## TODO

- Richer progress UI is not present at the moment, this will be addressed in subsequent releases. Currently however a RATE of data transfer and usage increase is displayed via `mc`.

							toUnLock = append(toUnLock, dsync.LockArgs{Resources: []string{k}, UID: lock.UID, Owner: lock.Owner})
						}
					}
					start = time.Now()
					for _, lock := range toUnLock {
						ok, err := l.RUnlock(context.TODO(), lock)
						if err != nil || !ok {
							t.Fatal(err)
						}
					}
					t.Logf("Expire rest took: %v. Left: %d/%d", time.Since(start).Round(time.Millisecond), len(l.lockUID), len(l.lockMap))

// histogram.
//
// `renameLabels` is a map of label names to rename. The keys are the original
// label names and the values are the new label names.
//
// TODO: bucketFilter doc
//
// `extraLabels` are additional labels to add to each metric. They are ordered
// label name and value pairs.
func (m *MetricValues) SetHistogram(name MetricName, hist *prometheus.HistogramVec,

			// No rows were seen by MAX
			return FromNull(), nil
		}
		return e.aggregate.runningMax, nil

	case aggFnSum:
		// TODO: check if returning 0 when no rows were seen
		// by SUM is expected behavior.
		return e.aggregate.runningSum, nil

	default:
		// TODO:
	}

	return nil, errInvalidAggregation

			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.
			totalFileSize = bitrotSumsTotalSize + length
		}
		r.CloseWithError(disk.CreateFile(context.TODO(), origvolume, volume, filePath, totalFileSize, r))
	}()
	return bw
}

// ReadAt() implementation which verifies the bitrot hash available as part of the stream.
type streamingBitrotReader struct {

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package http

import (
	"context"
	"net"
	"syscall"
	"time"
)

// TODO: if possible implement for non-linux platforms, not a priority at the moment
//
//nolint:unused
func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall.RawConn) error {

// Currently it's a no-op.

func (gcs *warmBackendGCS) Put(ctx context.Context, key string, data io.Reader, length int64) (remoteVersionID, error) {
	object := gcs.client.Bucket(gcs.Bucket).Object(gcs.getDest(key))
	// TODO: set storage class
	w := object.NewWriter(ctx)
	if gcs.StorageClass != "" {
		w.ObjectAttrs.StorageClass = gcs.StorageClass
	}
	if _, err := xioutil.Copy(w, data); err != nil {

	outReq.RequestURI = "" // Outgoing request should not have RequestURI

	// Do not pass client Host header unless requested.
	if !f.PassHost {
		outReq.Host = target.Host
	}

	// TODO: only supports HTTP 1.1 for now.
	outReq.Proto = "HTTP/1.1"
	outReq.ProtoMajor = 1
	outReq.ProtoMinor = 1

	f.rewriter.Rewrite(outReq)

	// Disable closeNotify when method GET for http pipelining

		}
		return result

	case sqlFnUTCNow:
		if len(e.SFunc.ArgsList) != 0 {
			result.err = fmt.Errorf("%s() takes no arguments", string(funcName))
		}
		return result
	}

	// TODO: implement other functions
	return qProp{err: errFunctionNotImplemented}

	if validMeta.Deleted {
		// notFoundPartsErrs is ignored since
		// - delete marker does not have any parts
		dataBlocks := (len(errs) + 1) / 2
		return validMeta, notFoundMetaErrs > dataBlocks
	}

	// TODO: It is possible to replay the object via just single
	// xl.meta file, considering quorum number of data-dirs are still
	// present on other drives.
	//
	// However this requires a bit of a rewrite, leave this up for