Merge pull request #52846 from lxbsz/wip-62201

reef: mds: skip forwarding request if the session were removed

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

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

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

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