Merge PR #16036 into HEAD

* refs/remotes/upstream/pull/16036/head:
	mds: improve cap min/max ratio descriptions
	mds: fix whitespace
	mds: cap client recall to min caps per client
	mds: fix conf types
	mds: fix whitespace
	doc/cephfs: add client min cache and max cache ratio describe
	mds: adding tunable features for caps_per_client

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

diff --cc src/common/options.cc
Simple merge

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