From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joakim Ziegler Subject: Re: What happened to e4defrag relevant file and free space defrag? Date: Wed, 03 Sep 2014 14:26:07 -0500 Message-ID: <54076B4F.4020003@terminalmx.com> References: <53F87552.6050000@terminalmx.com> <540760AA.4060900@terminalmx.com> <20140903190207.GJ2504@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org, Akira Fujita To: Theodore Ts'o Return-path: Received: from famine.copyleft.no ([188.94.218.115]:50265 "EHLO mail9.copyleft.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753661AbaICT0O (ORCPT ); Wed, 3 Sep 2014 15:26:14 -0400 In-Reply-To: <20140903190207.GJ2504@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 03/09/14, 14:02, Theodore Ts'o wrote: > On Wed, Sep 03, 2014 at 01:40:42PM -0500, Joakim Ziegler wrote: >> On 23/08/14, 6:04, Joakim Ziegler wrote: >>> >>> Also, about free space defrag, it says: >>> >>> "Implement free space defragmentation (e4defrag -f). We might imple= ment this >>> feature when the relevant defrag development is completed." > > The e4defrag is in e2fsprogs, and the code is still getting maintaine= d > and improved. Dmitry Monakhov has in particular added a lot of > "torture tests", and found a number of race conditions in the > underlying kernel code. He recently also sent a code refactor of the > kernel code which significantly improved it and (shrank the size of > ext4 by 550 lines of code). > > That being said, there hasn't been any real feature development for > e4defrag in quite some time. There has been some discussion about > what the kernel API's might be to support this feature, but there has > never been a finalized API proposal, let alone an implementation. Yeah, I was mostly curious about the relevant file defrag, since Akira'= s=20 presentation from a few years back said that there were patches in revi= ew, and=20 it would, I think, largely solve my problem. --=20 Joakim Ziegler - Supervisor de postproducci=F3n - Terminal joakim@terminalmx.com - 044 55 2971 8514 - 5264 0864 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html