Merge pull request #5557 from guangyy/wip-12666

rgw: expose the number of unhealthy workers through admin socket

Reviewed-by: Sage Weil <sage@redhat.com>

diff --cc src/common/ceph_context.cc
Simple merge

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

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