IO verification improvements
[fio.git] / fio.c
diff --git a/fio.c b/fio.c
index 792d44228c694fb95e49f347a8ecb1605cd10e97..b8cba547ac931fcdf7ac0b3af79b7b19a7b8af75 100644 (file)
--- a/fio.c
+++ b/fio.c
@@ -446,6 +446,13 @@ static void do_io(struct thread_data *td)
                        break;
                }
 
+               /*
+                * Add verification end_io handler, if asked to verify
+                * a previously written file.
+                */
+               if (td->o.verify != VERIFY_NONE)
+                       io_u->end_io = verify_io_u;
+
                ret = td_io_queue(td, io_u);
                switch (ret) {
                case FIO_Q_COMPLETED:
@@ -894,7 +901,8 @@ static void *thread_main(void *data)
                if (td->error || td->terminate)
                        break;
 
-               if (td->o.verify == VERIFY_NONE)
+               if (td->o.verify == VERIFY_NONE ||
+                   (td->io_ops->flags & FIO_UNIDIR))
                        continue;
 
                if (clear_io_state(td))