[3.16.y-ckt stable] Patch "nfs: increase size of EXCHANGE_ID name string buffer" has been added to staging queue

[Luis Henriques]

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

    nfs: increase size of EXCHANGE_ID name string buffer

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt15.

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

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From a5bedf57e7c68ce020b7cdb7f30e29a6a37e4712 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton at poochiereds.net>
Date: Tue, 9 Jun 2015 19:43:56 -0400
Subject: nfs: increase size of EXCHANGE_ID name string buffer

commit 764ad8ba8cd4c6f836fca9378f8c5121aece0842 upstream.

The current buffer is much too small if you have a relatively long
hostname. Bring it up to the size of the one that SETCLIENTID has.

Reported-by: Michael Skralivetsky <michael.skralivetsky at primarydata.com>
Signed-off-by: Jeff Layton <jeff.layton at primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust at primarydata.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 include/linux/nfs_xdr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 6f2ca8976069..162a86b2c072 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1139,7 +1139,7 @@ struct nfs41_state_protection {
 	struct nfs4_op_map allow;
 };

-#define NFS4_EXCHANGE_ID_LEN	(48)
+#define NFS4_EXCHANGE_ID_LEN	(127)
 struct nfs41_exchange_id_args {
 	struct nfs_client		*client;
 	nfs4_verifier			*verifier;