1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index fc83d3d384d0..9f7b9192cf5e 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -90,6 +90,10 @@ struct nfs_client {
         struct nfs41_server_owner *cl_serverowner;
         struct nfs41_server_scope *cl_serverscope;
         struct nfs41_impl_id    *cl_implid;
+        /* nfs 4.1+ state protection modes: */
+        unsigned long           cl_sp4_flags;
+#define NFS_SP4_MACH_CRED_MINIMAL  1    /* Minimal sp4_mach_cred - state ops
+                                         * must use machine cred */
 #endif /* CONFIG_NFS_V4 */
 
 #ifdef CONFIG_NFS_FSCACHE