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While libvirt itself does support moving between\nmultiple volumes attached to the same instance at the same time the\ncurrent logic within the libvirt driver makes a call to\nvirDomainGetXMLDesc that fails if there are active block jobs against\nany disk attached to the domain.\n\nThis change simply uses an instance.uuid based lock in the compute layer\nto serialise requests to swap_volume to avoid this from being possible.\n\nCloses-Bug: #1896621\nChange-Id: Ic5ce2580e7638a47f1ffddb4edbb503bf490504c\n(cherry picked from commit 6cf449bdd0d4beb95cf12311e7d2f8669e625fac)\n(cherry picked from commit eebf94b6540fcd16826067fac544b5a3238842a3)\n(cherry picked from commit f7ba1aab5f6f76ba88d6cc63cde2ec246ee61ec5)\n(cherry picked from commit 6540161933ec007d3de01dfc420595664781aa37)\n(cherry picked from commit 9be0c52439f50ed0fbb9657577c227ce9bb7fc6d)\n(cherry picked from commit 8504c900edd0808770d9c4014a58a2b3b29ef6c3)\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a89f46cb3b2c8965696bc59875b75dcdb6728897"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a89f46cb3b2c8965696bc59875b75dcdb6728897"}]},"branch":"refs/heads/stable/queens"}},"requirements":[],"submit_records":[],"submit_requirements":[]}