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>
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 70ef5f4..9bf3aa8 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -89,7 +89,6 @@
/* 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 __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);