Converting ext3 to ext4 resulting in loss of data?

Tue Aug 10 13:01:47 UTC 2010

On Tue, Aug 10, 2010 at 8:52 PM, James Hogarth <james.hogarth at gmail.com> wrote:
> Choosing in the installer to format a partition as any format will indeed
> format said partition.
>
> It is possible to relable an ext3 filesystem as ext4 but conversion is not
> part of the installer... it is something you would have to do manually
> yourself.

Oh boy.
Is there anyway I can recover the data?