NFS: Display the chosen RPCSEC_GSS security flavour in /proc/mounts

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

net/sunrpc/auth_null.c

@@ -118,6 +118,8 @@ struct rpc_auth null_auth = {
 	.au_cslack	= 4,
 	.au_rslack	= 2,
 	.au_ops		= &authnull_ops,
+	.au_flavor	= RPC_AUTH_NULL,
+	.au_count	= ATOMIC_INIT(0),
 };
 
 static

net/sunrpc/auth_unix.c

@@ -225,6 +225,7 @@ struct rpc_auth		unix_auth = {
 	.au_cslack	= UNX_WRITESLACK,
 	.au_rslack	= 2,			/* assume AUTH_NULL verf */
 	.au_ops		= &authunix_ops,
+	.au_flavor	= RPC_AUTH_UNIX,
 	.au_count	= ATOMIC_INIT(0),
 	.au_credcache	= &unix_cred_cache,
 };