From: andros@netapp.com
To: trond.myklebust@netapp.com
Cc: linux-nfs@vger.kernel.org, Andy Adamson <andros@netapp.com>
Subject: [PATCH 1/1] nfs41 do not allocate unused back channel pages
Date: Tue, 26 Jan 2010 20:49:49 -0500 [thread overview]
Message-ID: <1264556989-7409-1-git-send-email-andros@netapp.com> (raw)
From: Andy Adamson <andros@netapp.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
---
net/sunrpc/svc.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 538ca43..c9991e8 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -506,6 +506,12 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size)
{
unsigned int pages, arghi;
+#if defined(CONFIG_NFS_V4_1)
+ /* bc_xprt uses fore channel allocated buffers */
+ if (rqstp->rq_server->bc_xprt)
+ return 1;
+#endif /* CONFIG_NFS_V4_1 */
+
pages = size / PAGE_SIZE + 1; /* extra page as we hold both request and reply.
* We assume one is at most one page
*/
--
1.6.6
next reply other threads:[~2010-01-28 14:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-27 1:49 andros [this message]
2010-01-28 14:09 ` [PATCH 1/1] nfs41 do not allocate unused back channel pages Trond Myklebust
-- strict thread matches above, loose matches on Subject: below --
2010-01-27 2:24 andros
2010-01-26 17:55 andros
2010-01-27 23:44 ` Trond Myklebust
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