From: Andreas Dilger Subject: Re: [PATCH v4 0/3] dioread_nolock patch Date: Mon, 22 Feb 2010 17:36:20 -0700 Message-ID: References: <1263583812-21355-1-git-send-email-tytso@mit.edu> <4B50C78D.2000807@redhat.com> <20100115201521.GE7256@thunk.org> <4B50CD5B.9050804@redhat.com> <532480951001151347w2f1bf2b2j34bb88b58a766f9c@mail.gmail.com> <20100122204715.GA6781@shell> <532480951002191656m17ce0880n75cedd0534689365@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; CHARSET=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7BIT Cc: Valerie Aurora , Eric Sandeen , Jiaying Zhang , tytso@mit.edu, Ext4 Developers List To: Michael Rubin Return-path: Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:56973 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753355Ab0BWQyf (ORCPT ); Tue, 23 Feb 2010 11:54:35 -0500 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id o1NGsZ7q015516 for ; Tue, 23 Feb 2010 08:54:35 -0800 (PST) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) id <0KYA00N00ZFX0O00@fe-sfbay-10.sun.com> for linux-ext4@vger.kernel.org; Tue, 23 Feb 2010 08:54:35 -0800 (PST) In-reply-to: <532480951002191656m17ce0880n75cedd0534689365@mail.gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 2010-02-19, at 17:56, Michael Rubin wrote: > On Fri, Jan 22, 2010 at 12:47 PM, Valerie Aurora > wrote: >> Don't let the perfect be the enemy of the good. :) I'd love to see >> what you've got now, even if you have to leave out the closed part >> of it. > > We are currently reviewing a paper to send out this data. > Sorry to take so long but we have been very busy with the ext4 > upgrade. > We plan on publishing other papers about our experiences with ext4 > this summer also. > Out of curiosity is there anything anyone is curious about in the file > system space? What are you asking for, in particular. I'd of course be interested to know if you have numbers for bandwidth/latency improvements for ext4, e2fsck time improvements (if the system is doing this), etc. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.