From 958ca177507d6b7d30e05a16f3fae4e661d56f07 Mon Sep 17 00:00:00 2001
From: Ben Walker <benjamin.walker@intel.com>
Date: Thu, 7 Apr 2022 13:56:16 -0700
Subject: [PATCH] spdk_dd: Correctly allocate enough queue depth for both input
 and output

When using io_uring, both input and output operations can be outstanding
at the same time. Ensure there is enough queue depth.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: Ibd8a652c1be32e020a281529b50576c62ff12a98
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12201
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
---
 app/spdk_dd/spdk_dd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/spdk_dd/spdk_dd.c b/app/spdk_dd/spdk_dd.c
index 53b985dd7..d3e6ea1ef 100644
--- a/app/spdk_dd/spdk_dd.c
+++ b/app/spdk_dd/spdk_dd.c
@@ -857,7 +857,7 @@ dd_run(void *arg1)
 #ifdef SPDK_CONFIG_URING
 		if (g_opts.aio == false) {
 			g_job.u.uring.poller = spdk_poller_register(dd_uring_poll, NULL, 0);
-			io_uring_queue_init(g_opts.queue_depth, &g_job.u.uring.ring, 0);
+			io_uring_queue_init(g_opts.queue_depth * 2, &g_job.u.uring.ring, 0);
 			g_job.u.uring.active = true;
 		} else
 #endif