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* [PATCH v3] xprtrdma: Make sure Send CQ is allocated on an existing compvec
@ 2019-02-05 17:21 Nicolas Morey-Chaisemartin
  2019-02-05 17:23 ` Chuck Lever
  0 siblings, 1 reply; 4+ messages in thread
From: Nicolas Morey-Chaisemartin @ 2019-02-05 17:21 UTC (permalink / raw)
  To: linux-rdma; +Cc: linux-nfs, chuck.lever

Make sure the device has at least 2 completion vectors
before allocating to compvec#1

Fixes: a4699f5647f3 (xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode)
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
---
Changes since v2:
 - Split line for checkpatch to be happy

 net/sunrpc/xprtrdma/verbs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index b725911c0f3f..5fe727a7db82 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -546,7 +546,8 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
 
 	sendcq = ib_alloc_cq(ia->ri_device, NULL,
 			     ep->rep_attr.cap.max_send_wr + 1,
-			     1, IB_POLL_WORKQUEUE);
+			     ia->ri_device->num_comp_vectors > 1 ? 1 : 0,
+			     IB_POLL_WORKQUEUE);
 	if (IS_ERR(sendcq)) {
 		rc = PTR_ERR(sendcq);
 		dprintk("RPC:       %s: failed to create send CQ: %i\n",
-- 
2.18.0


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2019-02-05 17:21 [PATCH v3] xprtrdma: Make sure Send CQ is allocated on an existing compvec Nicolas Morey-Chaisemartin
2019-02-05 17:23 ` Chuck Lever
2019-02-12 14:35   ` Nicolas Morey-Chaisemartin
2019-02-12 20:32     ` Schumaker, Anna

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