From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com [209.85.212.175]) by kanga.kvack.org (Postfix) with ESMTP id B9B596B0035 for ; Wed, 22 Jan 2014 00:20:57 -0500 (EST) Received: by mail-wi0-f175.google.com with SMTP id hr1so5230726wib.14 for ; Tue, 21 Jan 2014 21:20:57 -0800 (PST) Received: from ZenIV.linux.org.uk (zeniv.linux.org.uk. [2002:c35c:fd02::1]) by mx.google.com with ESMTPS id mg5si5370044wic.40.2014.01.21.21.20.56 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 21 Jan 2014 21:20:56 -0800 (PST) Date: Wed, 22 Jan 2014 05:20:53 +0000 From: Joel Becker Subject: Re: [LSF/MM TOPIC] really large storage sectors - going beyond 4096 bytes Message-ID: <20140122052052.GM10565@ZenIV.linux.org.uk> References: <20131220093022.GV11295@suse.de> <52DF353D.6050300@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52DF353D.6050300@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ric Wheeler Cc: linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, lsf-pc@lists.linux-foundation.org, linux-kernel@vger.kernel.org On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote: > One topic that has been lurking forever at the edges is the current > 4k limitation for file system block sizes. Some devices in > production today and others coming soon have larger sectors and it > would be interesting to see if it is time to poke at this topic > again. > > LSF/MM seems to be pretty much the only event of the year that most > of the key people will be present, so should be a great topic for a > joint session. Oh yes, I want in on this. We handle 4k/16k/64k pages "seamlessly," and we would want to do the same for larger sectors. In theory, our code should handle it with the appropriate defines updated. Joel -- -- 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