Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964828AbWA0Hn6 (ORCPT ); Fri, 27 Jan 2006 02:43:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964829AbWA0Hn6 (ORCPT ); Fri, 27 Jan 2006 02:43:58 -0500 Received: from rwcrmhc11.comcast.net ([204.127.192.81]:152 "EHLO rwcrmhc11.comcast.net") by vger.kernel.org with ESMTP id S964828AbWA0Hn5 (ORCPT ); Fri, 27 Jan 2006 02:43:57 -0500 Message-ID: <43D9CF3C.9070706@namesys.com> Date: Thu, 26 Jan 2006 23:43:56 -0800 From: Hans Reiser User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041217 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Edward Shishkin CC: Jens Axboe , LKML , Reiserfs mail-list Subject: Re: random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress) References: <43D7C6BE.1010804@namesys.com> <43D7CA7F.4010502@namesys.com> <20060126153343.GH4311@suse.de> <43D91225.3030605@namesys.com> <20060126185612.GM4311@suse.de> <43D933EB.6080009@namesys.com> In-Reply-To: <43D933EB.6080009@namesys.com> X-Enigmail-Version: 0.90.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 677 Lines: 20 Edward Shishkin wrote: > > I guess this is because real compression is going in background > flush, not in sys_write->write_cryptcompress (which just copies > user's data to page cache). So in this case we have something > very similar to ext2. Reiser4 plain write (write_unix_file) is > more complex, and currently we try to reduce its sys time. > > Edward. > > > > Which means that only real time is a meaningful measurement..... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/