diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 229057d35fb8..7f79a0a2601e 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -244,9 +244,10 @@ int frwr_query_device(struct rpcrdma_ep *ep, const struct ib_device *device) } ep->re_attr.cap.max_send_wr += RPCRDMA_BACKWARD_WRS; ep->re_attr.cap.max_send_wr += 1; /* for ib_drain_sq */ + ep->re_recv_batch = ep->re_max_requests >> 2; ep->re_attr.cap.max_recv_wr = ep->re_max_requests; ep->re_attr.cap.max_recv_wr += RPCRDMA_BACKWARD_WRS; - ep->re_attr.cap.max_recv_wr += RPCRDMA_MAX_RECV_BATCH; + ep->re_attr.cap.max_recv_wr += ep->re_recv_batch; ep->re_attr.cap.max_recv_wr += 1; /* for ib_drain_rq */ ep->re_max_rdma_segs = diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 90fd83f2d846..aecf9c0a153f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1374,7 +1374,7 @@ void rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, int needed) if (likely(ep->re_receive_count > needed)) goto out; needed -= ep->re_receive_count; - needed += RPCRDMA_MAX_RECV_BATCH; + needed += ep->re_recv_batch; if (atomic_inc_return(&ep->re_receiving) > 1) goto out_dec; diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 37bba72065e8..f53a77472724 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -96,6 +96,7 @@ struct rpcrdma_ep { struct rpcrdma_notification re_rn; int re_receive_count; unsigned int re_max_requests; /* depends on device */ + unsigned int re_recv_batch; unsigned int re_inline_send; /* negotiated */ unsigned int re_inline_recv; /* negotiated */