linux-ext4 - Re: Help to read journal content

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Message-id: <20090803195444.GH5432@webber.adilger.int>
Date:	Mon, 03 Aug 2009 13:54:44 -0600
From:	Andreas Dilger <adilger@....com>
To:	ranjith kannikara <ranjithkannikara@...il.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: Help to read journal content

On Aug 03, 2009  17:16 +0530, ranjith kannikara wrote:
> We are doing a project to make an applicatio that can recover the
> deleted data from an ext3 filesystem
> <http://sourceforge.net/projects/recoverext3/>. We ahve used the tools
> foremost and debugfs to debug the filesystem and read the journal.
> Is there any way to read the journal?
> Or How can we read the journal of a filesystem.
> The inode number of the journal is present in the ext3_super_block
> structure. But We are able to open the inode only with the help of
> these tools.
> Can someone guide us to where tio find the details of how a journal
> can be read.

Why create a new tool?  There is ext3grep which already does a lot of
this work, and it would be much better to spend your time to improve
that tool instead of spending time developing a new tool that doesn't
do anything better than any existing one.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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