On 1/23/20 9:57 AM, Peter Krempa wrote:
When using blockdev configurations the 'device' argument of
'blockdev-mirror' must correspond to the topmost node in the block node
graph. Libvirt didn't do this properly in case when 'copy_on_read'
option was enabled on the disk.

Use qemuDomainDiskGetTopNodename to fix it for the blockdev-mirror calls
in qemuDomainBlockCopy and the non-shared-storage migration.

Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
  src/qemu/qemu_driver.c    | 2 +-
  src/qemu/qemu_migration.c | 2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Eric Blake <ebl...@redhat.com>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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