Merge pull request #30548 from trociny/wip-41557

rbd-mirror: snapshot mirror mode

Reviewed-by: Jason Dillaman <dillaman@redhat.com>

diff --cc src/common/options.cc
Simple merge

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

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

diff --cc src/librbd/api/Snapshot.h
Simple merge

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