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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-03-12 02:32:30 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2021-03-22 20:22:13 +0300 |
| commit | c558d47596867ff1082fd7475b63670f63f7f5cf (patch) | |
| tree | 613ba5413d027719ef2e3dffba3c41dbe62755cb /net/sunrpc/xprtrdma/svc_rdma_transport.c | |
| parent | 7b748c30cc046056a24c459de415844a856ea54b (diff) | |
| download | linux-c558d47596867ff1082fd7475b63670f63f7f5cf.tar.xz | |
svcrdma: Maintain a Receive water mark
Post more Receives when the number of pending Receives drops below
a water mark. The batch mechanism is disabled if the underlying
device cannot support a reasonably-sized Receive Queue.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_transport.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_transport.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 046a07da5cf9..e629eacfedfc 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -407,11 +407,14 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt) newxprt->sc_max_req_size = svcrdma_max_req_size; newxprt->sc_max_requests = svcrdma_max_requests; newxprt->sc_max_bc_requests = svcrdma_max_bc_requests; - rq_depth = newxprt->sc_max_requests + newxprt->sc_max_bc_requests; + newxprt->sc_recv_batch = RPCRDMA_MAX_RECV_BATCH; + rq_depth = newxprt->sc_max_requests + newxprt->sc_max_bc_requests + + newxprt->sc_recv_batch; if (rq_depth > dev->attrs.max_qp_wr) { pr_warn("svcrdma: reducing receive depth to %d\n", dev->attrs.max_qp_wr); rq_depth = dev->attrs.max_qp_wr; + newxprt->sc_recv_batch = 1; newxprt->sc_max_requests = rq_depth - 2; newxprt->sc_max_bc_requests = 2; } |