unsigned int spin;
};
-int lfsr_next(struct fio_lfsr *fl, uint64_t *off, uint64_t);
+int lfsr_next(struct fio_lfsr *fl, uint64_t *off);
int lfsr_init(struct fio_lfsr *fl, uint64_t size,
unsigned long seed, unsigned int spin);
int lfsr_reset(struct fio_lfsr *fl, unsigned long seed);