[CentOS] premature question on 5.6

Mon Feb 7 15:55:00 UTC 2011
Jerry Geis <geisj at pagestation.com>

What will be the correct way to migrate ext3 to ext4 going from 5.5 to 5.6?
Will something after the update ask if you want to migrate the file systems?
Looking forward to some file system speed ups with large files.