From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f178.google.com (mail-ie0-f178.google.com [209.85.223.178]) by kanga.kvack.org (Postfix) with ESMTP id 0910A6B0035 for ; Wed, 22 Jan 2014 15:47:20 -0500 (EST) Received: by mail-ie0-f178.google.com with SMTP id x13so78650ief.37 for ; Wed, 22 Jan 2014 12:47:19 -0800 (PST) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id 9si16080095igo.72.2014.01.22.12.47.18 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 22 Jan 2014 12:47:18 -0800 (PST) Subject: Re: [Lsf-pc] [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes From: "Martin K. Petersen" References: <20131220093022.GV11295@suse.de> <52DF353D.6050300@redhat.com> <20140122093435.GS4963@suse.de> <52DFD168.8080001@redhat.com> <20140122143452.GW4963@suse.de> <52DFDCA6.1050204@redhat.com> Date: Wed, 22 Jan 2014 15:47:12 -0500 In-Reply-To: <52DFDCA6.1050204@redhat.com> (Ric Wheeler's message of "Wed, 22 Jan 2014 09:58:46 -0500") Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: Ric Wheeler Cc: Mel Gorman , linux-scsi@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton , lsf-pc@lists.linux-foundation.org >>>>> "Ric" == Ric Wheeler writes: Ric> I will have to see if I can get a storage vendor to make a public Ric> statement, but there are vendors hoping to see this land in Linux Ric> in the next few years. I assume that anyone with a shipping device Ric> will have to at least emulate the 4KB sector size for years to Ric> come, but that there might be a significant performance win for Ric> platforms that can do a larger block. I am aware of two companies that already created devices with 8KB logical blocks and expected Linux to work. I had to do some explaining. I agree with Ric that this is something we'll need to address sooner rather than later. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org