From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anil kumar Subject: blk_queue_hardsect_size 520-byte sector Date: Thu, 5 Jun 2008 21:58:28 -0700 (PDT) Message-ID: <339116.28290.qm@web32404.mail.mud.yahoo.com> Reply-To: anils_r@yahoo.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from web32404.mail.mud.yahoo.com ([68.142.207.197]:21471 "HELO web32404.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751721AbYFFFFJ (ORCPT ); Fri, 6 Jun 2008 01:05:09 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Hi, Can I call blk_queue_hardsect_size in a driver and set it to 520-byte as hardware sector size. How does the kernel and block layers take the request, will it be in multiples of 520-bytes aligned or 512 bytes aligned? Thanks for your help in advance. with regards, Anil