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| author | Chuck Lever <chuck.lever@oracle.com> | 2024-02-04 18:16:37 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2024-03-01 09:12:25 -0500 |
| commit | e67792cc96ef8e98364f509a25a6392a7c962f90 (patch) | |
| tree | ae4a07c353f2a9609f18bab5cf9d67a64c8f1b49 /net/sunrpc | |
| parent | c8004c1ca442d99a7afdcc4238c7e6eeb30c214b (diff) | |
| download | linux-e67792cc96ef8e98364f509a25a6392a7c962f90.tar.gz linux-e67792cc96ef8e98364f509a25a6392a7c962f90.tar.bz2 linux-e67792cc96ef8e98364f509a25a6392a7c962f90.zip | |
svcrdma: Reserve an extra WQE for ib_drain_rq()
Do as other ULPs already do: ensure there is an extra Receive WQE
reserved for the tear-down drain WR. I haven't heard reports of
problems but it can't hurt.
Note that rq_depth is used to compute the Send Queue depth as well,
so this fix should affect both the SQ and RQ.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_transport.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 4f27325ace4a..4a038c7e86f9 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -415,7 +415,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt) if (newxprt->sc_max_send_sges > dev->attrs.max_send_sge) newxprt->sc_max_send_sges = dev->attrs.max_send_sge; rq_depth = newxprt->sc_max_requests + newxprt->sc_max_bc_requests + - newxprt->sc_recv_batch; + newxprt->sc_recv_batch + 1 /* drain */; if (rq_depth > dev->attrs.max_qp_wr) { rq_depth = dev->attrs.max_qp_wr; newxprt->sc_recv_batch = 1; |