Merge pull request #25194 from dillaman/wip-36650

librbd: extend API to include parent/child namespaces and image ids

Reviewed-by: Mykola Golub <mgolub@suse.com>

diff --cc src/librbd/api/Image.cc
Simple merge

diff --cc src/librbd/librbd.cc
Simple merge

diff --cc src/pybind/rbd/rbd.pyx
Simple merge

diff --cc src/test/pybind/test_rbd.py
Simple merge