verify: add new experimental mode that requires no meta data

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 1658fb20896e10490161e4b71f3d2c362ede4d53..f020cac38af38e5d2ebb150c059564f023b14b18 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -183,7 +183,8 @@ static int get_next_rand_offset(struct thread_data *td, struct fio_file *f,
         * any stored write metadata, just return a random offset
         */
        if (!td->o.verifysort_nr || !(ddir == DDIR_READ && td->o.do_verify &&
-           td->o.verify != VERIFY_NONE && td_random(td)))
+           td->o.verify != VERIFY_NONE && td_random(td)) ||
+           td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE)
                return get_off_from_method(td, f, ddir, b);
 
        if (!flist_empty(&td->next_rand_list)) {
@@ -544,6 +545,12 @@ static enum fio_ddir get_rw_ddir(struct thread_data *td)
 {
        enum fio_ddir ddir;
 
+       /*
+        * If verify phase started, it's always a READ
+        */
+       if (td->runstate == TD_VERIFYING)
+               return DDIR_READ;
+
        /*
         * see if it's time to fsync
         */
@@ -1418,7 +1425,8 @@ static void io_completed(struct thread_data *td, struct io_u *io_u,
 
                if (td_write(td) && idx == DDIR_WRITE &&
                    td->o.do_verify &&
-                   td->o.verify != VERIFY_NONE)
+                   td->o.verify != VERIFY_NONE &&
+                   !td->o.experimental_verify)
                        log_io_piece(td, io_u);
 
                icd->bytes_done[idx] += bytes;