From: Eric Sandeen Subject: Re: delalloc fragmenting files? Date: Fri, 02 Nov 2007 10:41:51 -0500 Message-ID: <472B453F.8010608@redhat.com> References: <47225B1E.2060708@redhat.com> <20071026221938.GV3042@webber.adilger.int> <4728ED3B.1060407@redhat.com> <47291F62.3000008@gmail.com> <4729EEB2.9090406@redhat.com> <472A2384.2010001@redhat.com> <472AE644.1040102@gmail.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------010709040202090808000201" Cc: Andreas Dilger , ext4 development To: Alex Tomas Return-path: Received: from mx1.redhat.com ([66.187.233.31]:47713 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759176AbXKBPl7 (ORCPT ); Fri, 2 Nov 2007 11:41:59 -0400 In-Reply-To: <472AE644.1040102@gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org This is a multi-part message in MIME format. --------------010709040202090808000201 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Alex Tomas wrote: > Eric, > > would you mind to repeat the run and then grab /proc/fs/ext4//mb_history? > > thanks in advance, Alex Sure thing, attached; this is from a 1024x1M run, wound up with 32 fragments, out of order: First block: 122880 Last block: 491519 Discontinuity: Block 7424 is at 114688 (was 130303) Discontinuity: Block 15616 is at 106496 (was 122879) Discontinuity: Block 23552 is at 102400 (was 114431) Discontinuity: Block 26624 is at 155648 (was 105471) Discontinuity: Block 33792 is at 147456 (was 162815) Discontinuity: Block 41472 is at 162816 (was 155135) Discontinuity: Block 42496 is at 188416 (was 163839) Discontinuity: Block 50176 is at 180224 (was 196095) Discontinuity: Block 58368 is at 172032 (was 188415) Discontinuity: Block 66560 is at 167936 (was 180223) .... pid 3695 is pdflush, I assume 7634 was the dd itself. -Eric --------------010709040202090808000201 Content-Type: application/x-bzip; name="mb_history.bz2" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="mb_history.bz2" 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