linux-ext4 - Re: [PATCH, RFC] jbd2: Add commit time into the commit block

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Message-id: <20080316012602.GZ3542@webber.adilger.int>
Date:	Sun, 16 Mar 2008 09:26:02 +0800
From:	Andreas Dilger <adilger@....com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH, RFC] jbd2: Add commit time into the commit block

On Mar 15, 2008  20:59 -0400, Theodore Ts'o wrote:
> Carlo Wood has demonstrated that it's possible to recover deleted
> files from the journal.  Something that will make this easier is if we
> can put the time of the commit into commit block.

Note that we'd still be a lot further ahead undelete- and performance-wise
if we avoided overwriting the indirect blocks in the first place...  As
it is, this is only really useful if you pull the plug after the delete.
No harm in doing it, but won't help you recover as much as you could.

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

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