cephfs: add read affinity mount option

This commit makes use of crush location labels from node
labels to supply `crush_location` and `read_from_replica=localize`
options during mount. Using these options, cephfs
will be able to redirect reads to the closest OSD,
improving performance.

Signed-off-by: Praveen M <m.praveen@ibm.com>

internal/rbd/driver/driver.go

@@ -71,11 +71,10 @@ func NewNodeServer(
 	t string,
 	nodeLabels, topology, crushLocationMap map[string]string,
 ) (*rbd.NodeServer, error) {
+	cliReadAffinityMapOptions := util.ConstructReadAffinityMapOption(crushLocationMap)
 	ns := rbd.NodeServer{
-		DefaultNodeServer:         csicommon.NewDefaultNodeServer(d, t, topology),
-		VolumeLocks:               util.NewVolumeLocks(),
-		NodeLabels:                nodeLabels,
-		CLIReadAffinityMapOptions: util.ConstructReadAffinityMapOption(crushLocationMap),
+		DefaultNodeServer: csicommon.NewDefaultNodeServer(d, t, cliReadAffinityMapOptions, topology, nodeLabels),
+		VolumeLocks:       util.NewVolumeLocks(),
 	}
 
 	return &ns, nil