Create blank disk creates a 0 sized disk

[awels]

Is this a BUG REPORT or FEATURE REQUEST?:

/kind bug

What happened:
The blank disk is size 0 instead of the requested size.

What you expected to happen:
The disk is the size requested.

How to reproduce it (as minimally and precisely as possible):
Add the proper annotation to create a blank disk

Anything else we need to know?:

Environment:

• CDI version (use kubectl get deployments cdi-deployment -o yaml):
  1.4.0
• Kubernetes version (use kubectl version):
• Cloud provider or hardware configuration:
• Install tools:
• Others: