tree d47c07a67114bbf5cd275745f3591acea359fcee
parent c2bcb2b702e4684e566d295d687228498184e0c4
author Mikulas Patocka <mpatocka@redhat.com> 1490278994 -0400
committer Mike Snitzer <snitzer@redhat.com> 1490385264 -0400

dm crypt: use shifts instead of sector_div

sector_div is very slow, so we introduce a variable sector_shift and
use shift instead of sector_div.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>