}

// DeleteVersionHandler delete updated metadata.
func (s *storageRESTServer) DeleteVersionHandler(p *DeleteVersionHandlerParams) (np grid.NoPayload, gerr *grid.RemoteErr) {
	if !s.checkID(p.DiskID) {
		return np, grid.NewRemoteErr(errDiskNotFound)
	}
	volume := p.Volume
	filePath := p.FilePath
	forceDelMarker := p.ForceDelMarker

		return errFileNotFound
	}

	// Validate file path length, before reading.
	filePath := pathJoin(volumeDir, path)
	if err = checkPathLength(filePath); err != nil {
		return err
	}

	srcFilePath := pathJoin(filePath, xlStorageFormatFileV1)
	dstFilePath := pathJoin(filePath, xlStorageFormatFile)

	// Renaming xl.json to xl.meta should be fully synced to disk.
	defer func() {

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)
	}

		if err := os.WriteFile(filepath.Join(dir, name1), []byte{}, os.ModePerm); err != nil {
			// For cleanup, its required to add these entries into test results.
			testResults = append(testResults, result{dir, entries})
			t.Fatalf("Unable to create a file, %s", err)
		}
		// Symlink will not be added to entries.
		if err := os.Symlink(filepath.Join(dir, name1), filepath.Join(dir, name2)); err != nil {

    assertOnPath(content) {
      FileInputStream(filePath.toFile()).use { fis ->
        fn(fis.fd)
      }
    }

  private inline fun <T> assertOnPath(
    content: String? = null,
    fn: (okio.Path) -> T,
  ): T {
    FileSystem.SYSTEM.write(filePath) {
      if (content != null) {
        writeUtf8(content)
      }
    }

    return fn(filePath)
  }

func newBitrotWriter(disk StorageAPI, origvolume, volume, filePath string, length int64, algo BitrotAlgorithm, shardSize int64) io.Writer {
	if algo == HighwayHash256S {
		return newStreamingBitrotWriter(disk, origvolume, volume, filePath, length, algo, shardSize)
	}
	return newWholeBitrotWriter(disk, volume, filePath, algo, shardSize)
}

				info:  object,
				isDir: isDir,
			})
		}

		return listerAt(files), nil

	case "Stat":
		if r.Filepath == SlashSeparator {
			return listerAt{&minioFileInfo{
				p:     r.Filepath,
				isDir: true,
			}}, nil
		}

		bucket, object := path2BucketObject(r.Filepath)
		if bucket == "" {
			return nil, errors.New("bucket name cannot be empty")
		}

		if object == "" {

func newStreamingBitrotReader(disk StorageAPI, data []byte, volume, filePath string, tillOffset int64, algo BitrotAlgorithm, shardSize int64) *streamingBitrotReader {
	h := algo.New()
	return &streamingBitrotReader{
		disk:       disk,
		data:       data,
		volume:     volume,
		filePath:   filePath,
		tillOffset: ceilFrac(tillOffset, shardSize)*int64(h.Size()) + tillOffset,
		h:          h,

        String filePath = directoryPath;
        if (!filePath.endsWith("/")) {
            filePath += "/";
        }
        filePath += fileInfo.getName();

        // Ensure proper SMB URL format
        if (!filePath.startsWith("smb://")) {
            if (filePath.startsWith("/")) {
                filePath = "smb://localhost" + filePath;
            } else {

import (
	"bufio"
	"io"
	"net"
	"path/filepath"
	"strings"
	"sync"
	"testing"
)

// TestCopyUnixpacket tests that we can use bufio when copying
// across a unixpacket socket. This used to fail due to an unnecessary
// empty Write call that was interpreted as an EOF.
func TestCopyUnixpacket(t *testing.T) {
	tmpDir := t.TempDir()
	socket := filepath.Join(tmpDir, "unixsock")

	// Start a unixpacket server.