Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

* git://git.linux-nfs.org/pub/linux/nfs-2.6: (122 commits)
  sunrpc: drop BKL around wrap and unwrap
  NFSv4: Make sure unlock is really an unlock when cancelling a lock
  NLM: fix source address of callback to client
  SUNRPC client: add interface for binding to a local address
  SUNRPC server: record the destination address of a request
  SUNRPC: cleanup transport creation argument passing
  NFSv4: Make the NFS state model work with the nosharedcache mount option
  NFS: Error when mounting the same filesystem with different options
  NFS: Add the mount option "nosharecache"
  NFS: Add support for mounting NFSv4 file systems with string options
  NFS: Add final pieces to support in-kernel mount option parsing
  NFS: Introduce generic mount client API
  NFS: Add enums and match tables for mount option parsing
  NFS: Improve debugging output in NFS in-kernel mount client
  NFS: Clean up in-kernel NFS mount
  NFS: Remake nfsroot_mount as a permanent part of NFS client
  SUNRPC: Add a convenient default for the hostname when calling rpc_create()
  SUNRPC: Rename rpcb_getport to be consistent with new rpcb_getport_sync name
  SUNRPC: Rename rpcb_getport_external routine
  SUNRPC: Allow rpcbind requests to be interrupted by a signal.
  ...

1 files changed, 29 insertions, 19 deletions

diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 534cdc7be58d..7a69ca3bebaf 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -16,6 +16,7 @@
 #include <linux/sunrpc/xdr.h>
 
 #include <asm/atomic.h>
+#include <linux/rcupdate.h>
 
 /* size of the nodename buffer */
 #define UNX_MAXNODENAME 32
@@ -30,22 +31,28 @@ 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;
-        unsigned long           cr_expire;      /* when to gc */
-        atomic_t                cr_count;       /* ref count */
-        unsigned short          cr_flags;       /* various flags */
+        struct list_head        cr_lru;         /* lru garbage collection */
+        struct rcu_head         cr_rcu;
+        struct rpc_auth *       cr_auth;
+        const struct rpc_credops *cr_ops;
 #ifdef RPC_DEBUG
         unsigned long           cr_magic;       /* 0x0f4aa4f0 */
 #endif
+        unsigned long           cr_expire;      /* when to gc */
+        unsigned long           cr_flags;       /* various flags */
+        atomic_t                cr_count;       /* ref count */
 
         uid_t                   cr_uid;
 
         /* per-flavor data */
 };
-#define RPCAUTH_CRED_NEW        0x0001
-#define RPCAUTH_CRED_UPTODATE   0x0002
+#define RPCAUTH_CRED_NEW        0
+#define RPCAUTH_CRED_UPTODATE   1
+#define RPCAUTH_CRED_HASHED     2
 
 #define RPCAUTH_CRED_MAGIC      0x0f4aa4f0
 
@@ -56,10 +63,10 @@ struct rpc_cred {
 #define RPC_CREDCACHE_MASK      (RPC_CREDCACHE_NR - 1)
 struct rpc_cred_cache {
         struct hlist_head       hashtable[RPC_CREDCACHE_NR];
-        unsigned long           nextgc;         /* next garbage collection */
-        unsigned long           expire;         /* cache expiry interval */
+        spinlock_t              lock;
 };
 
+struct rpc_authops;
 struct rpc_auth {
         unsigned int            au_cslack;      /* call cred size estimate */
                                 /* guess at number of u32's auth adds before
@@ -69,7 +76,7 @@ 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
@@ -115,17 +122,19 @@ struct rpc_credops {
                                                 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;
+
+void __init             rpc_init_authunix(void);
+void __init             rpcauth_init_module(void);
+void __exit             rpcauth_remove_module(void);
 
-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);
+void                    rpcauth_init_cred(struct rpc_cred *, const struct auth_cred *, struct rpc_auth *, const struct rpc_credops *);
 struct rpc_cred *       rpcauth_lookupcred(struct rpc_auth *, int);
 struct rpc_cred *       rpcauth_bindcred(struct rpc_task *);
 void                    rpcauth_holdcred(struct rpc_task *);
@@ -138,8 +147,9 @@ int			rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp,
 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 *);
+int                     rpcauth_init_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)