VDDK: more reliable transfers of full disks. (#1547)
VDDK: more reliable transfers of full disks. (#1547)

Fixes 2GB pwrites causing importer crash, and fixes progress update
delays that were sometimes exceeding a timeout. Also removes some
gratuitous logging.

Signed-off-by: Matthew Arnold <d4eda0635a63ac62bc5f7212ffbe3655b520ed88@redhat.com>
kubevirt/containerized-data-importer,kubevirt/containerized-data-importer,kubevirt/containerized-data-importer