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Date: Thu, 01 Jun 2017 16:43:16 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org,
"Anna Schumaker" <Anna.Schumaker@...app.com>,
"Chuck Lever" <chuck.lever@...cle.com>,
"Trond Myklebust" <trond.myklebust@...marydata.com>
Subject: [PATCH 3.16 147/212] NFSv4: Fix the underestimation of delegation
XDR space reservation
3.16.44-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Trond Myklebust <trond.myklebust@...marydata.com>
commit 5a1f6d9e9b803003271b40b67786ff46fa4eda01 upstream.
Account for the "space_limit" field in struct open_write_delegation4.
Fixes: 2cebf82883f4 ("NFSv4: Fix the underestimate of NFSv4 open request size")
Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
Reviewed-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@...app.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
fs/nfs/nfs4xdr.c | 2 ++
1 file changed, 2 insertions(+)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -165,8 +165,10 @@ static int nfs4_stat_to_errno(int);
open_owner_id_maxsz + \
encode_opentype_maxsz + \
encode_claim_null_maxsz)
+#define decode_space_limit_maxsz (3)
#define decode_ace_maxsz (3 + nfs4_owner_maxsz)
#define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
+ decode_space_limit_maxsz + \
decode_ace_maxsz)
#define decode_change_info_maxsz (5)
#define decode_open_maxsz (op_decode_hdr_maxsz + \
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