Over at Linux Magazine, Jeff Layton interviews ext4 hacker Ted Ts'o
. Layton stays away from the recent ext4 controversy, instead looking at the design goals and future plans for ext4. "One of our primary design goals was that it should be painlessly easy to upgrade from ext3 to ext4. You might not get all of the benefits of ext4 unless you do a backup/reformat/restore of your filesystem, but you would get at least some of the benefits by simply remounting the filesystem using ext4 and enabling some of ext4's features.
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