SUNRPC: Mark auth and cred operation tables as constant.

[pandora-kernel.git] / include / linux / sunrpc / auth.h

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index be4772e..e606c28 100644 (file)
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -11,7 +11,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/msg_prot.h>
 #include <linux/sunrpc/xdr.h>
@@ -21,9 +20,6 @@
 /* size of the nodename buffer */
 #define UNX_MAXNODENAME        32
 
-/* Maximum size (in bytes) of an rpc credential or verifier */
-#define RPC_MAX_AUTH_SIZE (400)
-
 /* Work around the lack of a VFS credential */
 struct auth_cred {
        uid_t   uid;
@@ -34,9 +30,12 @@ struct auth_cred {
 /*
  * Client user credentials
  */
+struct rpc_auth;
+struct rpc_credops;
 struct rpc_cred {
        struct hlist_node       cr_hash;        /* hash chain */
-       struct rpc_credops *    cr_ops;
+       struct rpc_auth *       cr_auth;
+       const struct rpc_credops *cr_ops;
        unsigned long           cr_expire;      /* when to gc */
        atomic_t                cr_count;       /* ref count */
        unsigned short          cr_flags;       /* various flags */
@@ -64,6 +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
@@ -73,7 +73,7 @@ struct rpc_auth {
        unsigned int            au_verfsize;
 
        unsigned int            au_flags;       /* various flags */
-       struct rpc_authops *    au_ops;         /* operations */
+       const struct rpc_authops *au_ops;               /* operations */
        rpc_authflavor_t        au_flavor;      /* pseudoflavor (note may
                                                 * differ from the flavor in
                                                 * au_ops->au_flavor in gss
@@ -110,40 +110,38 @@ struct rpc_credops {
        void                    (*crdestroy)(struct rpc_cred *);
 
        int                     (*crmatch)(struct auth_cred *, struct rpc_cred *, int);
-       u32 *                   (*crmarshal)(struct rpc_task *, u32 *);
+       __be32 *                (*crmarshal)(struct rpc_task *, __be32 *);
        int                     (*crrefresh)(struct rpc_task *);
-       u32 *                   (*crvalidate)(struct rpc_task *, u32 *);
+       __be32 *                (*crvalidate)(struct rpc_task *, __be32 *);
        int                     (*crwrap_req)(struct rpc_task *, kxdrproc_t,
-                                               void *, u32 *, void *);
+                                               void *, __be32 *, void *);
        int                     (*crunwrap_resp)(struct rpc_task *, kxdrproc_t,
-                                               void *, u32 *, void *);
+                                               void *, __be32 *, void *);
 };
 
-extern struct rpc_authops      authunix_ops;
-extern struct rpc_authops      authnull_ops;
-#ifdef CONFIG_SUNRPC_SECURE
-extern struct rpc_authops      authdes_ops;
-#endif
+extern const struct rpc_authops        authunix_ops;
+extern const struct rpc_authops        authnull_ops;
 
-int                    rpcauth_register(struct rpc_authops *);
-int                    rpcauth_unregister(struct rpc_authops *);
+int                    rpcauth_register(const struct rpc_authops *);
+int                    rpcauth_unregister(const struct rpc_authops *);
 struct rpc_auth *      rpcauth_create(rpc_authflavor_t, struct rpc_clnt *);
-void                   rpcauth_destroy(struct rpc_auth *);
+void                   rpcauth_release(struct rpc_auth *);
 struct rpc_cred *      rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int);
 struct rpc_cred *      rpcauth_lookupcred(struct rpc_auth *, int);
 struct rpc_cred *      rpcauth_bindcred(struct rpc_task *);
 void                   rpcauth_holdcred(struct rpc_task *);
 void                   put_rpccred(struct rpc_cred *);
 void                   rpcauth_unbindcred(struct rpc_task *);
-u32 *                  rpcauth_marshcred(struct rpc_task *, u32 *);
-u32 *                  rpcauth_checkverf(struct rpc_task *, u32 *);
-int                    rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, u32 *data, void *obj);
-int                    rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, u32 *data, void *obj);
+__be32 *               rpcauth_marshcred(struct rpc_task *, __be32 *);
+__be32 *               rpcauth_checkverf(struct rpc_task *, __be32 *);
+int                    rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, __be32 *data, void *obj);
+int                    rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, __be32 *data, void *obj);
 int                    rpcauth_refreshcred(struct rpc_task *);
 void                   rpcauth_invalcred(struct rpc_task *);
 int                    rpcauth_uptodatecred(struct rpc_task *);
 int                    rpcauth_init_credcache(struct rpc_auth *, unsigned long);
-void                   rpcauth_free_credcache(struct rpc_auth *);
+void                   rpcauth_destroy_credcache(struct rpc_auth *);
+void                   rpcauth_clear_credcache(struct rpc_cred_cache *);
 
 static inline
 struct rpc_cred *      get_rpccred(struct rpc_cred *cred)