From b8f2ef84b079ceb22b42d6d353609db7eb8efa93 Mon Sep 17 00:00:00 2001
From: Benny Halevy <bhalevy@panasas.com>
Date: Wed, 1 Apr 2009 09:23:19 -0400
Subject: nfs41: store minorversion in cb_compound_hdr_arg

Signed-off-by: Benny Halevy <bhalevy@panasas.com>

diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 88d2e11..51b15c2 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -26,6 +26,7 @@ enum nfs4_callback_opnum {
 struct cb_compound_hdr_arg {
 	unsigned int taglen;
 	const char *tag;
+	unsigned int minorversion;
 	unsigned int callback_ident;
 	unsigned nops;
 };
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index dd0ef34..91f6f74 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -132,7 +132,6 @@ static __be32 decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
 static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound_hdr_arg *hdr)
 {
 	__be32 *p;
-	unsigned int minor_version;
 	__be32 status;
 
 	status = decode_string(xdr, &hdr->taglen, &hdr->tag);
@@ -147,15 +146,18 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
 	p = read_buf(xdr, 12);
 	if (unlikely(p == NULL))
 		return htonl(NFS4ERR_RESOURCE);
-	minor_version = ntohl(*p++);
+	hdr->minorversion = ntohl(*p++);
 	/* Check minor version is zero. */
-	if (minor_version != 0) {
-		printk(KERN_WARNING "%s: NFSv4 server callback with illegal minor version %u!\n",
-				__func__, minor_version);
+	if (hdr->minorversion != 0) {
+		printk(KERN_WARNING "%s: NFSv4 server callback with "
+			"illegal minor version %u!\n",
+			__func__, hdr->minorversion);
 		return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
 	}
 	hdr->callback_ident = ntohl(*p++);
 	hdr->nops = ntohl(*p);
+	dprintk("%s: minorversion %d nops %d\n", __func__,
+		hdr->minorversion, hdr->nops);
 	return 0;
 }
 
-- 
cgit v0.10.2