Merge pull request #33989 from ifed01/wip-ifed-better-bluefs-expand

os/bluestore: open DB in read-only when expanding DB/WAL.

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

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

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

diff --cc src/os/bluestore/BlueRocksEnv.cc
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_tool.cc
Simple merge

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