code: func inodeUsage(fsStats *statsapi.FsStats) *resource.Quantity {
  	if fsStats == nil || fsStats.InodesUsed == nil {
  		return &resource.Quantity{Format: resource.DecimalSI}
  	}
  	usage := int64(*fsStats.InodesUsed)
  	return resource.NewQuantity(usage, resource.DecimalSI)
  }
docs: // inodeUsage converts inodes consumed into a resource quantity.