From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean noel Cordenner Subject: Re: i_version changes Date: Thu, 14 Feb 2008 09:40:02 +0100 Message-ID: <47B3FE62.80106@bull.net> References: <20080210073041.GA23529@lst.de> <20080212200625.GE18625@fieldses.org> <20080213125214.GA12362@lst.de> <20080213202611.GM13462@fieldses.org> <43290.192.168.1.70.1202937559.squirrel@neil.brown.name> <47B361D8.1070708@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: NeilBrown , "J. Bruce Fields" , Christoph Hellwig , linux-fsdevel@vger.kernel.org To: Peter Staubach Return-path: Received: from ecfrec.frec.bull.fr ([129.183.4.8]:42801 "EHLO ecfrec.frec.bull.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754194AbYBNIic (ORCPT ); Thu, 14 Feb 2008 03:38:32 -0500 In-Reply-To: <47B361D8.1070708@redhat.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: hi, Peter Staubach a =E9crit : >=20 > Is the perceived performance hit really going to be as large > as suspected? We already update the time fields fairly often > and we don't pay a huge penalty for those, or at least not a > penalty that we aren't willing to pay. Has anyone measured > the cost? =46ew month ago, I ran a FFSB test on a 2.6.23 kernel enabling or not t= he=20 i_version flag. http://bullopensource.org/ext4/20071116/ffsb-write.html regards. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html