On 3/1/19 1:15 PM, John Snow wrote: > drive and blockdev backup cannot use readonly bitmaps, because the > sync=incremental mechanism actually edits the bitmaps on success. > > If you really want to do this operation, use a copied bitmap.
In fact, that's what I ended up doing in my libvirt patches, always running sync=incremental on a temporary copy. Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
