ceph: pr_info when mds reconnect completes

This helps the user know what's going on during the (involved) reconnect
process.  They already see when the mds fails and reconnect starts.
Signed-off-by: Sage Weil <sage@newdream.net>

fs/ceph/mds_client.c

@@ -2234,6 +2234,7 @@ static void check_new_map(struct ceph_mds_client *mdsc,
 		 */
 		if (oldstate < CEPH_MDS_STATE_ACTIVE &&
 		    newstate >= CEPH_MDS_STATE_ACTIVE) {
+			pr_info("mds%d reconnect completed\n", s->s_mds);
 			kick_requests(mdsc, i, 1);
 			ceph_kick_flushing_caps(mdsc, s);
 		}