From owner-freebsd-stable@FreeBSD.ORG Thu Jun 21 16:59:33 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 80F5716A46F for ; Thu, 21 Jun 2007 16:59:33 +0000 (UTC) (envelope-from grafan@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.181]) by mx1.freebsd.org (Postfix) with ESMTP id BFAEC13C48C for ; Thu, 21 Jun 2007 16:59:32 +0000 (UTC) (envelope-from grafan@gmail.com) Received: by py-out-1112.google.com with SMTP id a29so1148866pyi for ; Thu, 21 Jun 2007 09:59:31 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=BDzNLrLhWnADkJYtt2rJxGVJHwmx5kjS9RyFS+bmyVHTquvwzJbpXSfmVh0/Ayuc8buYBzujHLdYkdPr3HsFjgRgpq50D8KYzc5vrzKKMdCs4Mnj67DhaprXr0AxJGaq7pVyAq9Y1XXITl1Z9BBNxEh6k3+g9OkkcvDw6qK3saI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=L91Nr/0V+2JfHmWCwY61LGm670I8qJ6EaEooLqYpFiXXZ7aGibKnpth7tyxRAlYVHxPQe0Wia4samsVEPd0JlQnSHDEF1l7/YLvOAiNSeiELc+EGctGeM1piqbRSeYj6Di/OBt9d9mBsP11m/dGOJPGzhY6kyWcBYQot1cCad7M= Received: by 10.65.95.12 with SMTP id x12mr3835798qbl.1182445171840; Thu, 21 Jun 2007 09:59:31 -0700 (PDT) Received: by 10.64.196.20 with HTTP; Thu, 21 Jun 2007 09:59:31 -0700 (PDT) Message-ID: <6eb82e0706210959o4e5bce06l7c72f8b31bc3956e@mail.gmail.com> Date: Fri, 22 Jun 2007 00:59:31 +0800 From: "Rong-en Fan" To: "Kris Kennaway" In-Reply-To: <20070621155738.GA18615@rot26.obsecurity.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6eb82e0706182246q6563ba03x31038082125b50ae@mail.gmail.com> <200706190124.38935.josh@tcbug.org> <6eb82e0706182339r6328f009sf66631f1570977ba@mail.gmail.com> <20070619065820.GA87172@rot13.obsecurity.org> <20070621102342.GF1144@turion.vk2pj.dyndns.org> <6eb82e0706210649r8188a52h11b8b4f903484d1b@mail.gmail.com> <20070621155738.GA18615@rot26.obsecurity.org> Cc: Peter Jeremy , freebsd-stable@freebsd.org Subject: Re: is read-write nullfs safe? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jun 2007 16:59:33 -0000 On 6/21/07, Kris Kennaway wrote: > On Thu, Jun 21, 2007 at 09:49:16PM +0800, Rong-en Fan wrote: > > On 6/21/07, Peter Jeremy wrote: > > >On 2007-Jun-19 02:58:20 -0400, Kris Kennaway wrote: > > >>On Tue, Jun 19, 2007 at 02:39:22PM +0800, Rong-en Fan wrote: > > >>> I was asking about nullfs because the following lines > > >>> in sys/conf/NOTES: > > >>> > > >>> # NB: The NULL, PORTAL, UMAP and UNION filesystems are known to be > > >>> # buggy, and WILL panic your system if you attempt to do anything with > > >>> # them. They are included here as an incentive for some enterprising > > >>> # soul to sit down and fix them. > > >> > > >>Yeah, that's almost completely stale for both 6.x and 7.x. > > > > > >Since this issue pops up fairly regularly, would it be possible to > > >correct, tone down or remove this warning before 6.3/7.0? > > > > Ya, how about this one: > > > > http://people.freebsd.org/~rafan/remove-nullfs-warning.diff > > Maybe note that UNIONFS is being maintained now and is in a much > better state, although there are still some issues being resolved. OK, I add them. See the patch in the url above. > > It just remove NULL from the warning list. If no one objects, > > I will ask re@ for approval tomorrow. BTW, since umapfs > > is disconnected from build, shall we axe it? > > I would recommend it. > > Kris >