From 908ecf9cc408272a201bd0d007ca2ff10146d148 Mon Sep 17 00:00:00 2001
From: Ziye Yang <optimistyzy@gmail.com>
Date: Tue, 4 Jul 2017 13:21:13 +0800
Subject: [PATCH] fio_plugin: add 1 io_queue_depth

Checked the code and found that our nvme perf example
added 1 io_queue_depth. Since if you set queue_depth=n,
the real entry is n - 1.

Change-Id: Ie204fc061b98e853e9b810eff21f79565c2ad8d0
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/367931
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 examples/nvme/fio_plugin/fio_plugin.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/examples/nvme/fio_plugin/fio_plugin.c b/examples/nvme/fio_plugin/fio_plugin.c
index 58723909b..b1e2f83e6 100644
--- a/examples/nvme/fio_plugin/fio_plugin.c
+++ b/examples/nvme/fio_plugin/fio_plugin.c
@@ -92,6 +92,10 @@ static bool
 probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
 	 struct spdk_nvme_ctrlr_opts *opts)
 {
+	struct thread_data *td = (struct thread_data *)cb_ctx;
+
+	opts->io_queue_size = td->o.iodepth + 1;
+
 	return true;
 }