Merge pull request #62481 from YiteGu/wip-some-fix-for-discard-reef

reef: blk/kerneldevice: some fix for device discard

Reviewed-by: Igor Fedotov <igor.fedotov@croit.io>

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

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

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

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