From: Andreas Dilger Subject: Re: [PATCH 2/4] e2fsprogs: Add undoe2fs Date: Wed, 1 Aug 2007 01:02:11 -0500 Message-ID: <20070801060211.GO5469@schatzie.adilger.int> References: <47f96570519d76b8d59f92b729a0a48c4a1b68d8.1185933778.git.aneesh.kumar@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: tytso@mit.edu, linux-ext4@vger.kernel.org To: "Aneesh Kumar K.V" Return-path: Received: from mail.clusterfs.com ([74.0.229.162]:54481 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755707AbXHAGCz (ORCPT ); Wed, 1 Aug 2007 02:02:55 -0400 Content-Disposition: inline In-Reply-To: <47f96570519d76b8d59f92b729a0a48c4a1b68d8.1185933778.git.aneesh.kumar@linux.vnet.ibm.com> Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Aug 01, 2007 07:34 +0530, Aneesh Kumar K.V wrote: > undoe2fs can be used to replay the transaction saved > in the transaction file using undo I/O Manager This should save the mtime of the superblock, and only do the undo step if the filesystem hasn't changed. Otherwise it could seriously corrupt the filesystem. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.