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 v3 10/21] xprtrdma: Increase maximum number of backchannel requests
Date: Wed, 24 Apr 2019 09:39:42 -0400 [thread overview]
Message-ID: <20190424133942.5077.2520.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20190424133516.5077.67283.stgit@manet.1015granger.net>
Reflects the change introduced in commit 067c46967160 ("NFSv4.1:
Bump the default callback session slot count to 16").
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/xprt_rdma.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index b942c9d..7621e2d 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -103,12 +103,14 @@ struct rpcrdma_ep {
/* Pre-allocate extra Work Requests for handling backward receives
* and sends. This is a fixed value because the Work Queues are
- * allocated when the forward channel is set up.
+ * allocated when the forward channel is set up, long before the
+ * backchannel is provisioned. This value is two times
+ * NFS4_DEF_CB_SLOT_TABLE_SIZE.
*/
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
-#define RPCRDMA_BACKWARD_WRS (8)
+#define RPCRDMA_BACKWARD_WRS (32)
#else
-#define RPCRDMA_BACKWARD_WRS (0)
+#define RPCRDMA_BACKWARD_WRS (0)
#endif
/* Registered buffer -- registered kmalloc'd memory for RDMA SEND/RECV
next prev parent reply other threads:[~2019-04-24 13:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 13:38 [PATCH v3 00/21] NFS/RDMA patches for v5.2 Chuck Lever
2019-04-24 13:38 ` [PATCH v3 01/21] SUNRPC: Avoid digging into the ATOMIC pool Chuck Lever
2019-04-24 13:39 ` [PATCH v3 02/21] xprtrdma: Fix an frwr_map recovery nit Chuck Lever
2019-04-24 13:39 ` [PATCH v3 03/21] xprtrdma: Clean up rpcrdma_create_req() Chuck Lever
2019-04-24 13:39 ` [PATCH v3 04/21] xprtrdma: Clean up rpcrdma_create_rep() and rpcrdma_destroy_rep() Chuck Lever
2019-04-24 13:39 ` [PATCH v3 05/21] xprtrdma: rpcrdma_regbuf alignment Chuck Lever
2019-04-24 13:39 ` [PATCH v3 06/21] xprtrdma: Allocate req's regbufs at xprt create time Chuck Lever
2019-04-24 13:39 ` [PATCH v3 07/21] xprtrdma: De-duplicate "allocate new, free old regbuf" Chuck Lever
2019-04-24 13:39 ` [PATCH v3 08/21] xprtrdma: Clean up regbuf helpers Chuck Lever
2019-04-24 13:39 ` [PATCH v3 09/21] xprtrdma: Backchannel can use GFP_KERNEL allocations Chuck Lever
2019-04-24 13:39 ` Chuck Lever [this message]
2019-04-24 13:39 ` [PATCH v3 11/21] xprtrdma: Trace marshaling failures Chuck Lever
2019-04-24 13:39 ` [PATCH v3 12/21] xprtrdma: Clean up sendctx functions Chuck Lever
2019-04-24 13:39 ` [PATCH v3 13/21] xprtrdma: More Send completion batching Chuck Lever
2019-04-24 13:40 ` [PATCH v3 14/21] xprtrdma: Eliminate rpcrdma_ia::ri_device Chuck Lever
2019-04-24 13:40 ` [PATCH v3 15/21] SUNRPC: Update comments based on recent changes Chuck Lever
2019-04-24 13:40 ` [PATCH v3 16/21] xprtrdma: Remove rpcrdma_create_data_internal::rsize and wsize Chuck Lever
2019-04-24 13:40 ` [PATCH v3 17/21] xprtrdma: Aggregate the inline settings in struct rpcrdma_ep Chuck Lever
2019-04-24 13:40 ` [PATCH v3 18/21] xprtrdma: Eliminate struct rpcrdma_create_data_internal Chuck Lever
2019-04-24 13:40 ` [PATCH v3 19/21] xprtrdma: Remove pr_err() call sites from completion handlers Chuck Lever
2019-04-24 13:40 ` [PATCH v3 20/21] xprtrdma: Update comments that reference ib_drain_qp Chuck Lever
2019-04-24 13:40 ` [PATCH v3 21/21] xprtrdma: Remove stale comment Chuck Lever
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