This makes sure that the image we are streaming into is open in read-write mode during the operation.
Operation blockers are also set in all intermediate nodes, since they will be removed from the chain afterwards.
Finally, this also unblocks the stream operation in backing files.
61b49e4 block: Support streaming to an intermediate layer
block.c | 4 +++-
block/stream.c | 24 ++++++++++++++++++++++++
2 files changed, 27 insertions(+), 1 deletion(-)
Upstream: git.qemu.org