os-mac.h: implement blockdev_size()

[fio.git] / init.c

diff --git a/init.c b/init.c
index 327a3c5edc6a78e171f9a2cdeb50613f75db2d01..b96350a66f09d64e3d39602f0717801ef92c9c37 100644 (file)
--- a/init.c
+++ b/init.c
@@ -463,7 +463,7 @@ static int exists_and_not_file(const char *filename)
        return 1;
 }
 
-void td_fill_rand_seeds(struct thread_data *td)
+static void td_fill_rand_seeds_os(struct thread_data *td)
 {
        os_random_seed(td->rand_seeds[0], &td->bsrange_state);
        os_random_seed(td->rand_seeds[1], &td->verify_state);
@@ -484,6 +484,35 @@ void td_fill_rand_seeds(struct thread_data *td)
        os_random_seed(td->rand_seeds[4], &td->random_state);
 }
 
+static void td_fill_rand_seeds_internal(struct thread_data *td)
+{
+       init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
+       init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
+       init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
+
+       if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
+               init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
+
+       init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
+       init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
+
+       if (!td_random(td))
+               return;
+
+       if (td->o.rand_repeatable)
+               td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
+
+       init_rand_seed(&td->__random_state, td->rand_seeds[4]);
+}
+
+void td_fill_rand_seeds(struct thread_data *td)
+{
+       if (td->o.use_os_rand)
+               td_fill_rand_seeds_os(td);
+       else
+               td_fill_rand_seeds_internal(td);
+}
+
 /*
  * Initialize the various random states we need (random io, block size ranges,
  * read/write mix, etc).