Creds:     credentials.NewStaticV4(opts.creds.AccessKey, opts.creds.SecretKey, opts.creds.SessionToken),
			Secure:    globalIsTLS,
			Transport: globalRemoteTargetTransport,
			Region:    region,
		})
		if err != nil {
			return res, err
		}
	}

	var mu sync.Mutex
	var uploadTimes madmin.TimeDurations
	wg.Add(opts.concurrency)
	for i := 0; i < opts.concurrency; i++ {
		go func(i int) {

	opts, err = getDefaultOpts(hdr, false, metadata)
	if err != nil {
		return opts, err
	}

	opts.MTime = mtime
	opts.ReplicationSourceLegalholdTimestamp = lholdtimestmp
	opts.ReplicationSourceRetentionTimestamp = retaintimestmp
	opts.ReplicationSourceTaggingTimestamp = taggingtimestmp
	opts.PreserveETag = etag

	return opts, nil
}

	}

	opts, err := putOptsFromReq(ctx, r, bucket, object, metadata)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	if r.Header.Get(xhttp.IfMatch) != "" {
		opts.HasIfMatch = true
	}
	if opts.PreserveETag != "" ||
		r.Header.Get(xhttp.IfMatch) != "" ||
		r.Header.Get(xhttp.IfNoneMatch) != "" {
		opts.CheckPrecondFn = func(oi ObjectInfo) bool {

	// Bucket operations.
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error
	GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (bucketInfo BucketInfo, err error)
	ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error)
	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

	}

	var bytesBuffer1 bytes.Buffer
	var opts ObjectOptions
	_, err = obj.PutObject(context.Background(), "bucket", "object", mustGetPutObjReader(t, readerEOF, length, "", ""), opts)
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	err = GetObject(context.Background(), obj, "bucket", "object", 0, length, &bytesBuffer1, "", opts)
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)

func (d *naughtyDisk) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) (err error) {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.UpdateMetadata(ctx, volume, path, fi, opts)
}

func (d *naughtyDisk) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool, opts DeleteOptions) (err error) {
	if err := d.calcError(); err != nil {
		return err

		// transport is already down.
		return info, errDiskNotFound
	}

	// if 'NoOp' we do not cache the value.
	if opts.NoOp {
		ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
		defer cancel()

		opts.DiskID = *client.diskID.Load()

		infop, err := storageDiskInfoRPC.Call(ctx, client.gridConn, &opts)
		if err != nil {
			return info, toStorageErr(err)
		}
		info = *infop
		if info.Error != "" {

			} else {
				werr = d.WalkDir(ctx, WalkDirOptions{
					Limit:          opts.perDiskLimit,
					Bucket:         opts.bucket,
					BaseDir:        opts.path,
					Recursive:      opts.recursive,
					ReportNotFound: opts.reportNotFound,
					FilterPrefix:   opts.filterPrefix,
					ForwardTo:      opts.forwardTo,
				}, w)
			}

			// fallback only when set.
			for {

	}
	gopts := WarmBackendGetOpts{}

	// get correct offsets for object
	if off >= 0 && length >= 0 {
		gopts.startOffset = off
		gopts.length = length
	}

	timeTierAction := auditTierActions(ctx, oi.TransitionedObject.Tier, length)
	reader, err := tgtClient.Get(ctx, oi.TransitionedObject.Name, remoteVersionID(oi.TransitionedObject.VersionID), gopts)
	if err != nil {
		return nil, err
	}
	closer := func() {

		return
	}

	// Validate pre-conditions if any.
	opts.CheckPrecondFn = func(oi ObjectInfo) bool {
		if _, err := DecryptObjectInfo(&oi, r); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return true
		}

		return checkPreconditions(ctx, w, r, oi, opts)
	}

	zipObjInfo, err := getObjectInfo(ctx, bucket, zipPath, opts)
	if err != nil {