From owner-cvs-all Sun Jun 25 15:14:25 2000 Delivered-To: cvs-all@freebsd.org Received: from relay.nuxi.com (nuxi.cs.ucdavis.edu [169.237.7.38]) by hub.freebsd.org (Postfix) with ESMTP id 7946537B5AA; Sun, 25 Jun 2000 15:14:15 -0700 (PDT) (envelope-from obrien@NUXI.com) Received: from dragon.nuxi.com (root@trang.nuxi.com [209.152.133.57]) by relay.nuxi.com (8.9.3/8.9.3) with ESMTP id PAA14761; Sun, 25 Jun 2000 15:14:10 -0700 (PDT) (envelope-from obrien@dragon.nuxi.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.9.3/8.9.1) id PAA08745; Sun, 25 Jun 2000 15:14:08 -0700 (PDT) (envelope-from obrien) Date: Sun, 25 Jun 2000 15:14:08 -0700 From: "David O'Brien" To: Anders Andersson Cc: Akinori -Aki- MUSHA , andrews@technologist.com, mckusick@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/contrib/softupdates softdep.h ffs_softdep.c Message-ID: <20000625151408.C8468@dragon.nuxi.com> Reply-To: obrien@FreeBSD.ORG References: <200006220029.RAA97417@freefall.freebsd.org> <20000621223309.G47446@argon.gryphonsoft.com> <86g0q6gw5x.wl@localhost.local.idaemons.org> <20000622080509.A4065@enterprise.sanyusan.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <20000622080509.A4065@enterprise.sanyusan.se>; from anders@sanyusan.se on Thu, Jun 22, 2000 at 08:05:09AM +0200 X-Operating-System: FreeBSD 5.0-CURRENT Organization: The NUXI BSD group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Jun 22, 2000 at 08:05:09AM +0200, Anders Andersson wrote: > Please take a look at what NetBSD just recently did: > http://www.netbsd.org/Changes/#softdepsmount I asked McKusick about this at USENIX. It is a *very* bad idea. One cannot change to/from softupdates on a mounted file system (ie, mount -u -o softupdates /foo). Bad Things will happen if you do try this. There was a few other subtle points he listed. -- -- David (obrien@FreeBSD.org) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message