Description of problem: Customer need the feature of extending the disk with the volume with "in-use" status through the panel in Openstack version 16.2. Version-Release number of selected component (if applicable): RHOSP 16.2 How reproducible: Always Steps to Reproduce: 1. Try to resize the volume with "in-use" status through the panel. or 2.$ openstack volume set --size 20 testvolume Actual results: Failed to set volume size: Volume is in in-use state, it must be available before size can be extended Expected results: openstack command allows resize operation, and sends request to volume api Additional info: The same feature was developed to Openstack 17 with the BZ#1689706.