Enable block device cache support. Enable sys-fs/cryptsetup support Enable support for device-mapper from sys-fs/lvm2 Support for dmraid devices, also known as ATA-RAID, or Fake RAID. Support for building crypto plugin with escrow device support Enable kernel block device support. Enable support for Logical Volume Management via sys-fs/lvm2. Add nvme support via sys-libs/libnvme Build tools Enable Virtual Data Optimizer support. storaged-project/libblockdev