case "id":
			z.DiskID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DiskID")
				return
			}
		case "v":
			z.Volume, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Volume")
				return
			}
		case "fp":
			z.FilePath, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "FilePath")
				return
			}

		return
	}

	if err := parseForm(r); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	volume := r.Form.Get("volume")
	if len(volume) == 0 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidBucketName), r.URL)
		return
	}
	file := r.Form.Get("file")
	if len(file) == 0 {