Comment 37 for bug 1398999

Reviewed: https://review.openstack.org/252506
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=f0d5fc61916f41214da580097a09136e4ed2c99a
Submitter: Jenkins
Branch: master

commit f0d5fc61916f41214da580097a09136e4ed2c99a
Author: Pawel Koniszewski <email address hidden>
Date: Fri Dec 11 03:28:50 2015 +0100

    Get list of disks to copy early to avoid multiple DB hits

    To support selective block migration we need to read block devices
    from nova block device mappings instead of libvirt block info.
    It means that in current implementation we would call
    _live_migration_copy_disk_paths two times - from
    live_migration_operations and from live_migration_monitor.
    To avoid that this change gets disk paths early and pass them as
    and additional paremeter to live migration monitor.

    Change-Id: Ic894cfc7374ba06b436b2a76a5984012d1dba3a5
    Related-bug: #1398999