsd.org>; Sat, 1 Sep 2007 09:24:01 +0000 (UTC) (envelope-from yar@comp.chem.msu.su) Received: from comp.chem.msu.su (localhost [127.0.0.1]) by comp.chem.msu.su (8.13.4/8.13.4) with ESMTP id l819NBCL017493; Sat, 1 Sep 2007 13:23:11 +0400 (MSD) (envelope-from yar@comp.chem.msu.su) Received: (from yar@localhost) by comp.chem.msu.su (8.13.4/8.13.4/Submit) id l819NAAW017492; Sat, 1 Sep 2007 13:23:10 +0400 (MSD) (envelope-from yar) Date: Sat, 1 Sep 2007 13:23:10 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Message-ID: <20070901092310.GO85633@comp.chem.msu.su> References: <20070901074803.GM85633@comp.chem.msu.su> <3842.1188634387@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3842.1188634387@critter.freebsd.dk> User-Agent: Mutt/1.5.9i Cc: Dmitry Morozovsky <marck@rinet.ru>, fs@freebsd.org Subject: Re: New option for newfs(3) to make life with GEOM easier X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems <freebsd-fs.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>, <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs> List-Post: <mailto:freebsd-fs@freebsd.org> List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>, <mailto:freebsd-fs-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sat, 01 Sep 2007 09:24:04 -0000 On Sat, Sep 01, 2007 at 08:13:07AM +0000, Poul-Henning Kamp wrote: > In message <20070901074803.GM85633@comp.chem.msu.su>, Yar Tikhiy writes: > >Hi all, > > > >With some geom(4) modules saving their metadata in the last sectors > >of block devices such as disks and partitions, > > 1. If those geom modules do not reduce their providers to prevent > this metadata from being overwritten, they are buggy. In some scenarios, it can be desirable to newfs first, geom later. > 2. Why not simply allow the -s argument to newfs to be negative so > "-s -200" means "reserve 200 sectors" ? A negative argument to -s has been invalid till now, so we propose a new option for people to express their intentions explicitly. Personally, I don't mind the "-s -200" syntax, but many people consider overloaded arguments unintuitive and error-prone. -- Yar