Updated openstack/openstack
Project: openstack/cinder  653c403b047822e3a4b270c78218142d1ec33347
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Add support for extend volume in GPFS vol driver

Add support for extend volume support to the GPFS volume
driver.

Ensure that requested volume size is implemented for each
of the volume creation paths.

Replace instances where units.GiB could be used but was not.

Implements: blueprint gpfs-extend-volume-support
Change-Id: I79295205f4147fca109f5cb59497a6e1fbe6d296