nfsd4: use common rpc_cred for all callbacks

Callbacks are always made using the machine's identity, so we can use a
single auth_generic credential shared among callbacks to all clients and
let the rpc code take care of the rest.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 70ef5f4abbbc..9bf3aa8c5aea 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -89,7 +89,6 @@ struct nfs4_cb_conn {
         /* RPC client info */
         atomic_t                cb_set;     /* successful CB_NULL call */
         struct rpc_clnt *       cb_client;
-        struct rpc_cred *       cb_cred;
 };
 
 /* Maximum number of slots per session. 160 is useful for long haul TCP */
@@ -362,6 +361,7 @@ extern int nfs4_in_grace(void);
 extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
 extern void put_nfs4_client(struct nfs4_client *clp);
 extern void nfs4_free_stateowner(struct kref *kref);
+extern int set_callback_cred(void);
 extern void nfsd4_probe_callback(struct nfs4_client *clp);
 extern void nfsd4_cb_recall(struct nfs4_delegation *dp);
 extern void nfs4_put_delegation(struct nfs4_delegation *dp);