Checking Cinder disk when tickers are delivered

Cinder's WaitForAttach() runs probeAttachedVolume() 2 times per
second, that triggers SCSI rescan and generates many udev "change"
events.

Author: FengyunPan2

pkg/volume/cinder/attacher.go

@@ -240,7 +240,6 @@ func (attacher *cinderDiskAttacher) WaitForAttach(spec *volume.Spec, devicePath
 	defer timer.Stop()
 
 	for {
-		probeAttachedVolume()
 		select {
 		case <-ticker.C:
 			glog.V(5).Infof("Checking Cinder disk %q is attached.", volumeID)