)
}

func getDiffStats(initialStats, currentStats madmin.DiskIOStats) madmin.DiskIOStats {
	return madmin.DiskIOStats{
		ReadIOs:      currentStats.ReadIOs - initialStats.ReadIOs,
		WriteIOs:     currentStats.WriteIOs - initialStats.WriteIOs,
		ReadSectors:  currentStats.ReadSectors - initialStats.ReadSectors,
		WriteSectors: currentStats.WriteSectors - initialStats.WriteSectors,

		if err == nil {
			dm.IOStats = madmin.DiskIOStats{
				ReadIOs:        st.ReadIOs,
				ReadMerges:     st.ReadMerges,
				ReadSectors:    st.ReadSectors,
				ReadTicks:      st.ReadTicks,
				WriteIOs:       st.WriteIOs,
				WriteMerges:    st.WriteMerges,
				WriteSectors:   st.WriteSectors,
				WriteTicks:     st.WriteTicks,
				CurrentIOs:     st.CurrentIOs,
				TotalTicks:     st.TotalTicks,

		rdAwait = float64(diffStats.ReadTicks) / float64(diffStats.ReadIOs)
	}
	updateResourceMetrics(driveSubsystem, readsAwait, rdAwait, labels, false)

	wrAwait := 0.0
	if diffStats.WriteIOs > 0 {
		wrAwait = float64(diffStats.WriteTicks) / float64(diffStats.WriteIOs)
	}
	updateResourceMetrics(driveSubsystem, writesAwait, wrAwait, labels, false)