From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 26 Sep 2008 18:18:49 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m8R1IkZb020793 for ; Fri, 26 Sep 2008 18:18:46 -0700 Received: from ipmail04.adl2.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id BED7048BAB2 for ; Fri, 26 Sep 2008 18:20:21 -0700 (PDT) Received: from ipmail04.adl2.internode.on.net (ipmail04.adl2.internode.on.net [203.16.214.57]) by cuda.sgi.com with ESMTP id yH3NrCkuGEELkDGS for ; Fri, 26 Sep 2008 18:20:21 -0700 (PDT) Date: Sat, 27 Sep 2008 11:20:19 +1000 From: Dave Chinner Subject: Re: inode64 question Message-ID: <20080927012019.GT27997@disturbed> References: <20080926063050.GA20516@infradead.org> <48DCF1FE.3080305@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48DCF1FE.3080305@sandeen.net> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Eric Sandeen Cc: Christoph Hellwig , Justin Piszcz , xfs@oss.sgi.com On Fri, Sep 26, 2008 at 09:30:22AM -0500, Eric Sandeen wrote: > Christoph Hellwig wrote: > > On Thu, Sep 25, 2008 at 07:44:33PM -0400, Justin Piszcz wrote: > >> If I mount the fs with -o inode64, can I mount it again later say under > >> knoppix 32bit without any options, will the FS still mount? The 64-bit > >> rescue cd/dvds--I have had problems with to say the least. > > > > Not yet. I'll hopefully get a patch for it into 2.6.28. > > Actually it *will* at least mount, won't it? But that's dangerous. I > don't think xfs sets any kind of superblock flag saying "I contain > inodes past 2^32, don't mount on 32-bit boxes" does it? Right. It will mount, but what happens with inodes past 2^32 is undefined. You might be lucky - you might not.... Cheers, Dave. -- Dave Chinner david@fromorbit.com