Merge PR #57203 into squid

* refs/pull/57203/head:
	mds: do not try fragmenting or exporting a quiesced directory
	mds: set/test ALL_LOCKED on fragment_dir request
	mds: pass bypassfreezing to parent auth pin req
	qa: add quiesce tests during fragmentation
	qa: translate empty output from rank_tell to empty dict
	qa: move reqid_tostr helper

Reviewed-by: Leonid Usov <leonid.usov@ibm.com>

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