linux-nfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Chuck Lever <chuck.lever@oracle.com>
To: linux-rdma@vger.kernel.org
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v1 2/4] xprtrdma: mrs_create off-by-one
Date: Mon, 19 Nov 2018 10:45:56 -0500	[thread overview]
Message-ID: <20181119154556.10832.39180.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20181119153707.10832.42881.stgit@manet.1015granger.net>

With certain combinations of krb5i/p and MR size, one extra
segment is needed per RPC.

Fixes: c421ece68f6 ("xprtrdma: Create more MRs at a time")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/frwr_ops.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index fc6378cc..448e063 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -242,7 +242,7 @@
 
 	ia->ri_max_segs = max_t(unsigned int, 1, RPCRDMA_MAX_DATA_SEGS /
 				ia->ri_max_frwr_depth);
-	ia->ri_max_segs += 2;	/* segments for head and tail buffers */
+	ia->ri_max_segs += 3;	/* segments for head and tail buffers */
 	return 0;
 }
 


  parent reply	other threads:[~2018-11-19 15:46 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-19 15:45 [PATCH v1 0/4] NFS/RDMA client for v4.21 (part 1) Chuck Lever
2018-11-19 15:45 ` [PATCH v1 1/4] xprtrdma: Remove support for FMR memory registration Chuck Lever
2018-11-19 16:16   ` Bart Van Assche
2018-11-19 19:09     ` Leon Romanovsky
2018-11-19 20:52       ` Bart Van Assche
2018-11-20  5:37         ` Leon Romanovsky
2018-11-19 22:41     ` Jason Gunthorpe
2018-11-19 22:56       ` Chuck Lever
2018-11-19 23:10         ` Jason Gunthorpe
2018-11-20 15:22       ` Dennis Dalessandro
2018-11-19 15:45 ` Chuck Lever [this message]
2018-11-19 15:46 ` [PATCH v1 3/4] xprtrdma: Reduce max_frwr_depth Chuck Lever
2018-11-19 15:46 ` [PATCH v1 4/4] xprtrdma: Plant XID in on-the-wire RDMA offset (FRWR) Chuck Lever
2018-11-19 17:47   ` Olga Kornievskaia
2018-11-19 17:58     ` Chuck Lever
2018-11-19 18:08       ` Olga Kornievskaia
2018-11-19 18:18         ` Chuck Lever
2018-11-19 18:47           ` Olga Kornievskaia
2018-11-19 18:58             ` Chuck Lever
2018-11-19 21:22               ` Olga Kornievskaia
2018-11-19 21:32                 ` Chuck Lever
2018-11-19 21:42                   ` Mora, Jorge
2018-11-19 22:46                     ` Jason Gunthorpe
2018-11-20  2:45                       ` Tom Talpey
2018-11-20  3:09                         ` Jason Gunthorpe
2018-11-20  3:25                           ` Tom Talpey
2018-11-20  3:32                             ` Jason Gunthorpe
2018-11-20  3:38                               ` Tom Talpey
2018-11-20 18:02   ` Anna Schumaker
2018-11-20 18:07     ` Chuck Lever
     [not found]       ` <94ff7ec712e086bfdd9c217a5f97c293a07151b9.camel@gmail.com>
2018-11-20 21:31         ` 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=20181119154556.10832.39180.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).