Merge pull request #13594 from athanatos/wip-snap-trim-sleep

osd: add snap trim reservation and re-implement osd_snap_trim_sleep

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

diff --cc qa/tasks/ceph_manager.py
Simple merge

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

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

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

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

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

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

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