5 unsigned int s1, s2, s3;
8 extern struct frand_state __fio_rand_state;
10 static inline unsigned int __rand(struct frand_state *state)
12 #define TAUSWORTHE(s,a,b,c,d) ((s&c)<<d) ^ (((s <<a) ^ s)>>b)
14 state->s1 = TAUSWORTHE(state->s1, 13, 19, 4294967294UL, 12);
15 state->s2 = TAUSWORTHE(state->s2, 2, 25, 4294967288UL, 4);
16 state->s3 = TAUSWORTHE(state->s3, 3, 11, 4294967280UL, 17);
18 return (state->s1 ^ state->s2 ^ state->s3);
21 extern void init_rand(struct frand_state *);
22 extern void __fill_random_buf(void *buf, unsigned int len, unsigned long seed);
23 extern unsigned long fill_random_buf(void *buf, unsigned int len);