From: Jens Axboe <axboe@kernel.dk>
Date: Thu, 13 Dec 2018 04:10:25 +0000 (-0700)
Subject: aioring: remove qd > 1 restriction
X-Git-Tag: fio-3.13~78
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=3b6171463bffa7228bd31f9d122399d6726c8091;p=fio.git

aioring: remove qd > 1 restriction

Just add the extra ring entry we need in ->init().

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

diff --git a/engines/aioring.c b/engines/aioring.c
index e434387c..1598cc12 100644
--- a/engines/aioring.c
+++ b/engines/aioring.c
@@ -483,10 +483,8 @@ static int fio_aioring_init(struct thread_data *td)
 {
 	struct aioring_data *ld;
 
-	if (td->o.iodepth <= 1) {
-		printf("aio-ring: needs a minimum QD of 2\n");
-		return 1;
-	}
+	/* ring needs an extra entry, add one to achieve QD set */
+	td->o.iodepth++;
 
 	ld = calloc(1, sizeof(*ld));