linux-ext4 - Re: [LSF/MM TOPIC] Drop ext2/ext3 codebase? When?

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Message-ID: <AANLkTimebOEZxL6dJxDg19C-XTXgnZpORXjStn+1=cO6@mail.gmail.com>
Date:	Fri, 11 Feb 2011 10:44:25 -0800
From:	Michael Rubin <mrubin@...gle.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Andreas Dilger <adilger@...ger.ca>,
	Eric Sandeen <sandeen@...hat.com>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	ext4 List <linux-ext4@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [LSF/MM TOPIC] Drop ext2/ext3 codebase? When?

Just as an aside, we just upgraded in place a large number of ext2
file systems to ext4. The process completed very smoothly and created
a performance boost for almost every workload we had.

I think keeping ext3 around is really convenient to compare against
ext4 as it becomes more mature, but outside of its academic use I
don't see any good reason to keep it around. With such an easy
migration path for users (mount as ext4 in place) I think an "end of
life" plan should not be that complicated and encouraged.

mrubin
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