Fix rand_seed mismatches in verify phase

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index 93e66325f08569ec23fee63eb020065191d30616..bf9d066e012abc8a44a938fcbf319a68a81d6d64 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -697,6 +697,13 @@ static uint64_t do_io(struct thread_data *td)
                 */
                if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ &&
                    ((io_u->flags & IO_U_F_VER_LIST) || !td_rw(td))) {
+
+                       if (!td->o.verify_pattern_bytes) {
+                               io_u->rand_seed = __rand(&td->__verify_state);
+                               if (sizeof(int) != sizeof(long *))
+                                       io_u->rand_seed *= __rand(&td->__verify_state);
+                       }
+
                        if (td->o.verify_async)
                                io_u->end_io = verify_io_u_async;
                        else
@@ -707,6 +714,12 @@ static uint64_t do_io(struct thread_data *td)
                else
                        td_set_runstate(td, TD_RUNNING);
 
+               if (td_write(td) && io_u->ddir == DDIR_WRITE &&
+                   td->o.do_verify &&
+                   td->o.verify != VERIFY_NONE &&
+                   !td->o.experimental_verify)
+                       log_io_piece(td, io_u);
+
                ret = td_io_queue(td, io_u);
                switch (ret) {
                case FIO_Q_COMPLETED: