From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] remove ide-scsi Date: Sat, 06 Dec 2008 23:17:22 -0500 Message-ID: <493B4E52.6080905@garzik.org> References: <20081203103856S.fujita.tomonori@lab.ntt.co.jp> <200812061551.08525.bzolnier@gmail.com> <20081206120001.3580b9e3@tuna> <200812062241.35601.bzolnier@gmail.com> <20081206222423.04aada70@lxorguk.ukuu.org.uk> <493B022B.3050406@ru.mvista.com> <493B0A8E.7000506@garzik.org> <493B0DF2.4090901@ru.mvista.com> <493B0F36.6030509@garzik.org> <86802c440812061936v4629857ehbd2705e389e4378b@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:41212 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753548AbYLGERp (ORCPT ); Sat, 6 Dec 2008 23:17:45 -0500 In-Reply-To: <86802c440812061936v4629857ehbd2705e389e4378b@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Yinghai Lu Cc: Sergei Shtylyov , Alan Cox , Bartlomiej Zolnierkiewicz , =?ISO-8859-1?Q?Dan_No=E9?= , James Bottomley , Christoph Hellwig , FUJITA Tomonori , linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, osst@riede.org Yinghai Lu wrote: > On Sat, Dec 6, 2008 at 3:48 PM, Jeff Garzik wrote: > >> A key reason why, years ago, libata used SCSI as a framework was its utility >> as a generic driver framework. >> >> Therefore, it is an obvious requirement that the non-SCSI "driver framework" >> code that libata uses must be reimplemented -- in block layer or libata -- >> in order to export an ATA disk as a pure block device. >> >> The latest step towards that goal occurred quite recently: block layer >> timeouts. > > interesting, so will get /dev/ada instead of /dev/sda? That is an interesting question. The easiest thing is to allocate a new 32-bit block major. But the more compatible (and more controversial) solution is to allocate from the SCSI disk blkmajor space. > anyone one is building block layer for USB disk? will get /dev/uda? That already exists -- drivers/block/ub :) Jeff