pnfs: CB_LAYOUTRECALL xdr code

This is the xdr decoding for CB_LAYOUTRECALL.

Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Marc Eshel <eshel@almaden.ibm.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index c1bead2..c1bb157 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -107,6 +107,12 @@
 
 #if defined(CONFIG_NFS_V4_1)
 
+__be32 nfs4_callback_layoutrecall(struct cb_layoutrecallargs *args,
+				  void *dummy, struct cb_process_state *cps)
+{
+	return cpu_to_be32(NFS4ERR_NOTSUPP); /* STUB */
+}
+
 int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation, const nfs4_stateid *stateid)
 {
 	if (delegation == NULL)