Merge pull request #12050 from dillaman/wip-16180

librados: asynchronous selfmanaged_snap_create/selfmanaged_snap_remove APIs

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

diff --cc src/include/rados/librados.h
Simple merge

diff --cc src/include/rados/librados.hpp
Simple merge

diff --cc src/librados/IoCtxImpl.cc
Simple merge

diff --cc src/librados/IoCtxImpl.h
Simple merge

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

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

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

diff --cc src/test/librados/snapshots.cc
Simple merge

diff --cc src/test/librados_test_stub/LibradosTestStub.cc
Simple merge

diff --cc src/test/librados_test_stub/TestIoCtxImpl.cc
Simple merge