OFF_T ret = do_lseek(map->fd, read_start, SEEK_SET);
if (ret != read_start) {
rsyserr(FERROR, errno, "lseek returned %s, not %s",
OFF_T ret = do_lseek(map->fd, read_start, SEEK_SET);
if (ret != read_start) {
rsyserr(FERROR, errno, "lseek returned %s, not %s",