Merge pull request #14989 from liewegas/wip-19877

osd: fix past_intervals base case by adding epoch_pool_created to pg_history_t

Reviewed-by: Josh Durgin <jdurgin@redhat.com>

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

diff --cc src/osd/PG.h
Simple merge

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

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