Remove dead code

Signed-off-by: Madhu Rajanna <mrajanna@redhat.com>

pkg/rbd/rbd.go

@@ -47,8 +47,7 @@ type rbd struct {
 }
 
 var (
-	rbdDriver *rbd
-	version   = "1.0.0"
+	version = "1.0.0"
 )
 
 func GetRBDDriver() *rbd {

pkg/rbd/rbd_attach.go

@@ -46,18 +46,6 @@ func init() {
 	hasNBD = checkRbdNbdTools()
 }
 
-func getDevFromImageAndPool(pool, image string) (string, bool) {
-	device, found := getRbdDevFromImageAndPool(pool, image)
-	if found {
-		return device, true
-	}
-	device, found = getNbdDevFromImageAndPool(pool, image)
-	if found {
-		return device, true
-	}
-	return "", false
-}
-
 // Search /sys/bus for rbd device that matches given pool and image.
 func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
 	// /sys/bus/rbd/devices/X/name and /sys/bus/rbd/devices/X/pool

pkg/rbd/rbd_util.go

@@ -30,11 +30,7 @@ import (
 
 const (
 	imageWatcherStr = "watcher="
-	rbdImageFormat1 = "1"
 	rbdImageFormat2 = "2"
-	imageSizeStr    = "size "
-	sizeDivStr      = " MB in"
-	kubeLockMagic   = "kubelet_lock_magic_"
 	// The following three values are used for 30 seconds timeout
 	// while waiting for RBD Watcher to expire.
 	rbdImageWatcherInitDelay = 1 * time.Second