linux-kernel - [PATCH 3.4 35/65] nfs: increase size of EXCHANGE

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Date:	Tue, 20 Oct 2015 08:47:45 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Jeff Layton <jlayton@...chiereds.net>,
	Jeff Layton <jeff.layton@...marydata.com>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 35/65] nfs: increase size of EXCHANGE_ID name string buffer

From: Jeff Layton <jlayton@...chiereds.net>

3.4.110-rc1 review patch.  If anyone has any objections, please let me know.

------------------


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@...marydata.com>
Signed-off-by: Jeff Layton <jeff.layton@...marydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@...wei.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 7ba3551..845b402 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1061,7 +1061,7 @@ struct nfstime4 {
 };
 
 #ifdef CONFIG_NFS_V4_1
-#define NFS4_EXCHANGE_ID_LEN	(48)
+#define NFS4_EXCHANGE_ID_LEN	(127)
 struct nfs41_exchange_id_args {
 	struct nfs_client		*client;
 	nfs4_verifier			*verifier;
-- 
1.9.1

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