+ frand_copy(&td->dedupe_working_set_states[0], &dedupe_working_set_state);
+ pages_per_seed = max(td->num_unique_pages / thread_number, 1ull);
+ for (i = 1; i < td->num_unique_pages; i++) {
+ /*
+ * When compression is used the seed is advanced multiple times to
+ * generate the buffer. We want to regenerate the same buffer when
+ * deduping against this page
+ */
+ for (j = 0; j < num_seed_advancements; j++)
+ __get_next_seed(&dedupe_working_set_state);
+
+ /*
+ * When global dedup is used, we rotate the seeds to allow
+ * generating same buffers across different jobs. Deduplication buffers
+ * are spread evenly across jobs participating in global dedupe
+ */
+ if (global_dedup && i % pages_per_seed == 0) {
+ td_seed = tnumber_to_td(++tindex % thread_number);
+ frand_copy(&dedupe_working_set_state, &td_seed->buf_state);
+ }
+