shrink-mds: refact post tasks
shrink-mds: refact post tasks

This commit refacts the way we check the "mds_to_kill" node is well
stopped.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>
Signed-off-by: Rishabh Dave <d65d05ccb4d95d4cd49c1a041af3276370381a83@redhat.com>

ceph/ceph-ansible,ceph/ceph-ansible