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xprtrdma: Make sure Send CQ is allocated on an existing compvec 

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

Fixes: a4699f5647 (xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode)
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Nicolas Morey-Chaisemartin 2019-02-05 18:21:02 +01:00 committed by Anna Schumaker
parent 8fc75bed96
commit a4cb5bdb75
1 changed files with 2 additions and 1 deletions
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3
net/sunrpc/xprtrdma/verbs.c
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@ -527,7 +527,8 @@ 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);
goto out1;