zipf/pareto/gauss: add option to disable hashing

[fio.git] / lib / zipf.h

diff --git a/lib/zipf.h b/lib/zipf.h
index a23afe5e88457ffd7b8c7cda83b2d1b9ce6cbb28..af2d0e645c1e462df12190d9669bf5ebf18593d9 100644 (file)
--- a/lib/zipf.h
+++ b/lib/zipf.h
@@ -11,13 +11,15 @@ struct zipf_state {
        double zetan;
        double pareto_pow;
        struct frand_state rand;
-       unsigned long rand_off;
+       uint64_t rand_off;
+       bool disable_hash;
 };
 
-void zipf_init(struct zipf_state *zs, unsigned long nranges, double theta);
+void zipf_init(struct zipf_state *zs, unsigned long nranges, double theta, unsigned int seed);
 unsigned long long zipf_next(struct zipf_state *zs);
 
-void pareto_init(struct zipf_state *zs, unsigned long nranges, double h);
+void pareto_init(struct zipf_state *zs, unsigned long nranges, double h, unsigned int seed);
 unsigned long long pareto_next(struct zipf_state *zs);
+void zipf_disable_hash(struct zipf_state *zs);
 
 #endif