From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH 0 of 3] [RFC] I/O Hints Date: Fri, 06 Jun 2008 12:56:30 -0400 Message-ID: References: <20080606142613.GA22495@shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from rgminet01.oracle.com ([148.87.113.118]:28431 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752966AbYFFRBx (ORCPT ); Fri, 6 Jun 2008 13:01:53 -0400 In-Reply-To: <20080606142613.GA22495@shareable.org> (Jamie Lokier's message of "Fri\, 6 Jun 2008 15\:26\:13 +0100") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jamie Lokier Cc: "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org >>>>> "Jamie" == Jamie Lokier writes: Jamie> But SSDs present a block device interface, and they still have Jamie> alignment characteristics for performance. Even more Jamie> important, when combining multiple SSDs into a RAID. I'm not sure whether ATA has a way to get this information like SCSI dues. But nothing prevents the SATA driver from setting the parameters accordingly. -- Martin K. Petersen Oracle Linux Engineering