Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935599AbXJPTyp (ORCPT ); Tue, 16 Oct 2007 15:54:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765685AbXJPTyg (ORCPT ); Tue, 16 Oct 2007 15:54:36 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:45496 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763909AbXJPTyf (ORCPT ); Tue, 16 Oct 2007 15:54:35 -0400 Date: Tue, 16 Oct 2007 13:54:33 -0600 From: Matthew Wilcox To: david@lang.hm Cc: Alan Cox , Stefan Richter , Rob Landley , David Newall , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Suparna Bhattacharya , Nick Piggin Subject: Re: What still uses the block layer? Message-ID: <20071016195432.GA31306@parisc-linux.org> References: <200710112011.22000.rob@landley.net> <200710141836.55211.rob@landley.net> <4712FE33.3000400@s5r6.in-berlin.de> <200710150426.04924.rob@landley.net> <20071015160800.GA324@parisc-linux.org> <47139F15.7050702@s5r6.in-berlin.de> <20071016111911.30a18e12@the-village.bc.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1095 Lines: 23 On Tue, Oct 16, 2007 at 12:54:58PM -0700, david@lang.hm wrote: > On Tue, 16 Oct 2007, Alan Cox wrote: > >I wouldn't try dividing those by pata v sata. You'll cause all sorts of > >problems in the process because of PATA-SATA and SATA-PATA bridges. > > if you use a PATA-SATA bridge (IDE drive SATA controller), it would look > to the system like a SATA drive and be addressed and enumerated as SATA. But you don't know where the bridge is. It might be on the drive's board, it might be an explicit enclosure, or it might be on the motherboard. Each of those scenarios is going to have a different user expectation. -- Intel are signing my paycheques ... these opinions are still mine "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." - 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/