[3.11.y.z extended stable] Patch "nfsd: set timeparms.to_maxval in setup_callback_client" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    nfsd: set timeparms.to_maxval in setup_callback_client

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From b00dddd123625c44f22ded6c79ebf99aace333f1 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton at redhat.com>
Date: Tue, 15 Apr 2014 08:51:48 -0400
Subject: nfsd: set timeparms.to_maxval in setup_callback_client

commit 3758cf7e14b753838fe754ede3862af10b35fdac upstream.

...otherwise the logic in the timeout handling doesn't work correctly.

Spotted-by: Trond Myklebust <trond.myklebust at primarydata.com>
Signed-off-by: Jeff Layton <jlayton at redhat.com>
Signed-off-by: J. Bruce Fields <bfields at redhat.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 fs/nfsd/nfs4callback.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 7f05cd1..3eaa6e3 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -637,9 +637,11 @@ static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc

 static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *conn, struct nfsd4_session *ses)
 {
+	int maxtime = max_cb_time(clp->net);
 	struct rpc_timeout	timeparms = {
-		.to_initval	= max_cb_time(clp->net),
+		.to_initval	= maxtime,
 		.to_retries	= 0,
+		.to_maxval	= maxtime,
 	};
 	struct rpc_create_args args = {
 		.net		= clp->net,
--
1.9.1