)

var errConfigNotFound = errors.New("config file not found")

func readConfigWithMetadata(ctx context.Context, store objectIO, configFile string, opts ObjectOptions) ([]byte, ObjectInfo, error) {
	r, err := store.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, opts)
	if err != nil {
		if isErrObjectNotFound(err) {
			return nil, ObjectInfo{}, errConfigNotFound
		}

		return nil, ObjectInfo{}, err
	}

	// Object operations.

	// GetObjectNInfo returns a GetObjectReader that satisfies the
	// ReadCloser interface. The Close method runs any cleanup
	// functions, so it must always be called after reading till EOF
	//
	// IMPORTANTLY, when implementations return err != nil, this
	// function MUST NOT return a non-nil ReadCloser.

			if file != "xl.meta" {
				disk.Delete(ctx, bucket, pathJoin(object, file), DeleteOptions{
					Recursive: true,
					Immediate: false,
				})
			}
		}
	}

	gr, err := xl.GetObjectNInfo(ctx, bucket, object, nil, nil, opts)
	if err != nil {
		if err != toObjectErr(errErasureReadQuorum, bucket, object) {

		end := file.Offset + int64(file.CompressedSize64) + 64<<10
		if end > zipObjInfo.Size {
			end = zipObjInfo.Size
		}
		rs := &HTTPRangeSpec{Start: file.Offset, End: end}
		gr, err := objectAPI.GetObjectNInfo(ctx, bucket, zipPath, rs, nil, opts)
		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
		defer gr.Close()
		rc, err = file.Open(gr)
		if err != nil {

}

// --- Object Operations ---

// GetObjectNInfo - returns object info and locked object ReadCloser
func (s *erasureSets) GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, opts ObjectOptions) (gr *GetObjectReader, err error) {
	set := s.getHashedSet(object)
	return set.GetObjectNInfo(ctx, bucket, object, rs, h, opts)
}

			return err
		}, index)
	}

	return metadataArray, g.Wait()
}

// shuffleDisksAndPartsMetadataByIndex this function should be always used by GetObjectNInfo()
// and CompleteMultipartUpload code path, it is not meant to be used with PutObject,
// NewMultipartUpload metadata shuffling.

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	ctx = lkctx.Context()
	defer lock.RUnlock(lkctx)

	getObjectNInfo := objectAPI.GetObjectNInfo

	gopts := opts
	gopts.NoLock = true // We already have a lock, we can live with it.
	objInfo, err := getObjectInfo(ctx, bucket, object, gopts)
	if err != nil {

	}

	dstOpts, err = copyDstOpts(ctx, r, dstBucket, dstObject, nil)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	getObjectNInfo := objectAPI.GetObjectNInfo

	// Get request range.
	var rs *HTTPRangeSpec
	var parseRangeErr error
	if rangeHeader := r.Header.Get(xhttp.AmzCopySourceRange); rangeHeader != "" {

		ctx, cancel := context.WithTimeout(ctx, timeout)
		defer cancel()

		r, err := store.GetObjectNInfo(ctx, minioMetaBucket, pathJoin(bucketMetaPrefix, name), nil, http.Header{}, ObjectOptions{NoLock: true})
		if err != nil {
			switch err.(type) {
			case ObjectNotFound, BucketNotFound:
				r, err = store.GetObjectNInfo(ctx, dataUsageBucket, name, nil, http.Header{}, ObjectOptions{NoLock: true})
				if err != nil {

		Compress: *r.Source.Snowball.Compress,
		SkipErrs: *r.Source.Snowball.SkipErrs,
	}

	go func() {
		defer xioutil.SafeClose(input)

		for _, entry := range entries {
			gr, err := objAPI.GetObjectNInfo(ctx, r.Source.Bucket,
				entry.Name, nil, nil, ObjectOptions{
					VersionID: entry.VersionID,
				})
			if err != nil {
				batchLogIf(ctx, err)
				continue
			}

			if prefix != "" {