From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752655Ab1IZVFJ (ORCPT ); Mon, 26 Sep 2011 17:05:09 -0400 Received: from rcsinet15.oracle.com ([148.87.113.117]:58287 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752294Ab1IZVFI (ORCPT ); Mon, 26 Sep 2011 17:05:08 -0400 To: Alan Cox Cc: Arun , linux-kernel@vger.kernel.org Subject: Re: Detection of Advanced Format drives From: "Martin K. Petersen" Organization: Oracle References: <20110926111522.2a053ceb@lxorguk.ukuu.org.uk> Date: Mon, 26 Sep 2011 17:03:05 -0400 In-Reply-To: <20110926111522.2a053ceb@lxorguk.ukuu.org.uk> (Alan Cox's message of "Mon, 26 Sep 2011 11:15:22 +0100") Message-ID: User-Agent: Gnus/5.110017 (No Gnus v0.17) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: rtcsinet21.oracle.com [66.248.204.29] X-CT-RefId: str=0001.0A090209.4E80E8FC.00F7,ss=1,re=0.000,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Alan" == Alan Cox writes: >> Is there any way to detect the Advanced Format hard drives with 4K >> sector size? I understand that above kernel v. 2.6.31 it is >> supported. But is it possible detect automatically if the drive is >> an AF drive and how? Alan> It's in the drive identify data (see the ATA 8 specification Alan> documents) Or: http://oss.oracle.com/~mkp/docs/linux-advanced-storage.pdf -- Martin K. Petersen Oracle Linux Engineering