}

// Returns whole-file bitrot writer.
func newWholeBitrotWriter(disk StorageAPI, volume, filePath string, algo BitrotAlgorithm, shardSize int64) io.WriteCloser {
	return &wholeBitrotWriter{disk, volume, filePath, shardSize, algo.New()}
}

// Implementation to verify bitrot for the whole file.
type wholeBitrotReader struct {
	disk       StorageAPI
	volume     string
	filePath   string
	verifier   *BitrotVerifier // Holds the bit-rot info

func (client *storageRESTClient) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
	return errInvalidArgument
}

// AppendFile - append to a file.
func (client *storageRESTClient) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
	values := make(url.Values)
	values.Set(storageRESTVolume, volume)
	values.Set(storageRESTFilePath, path)

	}

	volume := p.Volume
	filePath := p.FilePath

	buf, err := s.getStorage().ReadAll(context.Background(), volume, filePath)
	return grid.NewBytesWith(buf), grid.NewRemoteErr(err)
}

// ReadXLHandler - read xl.meta for an object at path.
func (s *storageRESTServer) ReadXLHandler(w http.ResponseWriter, r *http.Request) {
	if !s.IsValid(w, r) {
		return
	}

	volume := r.Form.Get(storageRESTVolume)

docker system prune -f || true
docker volume prune -f || true
docker volume rm $(docker volume ls -f dangling=true) || true

## change working directory
cd .github/workflows/mint

## always pull latest
docker pull docker.io/minio/mint:edge

docker-compose -f minio-${MODE}.yaml up -d
sleep 1m

docker system prune -f || true
docker volume prune -f || true
docker volume rm $(docker volume ls -q -f dangling=true) || true

// errVolumeNotEmpty - volume not empty.
var errVolumeNotEmpty = StorageErr("volume is not empty")

// errVolumeAccessDenied - cannot access volume, insufficient permissions.
var errVolumeAccessDenied = StorageErr("volume access denied")

// errFileAccessDenied - cannot access file, insufficient permissions.
var errFileAccessDenied = StorageErr("file access denied")

// errFileCorrupt - file has an unexpected size, or is not readable

          for volume in $(docker volume ls -q | grep minio); do
            docker volume rm ${volume} || true
          done

          docker rmi -f quay.io/minio/minio:${{ steps.vars.outputs.sha_short }}
          docker system prune -f || true
          docker volume prune -f || true

type localLockInstance struct {
	ns     *nsLockMap
	volume string
	paths  []string
	opsID  string
}

// NewNSLock - returns a lock instance for a given volume and
// path. The returned lockInstance object encapsulates the nsLockMap,
// volume, path and operation ID.
func (n *nsLockMap) NewNSLock(lockers func() ([]dsync.NetLocker, string), volume string, paths ...string) RWLocker {
	sort.Strings(paths)

)

func testBitrotReaderWriterAlgo(t *testing.T, bitrotAlgo BitrotAlgorithm) {
	tmpDir := t.TempDir()

	volume := "testvol"
	filePath := "testfile"

	disk, err := newLocalXLStorage(tmpDir)
	if err != nil {
		t.Fatal(err)
	}

	disk.MakeVol(t.Context(), volume)

	writer := newBitrotWriter(disk, "", volume, filePath, 35, bitrotAlgo, 10)

	_, err = writer.Write([]byte("aaaaaaaaaa"))
	if err != nil {
		t.Fatal(err)

	docker-compose -f docker-compose-site1.yaml rm -s -f || true
	docker-compose -f docker-compose-site2.yaml rm -s -f || true
	for volume in $(docker volume ls -q | grep minio); do
		docker volume rm ${volume} || true
	done

	docker system prune -f || true
	docker volume prune -f || true
	docker volume rm $(docker volume ls -q -f dangling=true) || true
}

cleanup

if [ ! -f ./mc ]; then

		-f "buildscripts/upgrade-tests/compose.yml" \
		rm || true

	for volume in $(docker volume ls -q | grep upgrade); do
		docker volume rm ${volume} || true
	done

	docker volume prune -f
	docker system prune -f || true
	docker volume prune -f || true
	docker volume rm $(docker volume ls -q -f dangling=true) || true
}

verify_checksum_after_heal() {
	local sum1