delete(fi.Metadata, hash.MinIOMultipartChecksum)
	delete(fi.Metadata, hash.MinIOMultipartChecksumType)

	// Save the final object size and modtime.
	fi.Size = objectSize
	fi.ModTime = opts.MTime
	if opts.MTime.IsZero() {
		fi.ModTime = UTCNow()
	}

	// Save successfully calculated md5sum.
	// for replica, newMultipartUpload would have already sent the replication ETag

		}
	}

	modTime = UTCNow() // We only preserve modTime if dstOpts.MTime is true.
	// in all other cases mtime is latest.

	fi.VersionID = versionID // set any new versionID we might have created
	fi.ModTime = modTime     // set modTime for the new versionID
	if !dstOpts.MTime.IsZero() {
		modTime = dstOpts.MTime
		fi.ModTime = dstOpts.MTime
	}
	// check inline before overwriting metadata.

// object should be returned by ObjectLayer.Walk method
type WalkVersionsSortOrder uint8

const (
	// WalkVersionsSortAsc - Sort in ascending order of ModTime
	WalkVersionsSortAsc WalkVersionsSortOrder = iota
	// WalkVersionsSortDesc - Sort in descending order of ModTime
	WalkVersionsSortDesc
)

// ObjectOptions represents object options for ObjectLayer object operations
type ObjectOptions struct {

			hdrs = r.Header
		}

		opts, err := putOpts(ctx, bucket, object, versionID, hdrs, metadata)
		if err != nil {
			return err
		}

		opts.MTime = info.ModTime()
		if opts.MTime.Unix() <= 0 {
			opts.MTime = UTCNow()
		}
		opts.IndexCB = idxCb

		retentionMode, retentionDate, legalHold, s3err := checkPutObjectLockAllowed(ctx, r, bucket, object, getObjectInfo, retPerms, holdPerms)

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	if r.Header.Get(xMinIOExtract) == "true" && HasSuffix(object, archiveExt) {
		opts := ObjectOptions{VersionID: objInfo.VersionID, MTime: objInfo.ModTime}
		if _, err := updateObjectMetadataWithZipInfo(ctx, objectAPI, bucket, object, opts); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}