Merge PR #35690 into master

* refs/pull/35690/head:
	mds: fix hang issue when accessing a file under a lost parent directory

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

diff --cc src/mds/CDir.cc
index d46a97c6c3888262af5136468e9413c5aed18f0f,c2393dfa15fe36d33ffb5ad6dd61ab0dbdad67db..548a8c8a2caff672c2327500c8e3bf473c4a0abf
mode 100755,100644..100755
--- 1/src/mds/CDir.cc
--- 2/src/mds/CDir.cc
+++ b/src/mds/CDir.cc