backend: don't dereference ->io_ops in reap_threads()

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index b1995ef4ff813de82e8e6b2045b78b709ce8e29c..d98e5fe4e8f8040b41a14a153ed40085756c7181 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -1833,7 +1833,7 @@ static void *thread_main(void *data)
         * (Are we not missing other flags that can be ignored ?)
         */
        if ((td->o.size || td->o.io_size) && !ddir_rw_sum(bytes_done) &&
-           !did_some_io &&
+           !did_some_io && !td->o.create_only &&
            !(td_ioengine_flagged(td, FIO_NOIO) ||
              td_ioengine_flagged(td, FIO_DISKLESSIO)))
                log_err("%s: No I/O performed by %s, "
@@ -1929,11 +1929,7 @@ static void reap_threads(unsigned int *nr_running, uint64_t *t_rate,
        for_each_td(td, i) {
                int flags = 0;
 
-               /*
-                * ->io_ops is NULL for a thread that has closed its
-                * io engine
-                */
-               if (td->io_ops && !strcmp(td->io_ops->name, "cpuio"))
+                if (!strcmp(td->o.ioengine, "cpuio"))
                        cputhreads++;
                else
                        realthreads++;