Merge pull request #33753 from ukernel/wip-44448

mds: fix 'if there is lock cache on dir' check

diff --cc src/mds/Locker.cc
Simple merge

diff --cc src/mds/Mutation.h
Simple merge

diff --cc src/mds/SimpleLock.cc
Simple merge

diff --cc src/mds/SimpleLock.h
Simple merge