return x.versions[i].header.sortsBefore(x.versions[j].header)
	})
}

// DeleteVersion deletes the version specified by version id.
// returns to the caller which dataDir to delete, also
// indicates if this is the last version.
func (x *xlMetaV2) DeleteVersion(fi FileInfo) (string, error) {
	// This is a situation where versionId is explicitly

		return np, grid.NewRemoteErr(errDiskNotFound)
	}
	volume := p.Volume
	filePath := p.FilePath
	forceDelMarker := p.ForceDelMarker

	opts := DeleteOptions{}
	err := s.getStorage().DeleteVersion(context.Background(), volume, filePath, p.FI, forceDelMarker, opts)
	return np, grid.NewRemoteErr(err)
}

// ReadVersionHandlerWS read metadata of versionID

			}
			if err != errFileVersionNotFound {
				t.Fatalf("Version %s should not exist, but returned: %#v", versions[i], fi)
			}
		}
	}

	// Delete version 0...
	checkVerExist(t)
	err = xl.DeleteVersion(ctx, volume, object, FileInfo{Name: object, Volume: volume, VersionID: versions[0]}, false, DeleteOptions{})
	if err != nil {
		t.Fatal(err)
	}
	deleted[0] = true
	checkVerExist(t)