import "context"

const (
	healthDrivesOfflineCount = "drives_offline_count"
	healthDrivesOnlineCount  = "drives_online_count"
	healthDrivesCount        = "drives_count"
)

var (
	healthDrivesOfflineCountMD = NewGaugeMD(healthDrivesOfflineCount,
		"Count of offline drives in the cluster")
	healthDrivesOnlineCountMD = NewGaugeMD(healthDrivesOnlineCount,
		"Count of online drives in the cluster")

const (
	driveUsedBytes               = "used_bytes"
	driveFreeBytes               = "free_bytes"
	driveTotalBytes              = "total_bytes"
	driveUsedInodes              = "used_inodes"
	driveFreeInodes              = "free_inodes"
	driveTotalInodes             = "total_inodes"
	driveTimeoutErrorsTotal      = "timeout_errors_total"
	driveIOErrorsTotal           = "io_errors_total"
	driveAvailabilityErrorsTotal = "availability_errors_total"

	return nil, fmt.Errorf("%w (offline-disks=%d/%d)", errErasureReadQuorum, disksNotFound, len(p.readers))
}

// Decode reads from readers, reconstructs data if needed and writes the data to the writer.
// A set of preferred drives can be supplied. In that case they will be used and the data reconstructed.

MINIO_STORAGE_CLASS_RRS: Format "EC:<Default_Parity_Reduced_Redundancy_Class>" (e.g. "EC:3"). This sets the number of parity drives for MinIO server in Reduced Redundancy mode. Objects are stored in Reduced Redundancy mode, if Put request specifies RRS...

	erasureSetOverallHealth      = "overall_health"
	erasureSetReadQuorum         = "read_quorum"
	erasureSetWriteQuorum        = "write_quorum"
	erasureSetOnlineDrivesCount  = "online_drives_count"
	erasureSetHealingDrivesCount = "healing_drives_count"
	erasureSetHealth             = "health"
)

const (
	poolIDL = "pool_id"
	setIDL  = "set_id"
)

var (

		loadProcFSMetrics(ctx, p, m)
	}

	if globalIsDistErasure && globalLockServer != nil {
		st := globalLockServer.stats()
		m.Set(processLocksReadTotal, float64(st.Reads))
		m.Set(processLocksWriteTotal, float64(st.Writes))
	}
	return nil

)

func openNsTestOverride(s string) (NetnsCloser, error) {
	return newFakeNs(inc()), nil
}

func openNsTestOverrideWithInodes(inodes ...uint64) func(s string) (NetnsCloser, error) {
	i := 0
	return func(s string) (NetnsCloser, error) {
		inode := inodes[i]
		i++
		return newFakeNsInode(inc(), inode), nil
	}
}

func TestUpsertPodCache(t *testing.T) {
	counter.Store(0)

	select {
	case w.ch <- buf:
		return len(p), nil
	case <-w.ctx.Done():
		return 0, context.Cause(w.ctx)
	}
}

// WriterToChannel will return an io.Writer that writes to the given channel.
// The context both allows returning errors on writes and to ensure that
// this isn't abandoned if the channel is no longer being read from.
func WriterToChannel(ctx context.Context, ch chan<- []byte) io.Writer {

	}
	result := objLayer.Health(ctx, opts)
	w.Header().Set(xhttp.MinIOWriteQuorum, strconv.Itoa(result.WriteQuorum))
	w.Header().Set(xhttp.MinIOStorageClassDefaults, strconv.FormatBool(result.UsingDefaults))
	// return how many drives are being healed if any
	if result.HealingDrives > 0 {
		w.Header().Set(xhttp.MinIOHealingDrives, strconv.Itoa(result.HealingDrives))
	}
	if !result.Healthy {
		// As a maintenance call we are purposefully asked to be taken

		return errLimitExceeded
	}
	// Generate a new UUID for the key.
	key, err := uuid.NewRandom()
	if err != nil {
		return err
	}
	return store.multiWrite(key.String(), item)
}

// multiWrite - writes an item to the directory.
func (store *QueueStore[I]) multiWrite(key string, item []I) error {
	buf := bytebufferpool.Get()
	defer bytebufferpool.Put(buf)