From: Theodore Tso Subject: Re: Online ext4 defragmention Date: Mon, 12 Jan 2009 09:15:39 -0500 Message-ID: <20090112141539.GD21793@mit.edu> References: <20090111134443.581cfc83@lithium.local.net> <20090111202838.GA29383@mit.edu> <170fa0d20901120539w4e3bbc03na39f01edde206d25@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Alex Buell , Linux Kernel Mailing List , linux-ext4@vger.kernel.org To: Mike Snitzer Return-path: Received: from thunk.org ([69.25.196.29]:39955 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751380AbZALOPo (ORCPT ); Mon, 12 Jan 2009 09:15:44 -0500 Content-Disposition: inline In-Reply-To: <170fa0d20901120539w4e3bbc03na39f01edde206d25@mail.gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, Jan 12, 2009 at 08:39:33AM -0500, Mike Snitzer wrote: > > Hi Ted, > > Could you elaborate on which allocation patches you're referring to in > the ext4 patch queue (2.6.28-ext4-3?) ? They haven't been implemented yet. They've been discussed on the ext4 mailing list, however. Basically, the Orlov algorithm was disabled for flex_bg, and I want to optimize how directory blocks are allocated to hopefully speed up fsck times a tad bit more. The design has been roughly worked out; but it's a matter of me finding time to code and test it... - Ted