linux-ext4 - Re: [PATCH 2/4] e2fsprogs: Add undoe2fs

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Message-ID: <20070801060211.GO5469@schatzie.adilger.int>
Date:	Wed, 1 Aug 2007 01:02:11 -0500
From:	Andreas Dilger <adilger@...sterfs.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	tytso@....edu, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/4] e2fsprogs: Add undoe2fs

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.

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