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From: Kinglong Mee <kinglongmee@gmail.com>
To: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
	kinglongmee@gmail.com
Subject: [PATCH 6/8] NFS: Fix bad defines of callback response maxsize
Date: Thu, 24 Sep 2015 20:57:58 +0800	[thread overview]
Message-ID: <5603F356.8090806@gmail.com> (raw)
In-Reply-To: <5603F269.9060102@gmail.com>

As CB_OP_TAGLEN_MAXSZ, all XXX_MAXSZ should be defined as bit.
Each operation should not cantains CB_OP_TAGLEN_MAXSZ.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
 fs/nfs/callback_xdr.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 09aeb9a..9f0f0f6 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -18,19 +18,21 @@
 #include "internal.h"
 #include "nfs4session.h"
 
-#define CB_OP_TAGLEN_MAXSZ	(512)
-#define CB_OP_HDR_RES_MAXSZ	(2 + CB_OP_TAGLEN_MAXSZ)
-#define CB_OP_GETATTR_BITMAP_MAXSZ	(4)
-#define CB_OP_GETATTR_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ + \
-				CB_OP_GETATTR_BITMAP_MAXSZ + \
-				2 + 2 + 3 + 3)
-#define CB_OP_RECALL_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
+#define CB_OP_TAGLEN_MAXSZ		(512)
+#define CB_OP_HDR_RES_MAXSZ		(2 * 4) // opcode, status
+#define CB_OP_GETATTR_BITMAP_MAXSZ	(4 * 4) // bitmap length, 3 bitmaps
+#define CB_OP_GETATTR_RES_MAXSZ		(CB_OP_HDR_RES_MAXSZ + \
+					 CB_OP_GETATTR_BITMAP_MAXSZ + \
+					 /* change, size, ctime, mtime */\
+					 (2 + 2 + 3 + 3) * 4)
+#define CB_OP_RECALL_RES_MAXSZ		(CB_OP_HDR_RES_MAXSZ)
 
 #if defined(CONFIG_NFS_V4_1)
 #define CB_OP_LAYOUTRECALL_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
 #define CB_OP_DEVICENOTIFY_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
 #define CB_OP_SEQUENCE_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ + \
-					4 + 1 + 3)
+					 NFS4_MAX_SESSIONID_LEN + \
+					 (1 + 3) * 4) // seqid, 3 slotids
 #define CB_OP_RECALLANY_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
 #define CB_OP_RECALLSLOT_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
 #endif /* CONFIG_NFS_V4_1 */
-- 
2.5.0


  parent reply	other threads:[~2015-09-24 12:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-24 12:54 [PATCH 0/8] Some cleanups and bugfixes for nfs client callback Kinglong Mee
2015-09-24 12:55 ` [PATCH 1/8] NFS: Get rid of the unneeded addr stored in callback arguments Kinglong Mee
2015-09-24 12:55 ` [PATCH 2/8] NFS: Remove the left global variable nfs_callback_tcpport Kinglong Mee
2015-09-24 12:56 ` [PATCH 3/8] NFS: Remove the left function defines in callback.h Kinglong Mee
2015-09-24 12:57 ` [PATCH 4/8] NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY Kinglong Mee
2015-09-24 12:57 ` [PATCH 5/8] NFS: Use NFS4_MAX_SESSIONID_LEN directly for decode/encode sessionid Kinglong Mee
2015-09-24 12:57 ` Kinglong Mee [this message]
2015-09-24 12:58 ` [PATCH 7/8] NFS: Fix bad checking of max taglen in callback request Kinglong Mee
2015-09-24 12:58 ` [PATCH 8/8] NFS: Return directly if encode_sessionid fail Kinglong Mee

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