st, err := Lstat(filePath)
		if err != nil {
			if osIsNotExist(err) {
				if !skipAccessChecks(volume) {
					// Stat a volume entry.
					if verr := Access(volumeDir); verr != nil {
						if osIsNotExist(verr) {
							resp.Results[i] = checkPartVolumeNotFound
						}
						continue
					}
				}
			}
			if osErrToFileErr(err) == errFileNotFound {