Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759935AbZD3UAb (ORCPT ); Thu, 30 Apr 2009 16:00:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751280AbZD3UAO (ORCPT ); Thu, 30 Apr 2009 16:00:14 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:40477 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750981AbZD3UAN (ORCPT ); Thu, 30 Apr 2009 16:00:13 -0400 Message-ID: <49FA0349.3090706@garzik.org> Date: Thu, 30 Apr 2009 16:00:09 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Tejun Heo CC: linux-ide@vger.kernel.org, jens.axboe@oracle.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, James.Bottomley@HansenPartnership.com, Mauelshagen@RedHat.com, dm-devel@RedHat.com Subject: Re: [PATCHSET] block,scsi,libata: implement alt_size References: <1233456951-992-1-git-send-email-tj@kernel.org> <49F902CF.7080307@garzik.org> <49F903DD.8040707@kernel.org> In-Reply-To: <49F903DD.8040707@kernel.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.5 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1008 Lines: 27 Tejun Heo wrote: > Hello, > > Jeff Garzik wrote: >> I suppose... >> >> It just seems like a nasty hack, but unfortunately I don't see >> anyone stepping up to do it properly -- with a DM device >> automatically layered on top that splits the device into separate >> regions: one block device for the 'regular' area, and one for the >> HPA. > > Isn't that more hacky? I don't know. All that dm needs to know is > the location of the metadata which is located w.r.t. the end of the > device which might be at a different location if BIOS tried to pull > silly stunts. So, exporting the size BIOS might have used seems like > a straight forward solution to me. " I suppose" is basically a reluctant ack, in the absence of other solutions :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/