newConcurrent := concurrent + (concurrent+1)/2
		autoTunedCapacityNeeded := uint64(newConcurrent * size)
		if capacity < autoTunedCapacityNeeded {
			// Turn-off auto-tuning if next possible concurrency would reach beyond disk capacity.
			return true, false, ""
		}
	}

	return true, autotune, ""
}

// DriveSpeedtestHandler - reports throughput of drives available in the cluster

// For each call, unfreezeServices must be called once.
func unfreezeServices() {
	// We need a lock since we need the 2 atomic values to remain in sync.
	globalServiceFreezeMu.Lock()
	// Close when we reach 0
	globalServiceFreezeCnt--
	if globalServiceFreezeCnt <= 0 {
		// Set to a nil channel.
		var _ch chan struct{}
		if val := globalServiceFreeze.Swap(_ch); val != nil {

	if err != nil {
		return result, err
	}

	// List of disks having all parts as per latest metadata.
	// NOTE: do not pass in latestDisks to diskWithAllParts since
	// the diskWithAllParts needs to reach the drive to ensure
	// validity of the metadata content, we should make sure that
	// we pass in disks as is for it to be verified. Once verified
	// the disksWithAllParts() returns the actual disks that can be