From: Andreas Dilger Subject: Re: rfc: [patch] move "_hi" block numbers Date: Thu, 21 Sep 2006 02:50:51 -0700 Message-ID: <20060921095051.GA5729@schatzie.adilger.int> References: <20060915152252.GA1628@openx1.frec.bull.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org, Jean-Pierre Dion Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:7141 "EHLO mail.clusterfs.com") by vger.kernel.org with ESMTP id S1751098AbWIUJux (ORCPT ); Thu, 21 Sep 2006 05:50:53 -0400 To: Alexandre Ratchov Content-Disposition: inline In-Reply-To: <20060915152252.GA1628@openx1.frec.bull.fr> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Sep 15, 2006 17:22 +0200, Alexandre Ratchov wrote: > the attached patch moves ``_hi'' bits of bg_inode_bitmap, bg_block_bitmap > and bg_inode_table in the larger part of the group descriptor structure, as > we discussed the last week. > > With this patch, we let a gap in the first 32 byte part of the group > descriptor. It can be used to port future ext3 features to ext4 or to > backport features from ext4 to ext3, without interfering with the 64bit > support. Looks good to me. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.