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svcrdma: Update max_send_sges after QP is created

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rdma_create_qp() can modify cap.max_send_sges. Copy the new value
to the svcrdma transport so it is bound by the new limit instead
of the requested one.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2024-02-04 18:16:50 -05:00
parent 5485d6ddfc
commit 4c8c0fa0d3
1 changed files with 1 additions and 0 deletions
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1
net/sunrpc/xprtrdma/svc_rdma_transport.c
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@ -467,6 +467,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
trace_svcrdma_qp_err(newxprt, ret);
goto errout;
}
newxprt->sc_max_send_sges = qp_attr.cap.max_send_sge;
newxprt->sc_qp = newxprt->sc_cm_id->qp;
if (!(dev->attrs.device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS))