UPSTREAM: dm verity: factor out verity_for_bv_block()

verity_for_bv_block() will be re-used by optional dm-verity object.

Bug: 27175947

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Change-Id: Ibb92babd75f71a829a65cc63f28acaf2c3839de0
2 files changed