From: Chuck Lever <chuck.lever@oracle.com>
To: anna.schumaker@netapp.com
Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: [PATCH 1/4] xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode
Date: Fri, 27 Oct 2017 12:43:54 -0400 [thread overview]
Message-ID: <20171027164354.10826.314.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20171027164014.10826.10151.stgit@manet.1015granger.net>
Lift the Send and LocalInv completion handlers out of soft IRQ mode
to make room for other work. Also, move the Send CQ to a different
CPU than the CPU where the Receive CQ is running, for improved
scalability.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 22128a8..4cfa893 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -558,7 +558,7 @@
sendcq = ib_alloc_cq(ia->ri_device, NULL,
ep->rep_attr.cap.max_send_wr + 1,
- 0, IB_POLL_SOFTIRQ);
+ 1, IB_POLL_WORKQUEUE);
if (IS_ERR(sendcq)) {
rc = PTR_ERR(sendcq);
dprintk("RPC: %s: failed to create send CQ: %i\n",
next prev parent reply other threads:[~2017-10-27 16:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-27 16:43 [PATCH 0/4] Last NFS/RDMA client patches for v4.15 Chuck Lever
2017-10-27 16:43 ` Chuck Lever [this message]
2017-10-28 7:32 ` [PATCH 1/4] xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode Devesh Sharma
2017-10-27 16:44 ` [PATCH 2/4] rpcrdma: Remove C structure definitions of XDR data items Chuck Lever
2017-10-28 7:38 ` Devesh Sharma
2017-10-29 17:28 ` Chuck Lever
2017-10-30 3:56 ` Devesh Sharma
2017-10-27 16:44 ` [PATCH 3/4] xprtrdma: Remove include for linux/prefetch.h Chuck Lever
2017-10-28 7:36 ` Devesh Sharma
2017-10-27 16:44 ` [PATCH 4/4] xprtrdma: Update copyright notices Chuck Lever
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