SUNRPC: Add a backpointer from the struct rpc_cred to the rpc_auth

Cleans up an issue whereby rpcsec_gss uses the rpc_clnt->cl_auth. If we want
to be able to add several rpc_auths to a single rpc_clnt, then this abuse
must go.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 534cdc7be58d..8ef27afeea73 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -30,8 +30,11 @@ struct auth_cred {
 /*
  * Client user credentials
  */
+struct rpc_auth;
+struct rpc_credops;
 struct rpc_cred {
         struct hlist_node       cr_hash;        /* hash chain */
+        struct rpc_auth *       cr_auth;
         struct rpc_credops *    cr_ops;
         unsigned long           cr_expire;      /* when to gc */
         atomic_t                cr_count;       /* ref count */
@@ -60,6 +63,7 @@ struct rpc_cred_cache {
         unsigned long           expire;         /* cache expiry interval */
 };
 
+struct rpc_authops;
 struct rpc_auth {
         unsigned int            au_cslack;      /* call cred size estimate */
                                 /* guess at number of u32's auth adds before