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

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index e4eff378dfd4c736cdcf20436124ac147db4afdf..d98e5fe4e8f8040b41a14a153ed40085756c7181 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -499,7 +499,6 @@ int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
                        if (ddir_rw(io_u->ddir))
                                td->ts.short_io_u[io_u->ddir]++;
 
-                       f = io_u->file;
                        if (io_u->offset == f->real_file_size)
                                goto sync_done;
 
@@ -1834,7 +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, "
@@ -1930,11 +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++;
@@ -2347,6 +2342,7 @@ reap:
                                fio_terminate_threads(TERMINATE_ALL);
                                fio_abort = 1;
                                nr_started--;
+                               free(fd);
                                break;
                        }
                        dprint(FD_MUTEX, "done waiting on startup_mutex\n");