Merge PR #57177 into wip-vshankar-testing-20250113.141608-reef-debug

* refs/pull/57177/head:
	mds: move drop_locks to directly after rdonly check
	qa: test that ceph.dir.subvolume is replicated properly
	mds: add debug "lock path" command
	qa: move reqid_tostr helper
	qa: return run_shell process for waiters

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

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

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