From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luben Tuikov Subject: Re: [PATCH] libata: write cache and read ahead Date: Tue, 23 Aug 2005 19:22:59 -0400 Message-ID: <430BAFD3.9000702@adaptec.com> References: <43085209.50405@torque.net> <430914C2.8030301@pobox.com> <43095EB3.2020202@torque.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from magic.adaptec.com ([216.52.22.17]:54975 "EHLO magic.adaptec.com") by vger.kernel.org with ESMTP id S1750784AbVHWXXC (ORCPT ); Tue, 23 Aug 2005 19:23:02 -0400 In-Reply-To: <43095EB3.2020202@torque.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: dougg@torque.net Cc: Jeff Garzik , linux-scsi@vger.kernel.org, Tejun Heo On 08/22/05 01:12, Douglas Gilbert wrote: > I was surprised how much code needed changing. > With MODE SELECT's issues with libata addressed > various other SAT "extras" should be much easier > to implement. That should make libata more attractive > as a SAT layer for SAS LLDDs (that don't do it already > in firmware). Doug, how about never needing a SAT layer for SAS LLDDs for ATA/ATAPI devices. Would you object if I "give" you a "domain device" to which you can send FISes (+ the packet if ATAPI) through a SAM-4 intefrace: Execute Task + TMFs? Jeff? Luben