Merge pull request #11921 from adamemerson/wip-clangtastic

build: The Light Clangtastic

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

diff --cc src/mon/OSDMonitor.cc
Simple merge

diff --cc src/os/bluestore/BlueStore.h
Simple merge

diff --cc src/osd/ECBackend.cc
Simple merge

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