Merge PR ceph#65876 into main

* refs/pull/65876/head:

Reviewed-by: Patrick Donnelly <[email protected]>
Reviewed-by: Venky Shankar <[email protected]>

Author: vshankar

src/mds/CDentry.h

@@ -250,7 +250,7 @@ class CDentry : public MDSCacheObject, public LRUObject, public Counter<CDentry>
 
   // copy cons
   CDentry(const CDentry& m);
-  const CDentry& operator= (const CDentry& right);
+  CDentry& operator=(const CDentry& right) = delete;
 
   // misc
   void make_trimmed_path_string(std::string& s, bool projected,