From: Kazuya Mio Subject: Re: [PATCH 00/11] e4defrag: fragmentation score rework and cleanups Date: Tue, 19 Apr 2011 15:11:46 +0900 Message-ID: <4DAD27A2.60208@sx.jp.nec.com> References: <4D9EBE5E.3060102@sx.jp.nec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit To: ext4 , Theodore Tso Return-path: Received: from TYO202.gate.nec.co.jp ([202.32.8.206]:58529 "EHLO tyo202.gate.nec.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752274Ab1DSGMh (ORCPT ); Tue, 19 Apr 2011 02:12:37 -0400 In-Reply-To: <4D9EBE5E.3060102@sx.jp.nec.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: Hi Ted, Do you have any comments on this? 2011/04/08 16:50, Kazuya Mio wrote: > Hi, > > This patch set adds the new function get_fragment_score() to libe2p, that > calculates the fragmentation score. Fragmentation score shows how badly > fragmented the file might be. filefrag uses it to make a user understand > the status of the file fragmentation easily. And e4defrag also uses it > to determine smarter whether to call EXT4_IOC_MOVE_EXT ioctl. This improvement > is based on the following Ted's idea. > http://marc.info/?l=linux-ext4&m=129324612305011&w=4 > > In addition, the 6th to the last is bugfix or cleanup patch. > > This patch set is for e2fsprogs git tree. (commit:5af9eeaa7d) > > Kazuya Mio (11): > libe2p: Add new function get_fragment_score() > filefrag: Output fragmentation score > e4defrag: Remove -c option which check the file fragments > e4defrag: Remove old fragmentation score calculation code > e4defrag: Use get_fragment_score() for decision of whether to defrag > e4defrag: Allow user who has read+write permission to defrag > e4defrag: Fix memory leak in file_defrag() > e4defrag: Use blk64_t instead of ext4_fsblk_t > e4defrag: Use EXT2_SUPER_MAGIC instead of EXT4_SUPER_MAGIC > e4defrag: Fix error messages more clearly > e4defrag: Remove unnecessary code > > lib/e2p/Makefile.in | 6 > lib/e2p/e2p.h | 2 > lib/e2p/fragment_score.c | 142 +++++++ > misc/Makefile.in | 8 > misc/e4defrag.8.in | 30 - > misc/e4defrag.c | 889 +++++------------------------------------------ > misc/filefrag.c | 28 + > 7 files changed, 288 insertions(+), 817 deletions(-) > > Regards, > Kazuya Mio > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >