From bdc81134c20a18fcde35f43b7f84efd0d52a280c Mon Sep 17 00:00:00 2001
From: Seth Howell <seth.howell@intel.com>
Date: Wed, 30 Jan 2019 13:40:29 -0700
Subject: [PATCH] nvmf: use io unit size in transport buffer pools

When this structure was brought up to the generic layer, the tcp
transport was using max_io_size and the rdma transport was using
io_unit_size. In the interest of conserving memory, we should use
io_unit_size instead of max_io_size.

Change-Id: I2633306fcbfd8c3d557445959c745cb2d9a0999e
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442778
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 lib/nvmf/transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/nvmf/transport.c b/lib/nvmf/transport.c
index 8535d8389..7c8e193fa 100644
--- a/lib/nvmf/transport.c
+++ b/lib/nvmf/transport.c
@@ -122,7 +122,7 @@ spdk_nvmf_transport_create(enum spdk_nvme_transport_type type,
 
 	transport->data_buf_pool = spdk_mempool_create(spdk_mempool_name,
 				   opts->num_shared_buffers,
-				   opts->max_io_size + NVMF_DATA_BUFFER_ALIGNMENT,
+				   opts->io_unit_size + NVMF_DATA_BUFFER_ALIGNMENT,
 				   SPDK_MEMPOOL_DEFAULT_CACHE_SIZE,
 				   SPDK_ENV_SOCKET_ID_ANY);