atch, supports file systems up to 16 TiB in size.
This patch cleans up those sites so that we can enable the full usable size.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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