const (
	xfs  = "XFS"
	ext4 = "EXT4"
)

// WalkDir will traverse a directory and return all entries found.
// On success a sorted meta cache stream will be returned.
// Metadata has data stripped, if any.
// The function tries to quit as fast as the context is canceled to avoid further drive IO
func (s *xlStorage) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) (err error) {

//
// If the current file is sparse and r is an io.ReadSeeker,
// then readFrom uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are all NULs.
// This always reads the last byte to ensure r is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.
// See https://golang.org/issue/22735

				writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(errCode), r.URL)
				atomic.AddUint64(&globalHTTPStats.rejectedRequestsTime, 1)
				return
			}
			// Verify if the request date header is shifted by less than globalMaxSkewTime parameter in the past
			// or in the future, reject request otherwise.
			curTime := UTCNow()
			if curTime.Sub(amzDate) > globalMaxSkewTime || amzDate.Sub(curTime) > globalMaxSkewTime {

     */
    public void stopProactiveHealthChecking() {
        if (healthCheckTask != null) {
            healthCheckTask.cancel(false);
            healthCheckTask = null;
            log.info("Stopped proactive health checking");
        }
    }

    /**
     * Perform proactive health check on all connections
     */
    private void performProactiveHealthCheck() {

     * looking for a way to improve perfomance this is precisly what you
     * would want to do as the jcifs.smb1.netbios.SocketXxxputStream classes
     * arraycopy all data read or written into a new buffer shifted over 4!)
     */

    byte command, flags;
    int headerStart, length, batchLevel, errorCode, flags2, tid, pid, uid, mid, wordCount, byteCount;
    boolean useUnicode, received, extendedSecurity;

	s := NewScanner(strings.NewReader(strings.Repeat("\n", 10000)))
	s.Split(c.split)
	for s.Scan() {
	}
	if s.Err() != nil {
		t.Fatal("after scan:", s.Err())
	}
	if c != 0 {
		t.Fatalf("stopped with %d left to process", c)
	}
}

// Make sure we can read a huge token if a big enough buffer is provided.
func TestHugeBuffer(t *testing.T) {
	text := strings.Repeat("x", 2*MaxScanTokenSize)

	f.CompressedSize64 = uint64(f.CompressedSize)
	f.UncompressedSize64 = uint64(f.UncompressedSize)
	filenameLen := int(b.uint16())
	extraLen := int(b.uint16())
	commentLen := int(b.uint16())
	b = b[4:] // skipped start disk number and internal attributes (2x uint16)
	f.ExternalAttrs = b.uint32()
	f.headerOffset = int64(b.uint32())
	d := make([]byte, filenameLen+extraLen+commentLen)
	if _, err := io.ReadFull(r, d); err != nil {

			if err != nil {
				return err
			}

			for _, volInfo := range volsInfo {
				// StorageAPI can send volume names which are
				// incompatible with buckets - these are
				// skipped, like the meta-bucket.
				if isReservedOrInvalidBucket(volInfo.Name, false) {
					continue
				}

				healBuckets.Compute(volInfo.Name, func(oldValue VolInfo, loaded bool) (newValue VolInfo, del bool) {

     * looking for a way to improve perfomance this is precisly what you
     * would want to do as the jcifs.netbios.SocketXxxputStream classes
     * arraycopy all data read or written into a new buffer shifted over 4!)
     */

    private byte command, flags;
    /**
     * Starting position of the SMB header in the buffer.
     */
    protected int headerStart;
    /**

		adminRouter.Methods(http.MethodPut).Path(adminVersion+"/set-group-status").HandlerFunc(adminMiddleware(adminAPI.SetGroupStatus)).Queries("group", "{group:.*}").Queries("status", "{status:.*}")

		// Export IAM info to zipped file
		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/export-iam").HandlerFunc(adminMiddleware(adminAPI.ExportIAM, noGZFlag))

		// Import IAM info