From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 11 Sep 2020 14:52:51 +0000 (-0600)
Subject: engines/io_uring: mark as not compatible with io_submit_mode=offload
X-Git-Tag: fio-3.24~30
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e007b56af0e4967d3931a931d0cf360b4a789be6;p=fio.git

engines/io_uring: mark as not compatible with io_submit_mode=offload

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

diff --git a/engines/io_uring.c b/engines/io_uring.c
index e2b5e6ee..69f48859 100644
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -724,6 +724,12 @@ static int fio_ioring_init(struct thread_data *td)
 	struct ioring_data *ld;
 	struct thread_options *to = &td->o;
 
+	if (to->io_submit_mode == IO_MODE_OFFLOAD) {
+		log_err("fio: io_submit_mode=offload is not compatible (or "
+			"useful) with io_uring\n");
+		return 1;
+	}
+
 	/* sqthread submission requires registered files */
 	if (o->sqpoll_thread)
 		o->registerfiles = 1;