All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chuck Lever <chuck.lever@oracle.com>
To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: [PATCH v1 11/19] xprtrdma: Increase maximum number of backchannel request
Date: Wed, 10 Apr 2019 16:07:30 -0400	[thread overview]
Message-ID: <20190410200730.11522.38203.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20190410200446.11522.21145.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 9871cd9..f1bbe36 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


  parent reply	other threads:[~2019-04-10 20:07 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-10 20:06 [PATCH v1 00/19] Proposed NFS/RDMA patches for v5.2 Chuck Lever
2019-04-10 20:06 ` [PATCH v1 01/19] SUNRPC: Avoid digging into the ATOMIC pool Chuck Lever
2019-04-10 20:06 ` [PATCH v1 02/19] xprtrdma: Fix an frwr_map recovery nit Chuck Lever
2019-04-10 20:06 ` [PATCH v1 03/19] xprtrdma: Defer completion only when local invalidation is needed Chuck Lever
2019-04-10 20:06 ` [PATCH v1 04/19] xprtrdma: Clean up rpcrdma_create_req() Chuck Lever
2019-04-10 20:06 ` [PATCH v1 05/19] xprtrdma: Clean up rpcrdma_create_rep() and rpcrdma_destroy_rep() Chuck Lever
2019-04-11 20:47   ` Anna Schumaker
2019-04-10 20:07 ` [PATCH v1 06/19] xprtrdma: rpcrdma_regbuf alignment Chuck Lever
2019-04-10 20:07 ` [PATCH v1 07/19] xprtrdma: Allocate req's regbufs at xprt create time Chuck Lever
2019-04-10 20:07 ` [PATCH v1 08/19] xprtrdma: De-duplicate "allocate new, free old regbuf" Chuck Lever
2019-04-10 20:07 ` [PATCH v1 09/19] xprtrdma: Clean up regbuf helpers Chuck Lever
2019-04-10 20:07 ` [PATCH v1 10/19] xprtrdma: Backchannel can use GFP_KERNEL allocations Chuck Lever
2019-04-10 20:07 ` Chuck Lever [this message]
2019-04-10 20:07 ` [PATCH v1 12/19] xprtrdma: Trace marshaling failures Chuck Lever
2019-04-10 20:07 ` [PATCH v1 13/19] xprtrdma: Clean up sendctx functions Chuck Lever
2019-04-10 20:07 ` [PATCH v1 14/19] xprtrdma: More Send completion batching Chuck Lever
2019-04-10 20:07 ` [PATCH v1 15/19] xprtrdma: Eliminate rpcrdma_ia::ri_device Chuck Lever
2019-04-10 20:07 ` [PATCH v1 16/19] SUNRPC: Update comments based on recent changes Chuck Lever
2019-04-10 20:08 ` [PATCH v1 17/19] xprtrdma: Remove rpcrdma_create_data_internal::rsize and wsize Chuck Lever
2019-04-10 20:08 ` [PATCH v1 18/19] xprtrdma: Aggregate the inline settings in struct rpcrdma_ep Chuck Lever
2019-04-10 20:08 ` [PATCH v1 19/19] xprtrdma: Eliminate struct rpcrdma_create_data_internal Chuck Lever

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190410200730.11522.38203.stgit@manet.1015granger.net \
    --to=chuck.lever@oracle.com \
    --cc=linux-nfs@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.