From: Andreas Dilger Subject: Re: Ext4 devel interlock meeting minutes (Dec. 13 2006) Date: Wed, 13 Dec 2006 17:08:34 -0700 Message-ID: <20061214000834.GB5937@schatzie.adilger.int> References: <45809003.5060403@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:36839 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751789AbWLNAIg (ORCPT ); Wed, 13 Dec 2006 19:08:36 -0500 To: "AVANTIKA R. MATHUR" Content-Disposition: inline In-Reply-To: <45809003.5060403@linux.vnet.ibm.com> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Dec 13, 2006 15:42 -0800, AVANTIKA R. MATHUR wrote: > - Change Attribute: > -- Andreas asked the bull team why a new field in the inode is > necessary rather than using the i_version field, and also mentioned that > all code changes can be in mark_inode_dirty. > -- The ctime cannot be used for the change attribute because if the > server clock is incorrect, the ctime can go backwards in time. > -- semantics needed: nfsv4 and bull team require 32 bits, clusterfs > needs 64 bits. Minor clarification. Bull patch for NFSv4 only uses 32 bits, but apparently the NFSv4 spec calls for 64 bits. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.