From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: [patch 0/6][RFC] Cleanup FIBMAP Date: Mon, 29 Oct 2007 13:47:20 -0600 Message-ID: <20071029194720.GC3042@webber.adilger.int> References: <20071026233732.568575496@crlf.corp.google.com> <20071029101001.4378a7cf@think.oraclecorp.com> <47263187.5070106@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Chris Mason , Anton Altaparmakov , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Kalpak Shah To: Mike Waychison Return-path: Content-Disposition: inline In-Reply-To: <47263187.5070106@google.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Oct 29, 2007 12:16 -0700, Mike Waychison wrote: > Chris Mason wrote: >> Reiserfs and Btrfs also use 0 to mean packed. It would be nice if there >> was a way to indicate your-data-is-here-but-isn't-alone. But that's >> more of a feature for the FIEMAP stuff. > > I hadn't heard of FIEMAP, so I went back and read the thread from > April/May. It seems that this is a much better approach than introducing a > FIBMAP64. > > What ever happened with this proposal? We made a patch for ext4 that we need to update and push upstream. I've just resent the spec we used in a separate email (attached to old thread) for reference. Cheers, Andreas -- Andreas Dilger Sr. Software Engineer, Lustre Group Sun Microsystems of Canada, Inc.