Clean QoS on virtio-blk deletion.

Signed-off-by: Artsiom Koltun <[email protected]>

pkg/frontend/blk.go

@@ -95,7 +95,7 @@ func (s *Server) CreateVirtioBlk(ctx context.Context, in *pb.CreateVirtioBlkRequ
 }
 
 // DeleteVirtioBlk deletes a Virtio block device
-func (s *Server) DeleteVirtioBlk(_ context.Context, in *pb.DeleteVirtioBlkRequest) (*emptypb.Empty, error) {
+func (s *Server) DeleteVirtioBlk(ctx context.Context, in *pb.DeleteVirtioBlkRequest) (*emptypb.Empty, error) {
  log.Printf("DeleteVirtioBlk: Received from client: %v", in)
  controller, ok := s.Virt.BlkCtrls[in.Name]
  if !ok {
@@ -120,6 +120,16 @@ func (s *Server) DeleteVirtioBlk(_ context.Context, in *pb.DeleteVirtioBlkReques
  log.Printf("Could not delete: %v", in)
  return nil, spdk.ErrUnexpectedSpdkCallResult
  }
+
+ if s.needToSetVirtioBlkQos(controller) {
+ if _, err := s.Virt.qosProvider.DeleteQosVolume(ctx,
+ &pb.DeleteQosVolumeRequest{
+ Name: s.qosVolumeIDFromVirtioBlkName(controller.Name),
+ }); err != nil {
+ log.Printf("error: %v", err)
+ return nil, err
+ }
+ }
  delete(s.Virt.BlkCtrls, controller.Name)
  return &emptypb.Empty{}, nil
 }