return w, nil
}

func (s *xlStorage) openFileSync(filePath string, mode int, skipParent string) (f *os.File, err error) {
	return s.openFile(filePath, mode|writeMode, skipParent)
}

func (s *xlStorage) openFile(filePath string, mode int, skipParent string) (f *os.File, err error) {
	if skipParent == "" {
		skipParent = s.drivePath
	}
	// Create top level directories if they don't exist.

	DiskID      string `msg:"id"`
	SrcVolume   string `msg:"sv"`
	SrcFilePath string `msg:"sp"`
	DstVolume   string `msg:"dv"`
	DstFilePath string `msg:"dp"`
	Meta        []byte `msg:"m"`
	SkipParent  string `msg:"kp"`
}

// ReadAllHandlerParams are parameters for ReadAllHandler.
type ReadAllHandlerParams struct {
	DiskID   string `msg:"id"`
	Volume   string `msg:"v"`
	FilePath string `msg:"fp"`
}

			}
		case "m":
			z.Meta, err = dc.ReadBytes(z.Meta)
			if err != nil {
				err = msgp.WrapError(err, "Meta")
				return
			}
		case "kp":
			z.SkipParent, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "SkipParent")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return

// renamePart - renames multipart part to its relevant location under uploadID.
func (er erasureObjects) renamePart(ctx context.Context, disks []StorageAPI, srcBucket, srcEntry, dstBucket, dstEntry string, optsMeta []byte, writeQuorum int, skipParent string) ([]StorageAPI, error) {
	paths := []string{
		dstEntry,
		dstEntry + ".meta",
	}

	// cleanup existing paths first across all drives.
	er.cleanupMultipartPath(ctx, paths...)