From: Jean-Noel Cordenner Subject: [RFC] [patch 0/3] change attribute for ext4 Date: Wed, 29 Nov 2006 19:54:05 +0100 Message-ID: <456DD74D.3040004@bull.net> References: <20060913164202.GA14838@openx1.frec.bull.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ecfrec.frec.bull.fr ([129.183.4.8]:61830 "EHLO ecfrec.frec.bull.fr") by vger.kernel.org with ESMTP id S967534AbWK2SxB (ORCPT ); Wed, 29 Nov 2006 13:53:01 -0500 Received: from localhost (localhost [127.0.0.1]) by ecfrec.frec.bull.fr (Postfix) with ESMTP id CAE5019D91C for ; Wed, 29 Nov 2006 19:52:55 +0100 (CET) Received: from ecfrec.frec.bull.fr ([127.0.0.1]) by localhost (ecfrec.frec.bull.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 21645-01 for ; Wed, 29 Nov 2006 19:52:50 +0100 (CET) Received: from ecn002.frec.bull.fr (ecn002.frec.bull.fr [129.183.4.6]) by ecfrec.frec.bull.fr (Postfix) with ESMTP id 5754119D924 for ; Wed, 29 Nov 2006 19:52:50 +0100 (CET) To: linux-ext4@vger.kernel.org In-Reply-To: <20060913164202.GA14838@openx1.frec.bull.fr> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org Hello, I've updated the change attribute patch for ext4 that was initially posted by Alexandre Ratchov. The change attribute is a simple counter that is set on inode creation and that is incremented every time the inode data is modified (similarly to the "ctime" time-stamp) and never reset. Here are the results of tests I ran with and without the change attribute patch. http://www.bullopensource.org/ext4/change_attribute/index.html Any comments are welcome. regards, Jean noel