From: Changcheng Liu <changcheng.liu@aliyun.com>
Date: Mon, 3 Jun 2019 09:53:37 +0000 (+0800)
Subject: msg/async/rdma: check device_attr->max_srq is not zero
X-Git-Tag: v15.1.0~1781^2~35
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=9c7ba67cc7acd4b183c79a680f5a15aaab9f3530;p=ceph-ci.git

msg/async/rdma: check device_attr->max_srq is not zero

Some rdma devices don't support srq(shared receive queue).
Check hardware attribute if ceph is configured to use srq.

Signed-off-by: Changcheng Liu <changcheng.liu@aliyun.com>
---

diff --git a/src/msg/async/rdma/Infiniband.cc b/src/msg/async/rdma/Infiniband.cc
index 4f7b344367a..80c00685919 100644
--- a/src/msg/async/rdma/Infiniband.cc
+++ b/src/msg/async/rdma/Infiniband.cc
@@ -915,8 +915,10 @@ void Infiniband::init()
   ceph_assert(NetHandler(cct).set_nonblock(device->ctxt->async_fd) == 0);
 
   support_srq = cct->_conf->ms_async_rdma_support_srq;
-  if (support_srq)
+  if (support_srq) {
+    ceph_assert(device->device_attr.max_srq);
     rx_queue_len = device->device_attr.max_srq_wr;
+  }
   else
     rx_queue_len = device->device_attr.max_qp_wr;
   if (rx_queue_len > cct->_conf->ms_async_rdma_receive_queue_len) {