Merge pull request #54597 from sseshasa/wip-mclk-snaptrim-cost

osd: Tune snap trim item cost to reflect a PGs' average object size for mClock scheduler

Reviewed-by: Samuel Just <sjust@redhat.com>

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

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

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

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