Merge pull request #20290 from rzarzynski/wip-common-subsystemmap

core: make the main dout() paths faster and more maintanable

Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc src/mds/MDCache.cc
Simple merge

diff --cc src/msg/Message.cc
Simple merge

diff --cc src/os/filestore/FileStore.cc
Simple merge

diff --cc src/rgw/rgw_rados.cc
Simple merge

diff --cc src/rgw/rgw_rest_s3.cc
Simple merge

diff --cc src/rgw/rgw_rest_swift.cc
Simple merge