Merge pull request #62556 from aainscow/ec_pr_and_prereqs

osd: Optimised EC

Reviewed-by: Radoslaw Zarzynski <rzarzynski@redhat.com>
Reviewed-by: Laura Flores <lflores@redhat.com>

diff --cc src/crimson/osd/pg.h
Simple merge

diff --cc src/osd/CMakeLists.txt
Simple merge

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

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

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