* refs/pull/26237/head:
Revert "qa: update test_envlibrados_for_rocksdb.sh for libradospp split"
doc/librados: explicitly mention that the C++ API is not stable
ceph.spec: force use of upgrade devtoolset-gcc under RHEL 7
librados: add symbol versioning to the C++ API
librados: add symbol versioning to the C API
librados: revert librados3/libradoscc back to librados2
Reviewed-by: Kefu Chai <kchai@redhat.com>