Merge PR #37711 into master

* refs/pull/37711/head:
	qa/cephfs: create class LocalCephFSMount
	vstart_runner: reuse FuseMount methods in LocalFuseMount
	vstart_runner: reuse KernelMount methods in LocalKernelMount
	qa/cephfs: move common and generic methods mount.py
	qa/cephfs: refactor FuseMount.mount method
	qa/cephfs: refactor KernelMount.mount method

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

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

diff --cc qa/tasks/vstart_runner.py
Simple merge