Merge PR #49691 into main

* refs/pull/49691/head:
	qa: add test for opening a file via a hard link that is not in the same mds as the inode
	mds: rdlock_path_xlock_dentry supports returning auth target inode

Reviewed-by: Venky Shankar <vshankar@redhat.com>

diff --cc qa/tasks/cephfs/filesystem.py
Simple merge

diff --cc qa/tasks/cephfs/mount.py
Simple merge

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

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

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

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