On Mon 08 Apr 2019 08:22:21 PM CEST, Andrey Shinkevich wrote: > The bottom node is the intermediate block device that has the base as its > backing image. It is used instead of the base node while a block stream > job is running to avoid dependency on the base that may change due to the > parallel jobs. The change may take place due to a filter node as well that > is inserted between the base and the intermediate bottom node. It occurs > when the base node is the top one for another commit or stream job. > After the introduction of the bottom node, don't freeze its backing child, > that's the base, anymore. > > Suggested-by: Vladimir Sementsov-Ogievskiy <[email protected]> > Signed-off-by: Andrey Shinkevich <[email protected]>
Reviewed-by: Alberto Garcia <[email protected]> Berto
