On 2/4/20 11:08 AM, Max Reitz wrote:
Make bdrv_child_cb_detach() call bdrv_backing_detach() for children with
a COW role (and drop the reverse call from bdrv_backing_detach()), so it
can be used for any child (with a proper role set).

Because so far no child has a proper role set, we need a temporary new
callback for child_backing.detach that ensures bdrv_backing_detach() is
called for all COW children that do not have their role set yet.

Signed-off-by: Max Reitz <mre...@redhat.com>
---
  block.c | 15 ++++++++++++++-
  1 file changed, 14 insertions(+), 1 deletion(-)

Looks oddly familiar after 11/33 :)
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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