LSM_INT_DMVERITY_ROOTHASH
r = security_bdev_setintegrity(bdev, LSM_INT_DMVERITY_ROOTHASH, &root_digest,
security_bdev_setintegrity(bdev, LSM_INT_DMVERITY_ROOTHASH, NULL, 0);
if (type != LSM_INT_DMVERITY_ROOTHASH)
if (type == LSM_INT_DMVERITY_ROOTHASH)