// class for objects which have reduced quorum
		// storage class only needs to be honored for
		// Read() requests alone which we already do.
		writeQuorums[i] = len(storageDisks)/2 + 1
	}

	versionsMap := make(map[string]FileInfoVersions, len(objects))
	for i := range objects {
		// Construct the FileInfo data that needs to be preserved on the disk.
		vr := FileInfo{

		// decryption if the file was actually multipart or not.
		encMetadata[ReservedMetadataPrefix+"Encrypted-Multipart"] = ""
	}

	// Extract metadata that needs to be saved.
	metadata, err := extractMetadataFromReq(ctx, r)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

			userDefined[minIOErasureUpgraded] = strconv.Itoa(parityOrig) + "->" + strconv.Itoa(parityDrives)
		}
	}

	dataDrives := len(onlineDisks) - parityDrives

	// we now know the number of blocks this object needs for data and parity.
	// establish the writeQuorum using this data
	writeQuorum := dataDrives
	if dataDrives == parityDrives {
		writeQuorum++
	}

	// Initialize parts metadata

	Versioned            bool      // indicates if the bucket is versioned
	VersionID            string    // Specifies the versionID which needs to be overwritten or read
	MTime                time.Time // Is only set in POST/PUT operations
	Expires              time.Time // Is only used in POST/PUT operations