From 6f43ddccb31b5bd2297878f6f3735d45fd4dfce3 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Sun, 8 Jul 2007 16:49:11 -0400
Subject: NFSv4: Improve the debugging of bad sequence id errors...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4state.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'fs/nfs/nfs4state.c')

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 4f78c0d1eab..4fa4054cdf3 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -38,6 +38,7 @@
  * subsequent patch.
  */
 
+#include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/smp_lock.h>
 #include <linux/nfs_fs.h>
@@ -648,6 +649,12 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
 		case 0:
 			break;
 		case -NFS4ERR_BAD_SEQID:
+			if (seqid->sequence->flags & NFS_SEQID_CONFIRMED)
+				return;
+			printk(KERN_WARNING "NFS: v4 server returned a bad"
+					"sequence-id error on an"
+					"unconfirmed sequence %p!\n",
+					seqid->sequence);
 		case -NFS4ERR_STALE_CLIENTID:
 		case -NFS4ERR_STALE_STATEID:
 		case -NFS4ERR_BAD_STATEID:
-- 
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