Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 1 Aug 2002 18:48:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 1 Aug 2002 18:48:53 -0400 Received: from leibniz.math.psu.edu ([146.186.130.2]:16001 "EHLO math.psu.edu") by vger.kernel.org with ESMTP id ; Thu, 1 Aug 2002 18:48:51 -0400 Date: Thu, 1 Aug 2002 18:52:18 -0400 (EDT) From: Alexander Viro To: Petr Vandrovec cc: martin@dalecki.de, linux-kernel@vger.kernel.org, mingo@elte.hu Subject: Re: IDE from current bk tree, UDMA and two channels... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 28 On Fri, 2 Aug 2002, Petr Vandrovec wrote: > > Uh-oh... > > > > Let me see if I got it straight: > > > > a) your disk doesn't work with half-Kb requests > > b) you have a partition with odd number of sectors > > c) hardsect_size is set to half-Kb > > d) old code worked since it rounded size to multiple of kilobyte. > > > > Correct? > > Yes, exactly. Replacing disk is not an option... OK. At the very least we need a way for driver to tell what the sector size is. And that can be a problem - AFAICS IDE shares the queue for master and slave and sector size is queue property. BTW, what type of partition table do you have there? - 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/