Merge PR #35234 into master

* refs/pull/35234/head:
	mds: cleanup uncommitted fragments before mds goes to active

Reviewed-by: Sidharth Anupkrishnan <sanupkri@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>

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

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

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