Merge pull request #14351 from yehudasa/wip-rgw-mdsearch

rgw: metadata search part 2

Reviewed-by: Casey Bodley <cbodley@redhat.com>
Reviewed-by: Abhishek Lekshmanan <abhishek@suse.com>

diff --cc ceph.spec.in
Simple merge

diff --cc src/common/ceph_json.h
Simple merge

diff --cc src/rgw/CMakeLists.txt
Simple merge