NFSv4: Reintroduce machine creds

We need to try to ensure that we always use the same credentials whenever
we re-establish the clientid on the server. If not, the server won't
recognise that we're the same client, and so may not allow us to recover
state.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h
index 67658e17a375..fec6899bf355 100644
--- a/include/linux/sunrpc/auth_gss.h
+++ b/include/linux/sunrpc/auth_gss.h
@@ -84,6 +84,7 @@ struct gss_cred {
         enum rpc_gss_svc        gc_service;
         struct gss_cl_ctx       *gc_ctx;
         struct gss_upcall_msg   *gc_upcall;
+        unsigned char           gc_machine_cred : 1;
 };
 
 #endif /* __KERNEL__ */