From: Kazuya Mio Subject: Re: [PATCH 0/2] ext3: Reduce calling ext3_mark_inode_dirty() for speedup Date: Wed, 01 Feb 2012 17:35:46 +0900 Message-ID: <4F28F962.2040209@sx.jp.nec.com> References: <4F2657AD.9060901@sx.jp.nec.com> <97F0BDAD-B6D8-4246-B790-E269025F4A7D@dilger.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: ext4 , Jan Kara To: Andreas Dilger Return-path: Received: from TYO202.gate.nec.co.jp ([202.32.8.206]:33603 "EHLO tyo202.gate.nec.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753157Ab2BAIjB (ORCPT ); Wed, 1 Feb 2012 03:39:01 -0500 In-Reply-To: <97F0BDAD-B6D8-4246-B790-E269025F4A7D@dilger.ca> Sender: linux-ext4-owner@vger.kernel.org List-ID: 2012/01/31 5:36, Andreas Dilger wrote: > Can you please run this same measurement on ext4 formatted and running > with the default options? I'd like to know if this is still a problem > in ext4 or not. I performed the same measurement on ext4 with the default options. Here is its result: filesystem time(sec) call extX_mark_inode_dirty(times) --- ext3 220.5 50,338,104 ext3 (patched) 196.3 25,169,658 ext4 (*1) 190.3 28,465,799 ext4 (*2) 201.5 27,963,473 ext4 (default) 223.3 14,026,118 *1 disable ext4-specific options (delalloc, extent, and so on) *2 disable only delalloc option Regards, Kazuya Mio