Merge PR #31778 into master

* refs/pull/31778/head:
	os/bluestore: pin onodes as they are added to the cache
	Revert "Revert "Merge pull request #30964 from markhpc/wip-bs-cache-trim-pinned""

Reviewed-by: Mark Nelson <mnelson@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>

diff --cc src/common/options.cc
Simple merge

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

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