dm bufio: delete outdated comment

This comment was true when dm-bufio was written but, since 4.3, bios can
now have arbitrary size and the driver splits them.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mikulas Patocka 2018-03-04 01:53:00 -05:00 • committed by Mike Snitzer
commit 1f013174b3