ReplicationStatusInternal:  o.ReplicationStatusInternal,
		VersionPurgeStatusInternal: o.VersionPurgeStatusInternal,
	}
	cinfo.UserDefined = make(map[string]string, len(o.UserDefined))
	for k, v := range o.UserDefined {
		cinfo.UserDefined[k] = v
	}
	return cinfo
}

func (o ObjectInfo) tierStats() tierStats {
	ts := tierStats{
		TotalSize:   uint64(o.Size),
		NumVersions: 1,
	}

		for i, object := range batch {
			if kind, ok := crypto.IsEncrypted(object.UserDefined); ok && kind == crypto.S3 && !crypto.IsMultiPart(object.UserDefined) {
				ETag, err := etag.Parse(object.ETag)
				if err != nil {
					continue
				}
				if ETag.IsEncrypted() {
					SSES3SinglePartObjects[i] = true
					metadata = append(metadata, object.UserDefined)
					buckets = append(buckets, object.Bucket)

					return
				}
			}
		case "UserDefined":
			var zb0003 uint32
			zb0003, bts, err = msgp.ReadMapHeaderBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "UserDefined")
				return
			}
			if z.UserDefined == nil {
				z.UserDefined = make(map[string]string, zb0003)
			} else if len(z.UserDefined) > 0 {
				for key := range z.UserDefined {
					delete(z.UserDefined, key)
				}

		newEvent.S3.Object.Size = args.Object.Size
		newEvent.S3.Object.ContentType = args.Object.ContentType
		newEvent.S3.Object.UserMetadata = make(map[string]string, len(args.Object.UserDefined))
		for k, v := range args.Object.UserDefined {
			if stringsHasPrefixFold(strings.ToLower(k), ReservedMetadataPrefixLower) {
				continue
			}
			newEvent.S3.Object.UserMetadata[k] = v
		}
	}

	return newEvent
}

				if err != nil || (err == nil && !ondiskTimestamp.After(srcTimestamp)) {
					srcInfo.UserDefined[ReservedMetadataPrefixLower+TaggingTimestamp] = srcTimestamp.UTC().Format(time.RFC3339Nano)
					srcInfo.UserDefined[xhttp.AmzObjectTagging] = objTags
				}
			}
		} else {
			srcInfo.UserDefined[xhttp.AmzObjectTagging] = objTags
			srcInfo.UserDefined[ReservedMetadataPrefixLower+TaggingTimestamp] = UTCNow().Format(time.RFC3339Nano)
		}

	_, isEncrypted := crypto.IsEncrypted(mi.UserDefined)
	_, replicationStatus := mi.UserDefined[xhttp.AmzBucketReplicationStatus]
	_, sourceReplReq := r.Header[xhttp.MinIOSourceReplicationRequest]
	var objectEncryptionKey crypto.ObjectKey
	if isEncrypted {
		if !crypto.SSEC.IsRequested(r.Header) && crypto.SSEC.IsEncrypted(mi.UserDefined) && !replicationStatus {

	if userDefined["content-type"] == "" {
		userDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
	}

	// if storageClass is standard no need to save it as part of metadata.
	if userDefined[xhttp.AmzStorageClass] == storageclass.STANDARD {
		delete(userDefined, xhttp.AmzStorageClass)
	}

	// Fill all the necessary metadata.
	// Update `xl.meta` content on each disks.

			return nil, err
		}
	}

	userDefined := cloneMSS(opts.UserDefined)
	if opts.PreserveETag != "" {
		userDefined["etag"] = opts.PreserveETag
	}
	onlineDisks := er.getDisks()

	// Get parity and data drive count based on storage class metadata
	parityDrives := globalStorageClass.GetParityForSC(userDefined[xhttp.AmzStorageClass])
	if parityDrives < 0 {

	srcBucket := r.Bucket
	srcObject := objInfo.Name

	if objInfo.DeleteMarker || !objInfo.VersionPurgeStatus.Empty() {
		return nil
	}
	sseKMS := crypto.S3KMS.IsEncrypted(objInfo.UserDefined)
	sseS3 := crypto.S3.IsEncrypted(objInfo.UserDefined)
	if !sseKMS && !sseS3 { // neither sse-s3 nor sse-kms disallowed
		return errInvalidEncryptionParameters
	}

			return ObjectOptions{}, err
		}
		return ObjectOptions{
			ServerSideEncryption: sseKms,
			UserDefined:          metadata,
			MTime:                mtime,
			WantChecksum:         wantCRC,
			PreserveETag:         etag,
		}, nil
	}
	// default case of passing encryption headers and UserDefined metadata to backend
	opts, err = getDefaultOpts(hdr, false, metadata)
	if err != nil {
		return opts, err
	}