Merge pull request #21605 from liewegas/wip-osdmap-encode

mon: cache reencoded osdmaps

Reviewed-by: Josh Durgin <jdurgin@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>
Reviewed-by: Xiaoxi CHEN <xiaoxchen@ebay.com>

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

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

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