fix some review comments

Signed-off-by: lowang-bh <lhui_wang@163.com>

pkg/scheduler/actions/reclaim/reclaim.go

@@ -131,6 +131,7 @@ func (ra *Action) Execute(ssn *framework.Session) {
 			// When filtering candidate nodes, need to consider the node statusSets instead of the err information.
 			// refer to kube-scheduler preemption code: https://github.com/kubernetes/kubernetes/blob/9d87fa215d9e8020abdc17132d1252536cd752d2/pkg/scheduler/framework/preemption/preemption.go#L422
 			if err := ssn.PredicateWhenPreempt(task, n); err != nil {
+				klog.V(4).Infof("Reclaim predicate for task %s/%s on node %s return error %v ", task.Namespace, task.Name, n.Name, err)
 				continue
 			}
 

pkg/scheduler/plugins/extender/extender.go

@@ -176,8 +176,8 @@ func (ep *extenderPlugin) OnSessionOpen(ssn *framework.Session) {
 			if len(resp.ErrorMessage) == 0 {
 				return nil
 			}
-			// keep compatibility with old behavior: error messages length is not zero
-			// but didn't return a code, and code will be 0 for default. Change code to zero for corresponding
+			// keep compatibility with old behavior: error messages length is not zero,
+			// but didn't return a code, and code will be 0 for default. Change code to Error for corresponding
 			if resp.Code == api.Success {
 				resp.Code = api.Error
 			}

pkg/scheduler/plugins/usage/usage.go

@@ -132,7 +132,6 @@ func (up *usagePlugin) OnSessionOpen(ssn *framework.Session) {
 			klog.V(4).Infof("The period(%s) is empty or the usage metrics data is not updated for more than %v minutes, "+
 				"Usage plugin filter for task %s/%s on node %s pass, metrics time is %v. ", up.period, MetricsActiveTime, task.Namespace, task.Name, node.Name, node.ResourceUsage.MetricsTime)
 
-			usageStatus.Code = api.Success
 			return nil
 		}