From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: [PATCH] RESEND: SCSI, libata: add support for ATA_16 commands to libata ATAPI devices Date: Wed, 31 Jan 2007 19:53:03 -0500 Message-ID: <45C139EF.8010103@rtr.ca> References: <200701021935.07840.liml@rtr.ca> <200701311346.26644.liml@rtr.ca> <45C1356B.6000907@gmail.com> <45C1377F.6070001@rtr.ca> <1170290907.3402.90.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([64.26.128.89]:2741 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161144AbXBAAxG (ORCPT ); Wed, 31 Jan 2007 19:53:06 -0500 In-Reply-To: <1170290907.3402.90.camel@mulgrave.il.steeleye.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: James Bottomley Cc: Tejun Heo , Linux IDE , Jeff Garzik , linux-scsi@vger.kernel.org James Bottomley wrote: >.. > In SCSI, we're very careful only to use large commands where necessary, > so even for a >2TB array, you only see 16 byte commands for sectors > beyond 2TB. This essentially means that the capacity (and we do a > careful READ_CAPACITY(10) and only move on to READ_CAPACITY(16) if we're > told to) limits the command size. Very cool, James.