On Thu 21 Mar 2019 03:53:41 PM CET, Kevin Wolf wrote: >> >>> I think, the correct way, which will support these correct cases >> >>> (which however don't look like real use cases) is removing base >> >>> from stream view. Stream should operate instead using >> >>> bottom-node. >> >> >> >> What is bottom-node? >> > >> > I mean bottom intermediate node, or a node which backing is base. >> >> But the base node is needed, because even if the job doesn't operate >> directly on it it does use the name of the image to store on the top >> image's backing file string. > > That's a one-time thing at the end of the operation, though. I don't > think there is a problem with replacing the base node while the job is > running. It just needs to look at backing_bs(base_node) when it > rewrites the backing file string.
Right, there's a 'backing-file' parameter so the user can specify the string, but by default it's taken from base. Berto
