1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 04ebc24db348..b68c11a2d6dd 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -66,7 +66,12 @@ struct rpc_cred_cache {
 
 struct rpc_auth {
         unsigned int            au_cslack;      /* call cred size estimate */
-        unsigned int            au_rslack;      /* reply verf size guess */
+                                /* guess at number of u32's auth adds before
+                                 * reply data; normally the verifier size: */
+        unsigned int            au_rslack;
+                                /* for gss, used to calculate au_rslack: */
+        unsigned int            au_verfsize;
+
         unsigned int            au_flags;       /* various flags */
         struct rpc_authops *    au_ops;         /* operations */
         rpc_authflavor_t        au_flavor;      /* pseudoflavor (note may