Merge pull request #43667 from ifed01/wip-ifed-fix-ram-gridy-fsck

os/bluestore: make shared blob fsck much less RAM-greedy.

Reviewed-by: Adam Kupczyk <akupczyk@redhat.com>

diff --cc src/common/options/global.yaml.in
Simple merge

diff --cc src/os/bluestore/BlueStore.cc
Simple merge

diff --cc src/os/bluestore/BlueStore.h
Simple merge

diff --cc src/os/bluestore/bluestore_types.h
Simple merge

diff --cc src/test/objectstore/store_test.cc
Simple merge