type DeleteOptions struct {
	BaseOptions
	Recursive bool `msg:"r"`
	Immediate bool `msg:"i"`
	UndoWrite bool `msg:"u"`
	// OldDataDir of the previous object
	OldDataDir string `msg:"o,omitempty"` // old data dir used only when to revert a rename()
}

// BaseOptions represents common options for all Storage API calls
type BaseOptions struct{}

				return
			}
		case "o":
			z.OldDataDir, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "OldDataDir")
				return
			}
			zb0001Mask |= 0x1
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	// Clear omitted fields.
	if (zb0001Mask & 0x1) == 0 {
		z.OldDataDir = ""
	}

	return
}

		diskHealthCheckOK(ctx, err)
	}

	// If we have oldDataDir then we must preserve current xl.meta
	// as backup, in-case needing renames().
	if res.OldDataDir != "" {
		if contextCanceled(ctx) {
			return res, ctx.Err()
		}

		// preserve current xl.meta inside the oldDataDir.
		if err = s.writeAll(ctx, dstVolume, pathJoin(dstPath, res.OldDataDir, xlStorageFormatFileBackup), dstBuf, true, skipParent); err != nil {

			resp, err := disks[index].RenameData(ctx, srcBucket, srcEntry, fi, dstBucket, dstEntry, RenameOptions{})
			if err != nil {
				return err
			}
			diskVersions[index] = resp.Sign
			dataDirs[index] = resp.OldDataDir
			return nil
		}, index)
	}

	// Wait for all renames to finish.
	errs := g.Wait()

	err := reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
	if err != nil {

	// Rename the multipart object to final location.
	onlineDisks, versions, oldDataDir, err := renameData(ctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath,
		partsMetadata, bucket, object, writeQuorum)
	if err != nil {
		return oi, toObjectErr(err, bucket, object, uploadID)
	}

	if err = er.commitRenameDataDir(ctx, bucket, object, oldDataDir, onlineDisks, writeQuorum); err != nil {