nfs41: store minorversion in cb_compound_hdr_arg

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

2 files changed, 8 insertions, 5 deletions

diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 88d2e1135b5a..51b15c2d3a56 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 dd0ef34b5845..91f6f74ffea7 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;
 }