fix: mount the host's /run/nvmf directory to csi-node-driver

deploy/kubernetes/csi-nvmf-node.yaml

@@ -73,6 +73,8 @@ spec:
             - name: pods-mount-dir
               mountPath: /var/lib/kubelet/pods
               mountPropagation: "Bidirectional"
+            - name: run-nvmf-dir
+              mountPath: /run/nvmf
             - name: host-dev
               mountPath: /dev
               mountPropagation: "HostToContainer"
@@ -94,6 +96,10 @@ spec:
           hostPath:
             path: /var/lib/kubelet/pods
             type: Directory
+        - name: run-nvmf-dir
+          hostPath:
+            path: /run/nvmf
+            type: DirectoryOrCreate
         - name: host-dev
           hostPath:
             path: /dev

pkg/nvmf/nodeserver.go

@@ -32,11 +32,6 @@ type NodeServer struct {
 }
 
 func NewNodeServer(d *driver) *NodeServer {
-	if err := os.MkdirAll(RUN_NVMF, 0750); err != nil {
-		klog.Errorf("NewNodeServer: failed to mkdir %s, error: %v", RUN_NVMF, err)
-		return nil
-	}
-
 	return &NodeServer{
 		Driver: d,
 	}