if toAPIError(ctx, err).Code == "NoSuchKey" {
					s3Error = ErrNoSuchKey
				}
			}
		}
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// We do not allow offsetting into extracted files.
	if opts.PartNumber != 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPartNumber), r.URL)
		return
	}

	if r.Header.Get(xhttp.Range) != "" {

		strings.HasPrefix(req.URL.Path, minioReservedBucketPath+SlashSeparator)
}

// Check to allow access to the reserved "bucket" `/minio` for Admin
// API requests.
func isAdminReq(r *http.Request) bool {
	return strings.HasPrefix(r.URL.Path, adminPathPrefix)
}

// Check to allow access to the reserved "bucket" `/minio` for KMS
// API requests.
func isKMSReq(r *http.Request) bool {

	err := d.DecodeElement(&dateStr, &startElement)
	if err != nil {
		return err
	}
	// While AWS documentation mentions that the date specified
	// must be present in ISO 8601 format, in reality they allow
	// users to provide RFC 3339 compliant dates.
	retDate, err := amztime.ISO8601Parse(dateStr)
	if err != nil {
		return ErrInvalidRetentionDate
	}

	*rDate = RetentionDate{retDate}
	return nil
}

			if err != nil {
				return entries, fmt.Errorf("remote listing canceled: %w", err)
			}
			retries = 1
		}

		// All operations are performed without locks, so we must be careful and allow for failures.
		// Read metadata associated with the object from a disk.
		if retries > 0 {
			for _, disk := range er.getDisks() {
				if disk == nil {
					continue
				}
				if !disk.IsOnline() {

				c.lock.Unlock()

				prevCertificate = certificate
			}
		}
	}()

	go c.refreshKMSMasterKeyCache(logger)
	return c, nil
}

// Request KES keep an up-to-date copy of the KMS master key to allow minio to start up even if KMS is down. The
// cached key may still be evicted if the period of this function is longer than that of KES .cache.expiry.unused
func (c *kesClient) refreshKMSMasterKeyCache(logger Logger) {

	// Do not need to undo partial successful operation since those will be cleaned up
	// in 24hrs via multipart cleaner, never rename() back to `.minio.sys/tmp` as there
	// is no way to clean them.

	// We can safely allow RenameFile errors up to len(er.getDisks()) - writeQuorum
	// otherwise return failure. Cleanup successful renames.
	return evalDisks(disks, errs), reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
}

				stopFn := globalBatchJobsMetrics.trace(batchJobMetricReplication, job.ID, attempts)
				success := true
				if err := r.ReplicateFromSource(ctx, api, core, oi, retry); err != nil {
					// object must be deleted concurrently, allow these failures but do not count them
					if isErrVersionNotFound(err) || isErrObjectNotFound(err) {
						return
					}
					stopFn(oi, err)
					batchLogIf(ctx, err)
					success = false
				} else {

// listSem is a semaphore restricting concurrent invocations of 'go list'. 'go
// list' has its own internal concurrency, so we use a hard-coded constant (to
// allow the I/O-intensive phases of 'go list' to overlap) instead of scaling
// all the way up to GOMAXPROCS.
var listSem = make(chan semToken, 2)

type semToken struct{}

	for n > 0 {
		var m madmin.RealtimeMetrics
		mLocal := collectLocalMetrics(types, collectMetricsOpts{
			hosts: hostMap,
			disks: diskMap,
			jobID: jobID,
			depID: dID,
		})
		m.Merge(&mLocal)
		// Allow half the interval for collecting remote...
		cctx, cancel := context.WithTimeout(ctx, interval/2)
		mRemote := collectRemoteMetrics(cctx, types, collectMetricsOpts{
			hosts: hostMap,
			disks: diskMap,
			jobID: jobID,

)

// Returns a hexadecimal representation of time at the
// time response is sent to the client.
func mustGetRequestID(t time.Time) string {
	return fmt.Sprintf("%X", t.UnixNano())
}

// setEventStreamHeaders to allow proxies to avoid buffering proxy responses
func setEventStreamHeaders(w http.ResponseWriter) {
	w.Header().Set(xhttp.ContentType, "text/event-stream")
	w.Header().Set(xhttp.CacheControl, "no-cache") // nginx to turn off buffering