Address review comments.
Address review comments.

Signed-off-by: veda <500ea1183efa14e2c444415e1014d0fe91770b5c@portworx.com>

pault84/openstorage,libopenstorage/openstorage,libopenstorage/openstorage,pault84/openstorage,libopenstorage/openstorage,pault84/openstorage