From 3bce3519166fb026c99b73cca7ecb23d50a0dd60 Mon Sep 17 00:00:00 2001
From: GangCao <gang.cao@intel.com>
Date: Tue, 20 Mar 2018 03:49:53 -0400
Subject: [PATCH] iscsi: enable per-core cache for PDU data-out pool

With the preferred per core operation for the lockless
consideration, having some per core cache instead of
the shared gloal cache will help the performance.

Change-Id: Ib3cfaac5bad7062b15643d5b151d4c7c6051ddf1
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/404533
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/iscsi/iscsi_subsystem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/iscsi/iscsi_subsystem.c b/lib/iscsi/iscsi_subsystem.c
index 880a8f40b..3b9710560 100644
--- a/lib/iscsi/iscsi_subsystem.c
+++ b/lib/iscsi/iscsi_subsystem.c
@@ -369,7 +369,7 @@ static int spdk_iscsi_initialize_pdu_pool(void)
 
 	iscsi->pdu_data_out_pool = spdk_mempool_create_ctor("PDU_data_out_Pool",
 				   DATA_OUT_POOL_SIZE(iscsi),
-				   dout_mobj_size, 0,
+				   dout_mobj_size, 256,
 				   spdk_env_get_socket_id(spdk_env_get_current_core()),
 				   spdk_mobj_ctor, NULL);
 	if (!iscsi->pdu_data_out_pool) {