From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264922AbTK3PwE (ORCPT ); Sun, 30 Nov 2003 10:52:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264925AbTK3PwE (ORCPT ); Sun, 30 Nov 2003 10:52:04 -0500 Received: from mail.gmx.de ([213.165.64.20]:9606 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S264922AbTK3PwC (ORCPT ); Sun, 30 Nov 2003 10:52:02 -0500 X-Authenticated: #4512188 Message-ID: <3FCA1220.2040508@gmx.de> Date: Sun, 30 Nov 2003 16:52:00 +0100 From: "Prakash K. Cheemplavam" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: de-de, de, en-us, en MIME-Version: 1.0 To: Bartlomiej Zolnierkiewicz CC: "Prakash K. Cheemplavam" , Jeff Garzik , linux-kernel@vger.kernel.org, marcush@onlinehome.de Subject: Re: Silicon Image 3112A SATA trouble References: <3FC36057.40108@gmx.de> <20031129165648.GB14704@gtf.org> <3FC94F5A.8020900@gmx.de> <200311301547.32347.bzolnier@elka.pw.edu.pl> In-Reply-To: <200311301547.32347.bzolnier@elka.pw.edu.pl> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bartlomiej Zolnierkiewicz wrote: > Okay, stop bashing IDE driver... three mails is enough... > > Apply this patch and you should get similar performance from IDE driver. > You are probably seeing big improvements with libata driver because you are > using Samsung and IBM/Hitachi drives only, for Seagate it probably sucks just > like IDE driver... > > IDE driver limits requests to 15kB for all SATA drives... > libata driver limits requests to 15kB only for Seagata SATA drives... If you read my message closely then you should have understand that setting the request highr *didn't* help, ie echo "max_kb_per_request:128" > /proc/ide/hde/settings made *no* difference, so I won't even try that patch. As far I have understood this is exactly the thing you changed in the patch. If I am mistaken, then I take it back. Prakash