From: Jens Axboe <axboe@kernel.dk>
Date: Wed, 21 Nov 2018 02:42:19 +0000 (-0700)
Subject: backend: initialize io engine before io_u buffers
X-Git-Tag: fio-3.13~107
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=08dc3bd5061269afa96e72d5e5985a11ea51ed01

backend: initialize io engine before io_u buffers

Otherwise we call io_ops->io_u_init() before the IO scheduler is
setup, which is somewhat backwards.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/backend.c b/backend.c
index d64cc992..2f103b3a 100644
--- a/backend.c
+++ b/backend.c
@@ -1698,6 +1698,9 @@ static void *thread_main(void *data)
 	if (!init_iolog(td))
 		goto err;
 
+	if (td_io_init(td))
+		goto err;
+
 	if (init_io_u(td))
 		goto err;
 
@@ -1728,9 +1731,6 @@ static void *thread_main(void *data)
 	if (!o->create_serialize && setup_files(td))
 		goto err;
 
-	if (td_io_init(td))
-		goto err;
-
 	if (!init_random_map(td))
 		goto err;