Am 06.10.2016 um 15:02 hat Alberto Garcia geschrieben:
> When block-commit is launched without the top parameter, it uses
> internally a mirror block job. In that case all intermediate nodes
> between the active and base nodes must be blocked as well.
> Signed-off-by: Alberto Garcia <>

Same as the patch before, dataplane is okay because AioContexts are
switched together with the source image.

On second thought, however, maybe both places should set a blocker that
prevents attaching intermediate nodes to a new block device because you
can't read consistent data there. That's a preexisting problem, though,
and needs its own patch.

Reviewed-by: Kevin Wolf <>

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