package main

func PrioToClass(prio uint32) uint32 {
	return prio >> IOPRIO_CLASS_SHIFT
}

func PrioToClassdata(prio uint32) uint32 {
	return prio & IOPRIO_PRIO_MASK
}

func ClassAndClassdataToPrio(class uint32, classdata uint32) uint32 {
	return ((class) << IOPRIO_CLASS_SHIFT) | classdata
}

func PrioToClassAndClassdata(prio uint32) (uint32, uint32) {
	return PrioToClass(prio), PrioToClassdata(prio)
}