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.
  ...

16 files changed, 96 insertions, 92 deletions

diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 05707e2fccae..e2d1ce36b367 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -39,6 +39,7 @@
 struct nlm_host {
         struct hlist_node       h_hash;         /* doubly linked list */
         struct sockaddr_in      h_addr;         /* peer address */
+        struct sockaddr_in      h_saddr;        /* our address (optional) */
         struct rpc_clnt *       h_rpcclnt;      /* RPC client to talk to peer */
         char *                  h_name;         /* remote hostname */
         u32                     h_version;      /* interface version */
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 7e7f33a38fc0..8726491de154 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -15,6 +15,7 @@
 
 #include <linux/types.h>
 
+#define NFS4_BITMAP_SIZE        2
 #define NFS4_VERIFIER_SIZE      8
 #define NFS4_STATEID_SIZE       16
 #define NFS4_FHSIZE             128
diff --git a/include/linux/nfs4_mount.h b/include/linux/nfs4_mount.h
index 26b4c83f831d..a0dcf6655657 100644
--- a/include/linux/nfs4_mount.h
+++ b/include/linux/nfs4_mount.h
@@ -65,6 +65,7 @@ struct nfs4_mount_data {
 #define NFS4_MOUNT_NOCTO        0x0010  /* 1 */
 #define NFS4_MOUNT_NOAC         0x0020  /* 1 */
 #define NFS4_MOUNT_STRICTLOCK   0x1000  /* 1 */
-#define NFS4_MOUNT_FLAGMASK     0xFFFF
+#define NFS4_MOUNT_UNSHARED     0x8000  /* 1 */
+#define NFS4_MOUNT_FLAGMASK     0x9033
 
 #endif
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0543439a97af..c098ae194f79 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -30,7 +30,9 @@
 #ifdef __KERNEL__
 
 #include <linux/in.h>
+#include <linux/kref.h>
 #include <linux/mm.h>
+#include <linux/namei.h>
 #include <linux/pagemap.h>
 #include <linux/rbtree.h>
 #include <linux/rwsem.h>
@@ -69,9 +71,8 @@ struct nfs_access_entry {
 
 struct nfs4_state;
 struct nfs_open_context {
-        atomic_t count;
-        struct vfsmount *vfsmnt;
-        struct dentry *dentry;
+        struct kref kref;
+        struct path path;
         struct rpc_cred *cred;
         struct nfs4_state *state;
         fl_owner_t lockowner;
@@ -155,13 +156,9 @@ struct nfs_inode {
         /*
          * This is the list of dirty unwritten pages.
          */
-        spinlock_t              req_lock;
-        struct list_head        dirty;
-        struct list_head        commit;
         struct radix_tree_root  nfs_page_tree;
 
-        unsigned int            ndirty,
-                                ncommit,
+        unsigned long           ncommit,
                                 npages;
 
         /* Open contexts for shared mmap writes */
@@ -187,6 +184,7 @@ struct nfs_inode {
 #define NFS_INO_INVALID_ACCESS  0x0008          /* cached access cred invalid */
 #define NFS_INO_INVALID_ACL     0x0010          /* cached acls are invalid */
 #define NFS_INO_REVAL_PAGECACHE 0x0020          /* must revalidate pagecache */
+#define NFS_INO_REVAL_FORCED    0x0040          /* force revalidation ignoring a delegation */
 
 /*
  * Bit offsets in flags field
@@ -496,21 +494,18 @@ static inline void nfs3_forget_cached_acls(struct inode *inode)
 
 /*
  * linux/fs/mount_clnt.c
- * (Used only by nfsroot module)
  */
-extern int  nfsroot_mount(struct sockaddr_in *, char *, struct nfs_fh *,
-                int, int);
+extern int  nfs_mount(struct sockaddr *, size_t, char *, char *,
+                      int, int, struct nfs_fh *);
 
 /*
  * inline functions
  */
 
-static inline loff_t
-nfs_size_to_loff_t(__u64 size)
+static inline loff_t nfs_size_to_loff_t(__u64 size)
 {
-        loff_t maxsz = (((loff_t) ULONG_MAX) << PAGE_CACHE_SHIFT) + PAGE_CACHE_SIZE - 1;
-        if (size > maxsz)
-                return maxsz;
+        if (size > (__u64) OFFSET_MAX - 1)
+                return OFFSET_MAX - 1;
         return (loff_t) size;
 }
 
@@ -557,6 +552,7 @@ extern void * nfs_root_data(void);
 #define NFSDBG_ROOT             0x0080
 #define NFSDBG_CALLBACK         0x0100
 #define NFSDBG_CLIENT           0x0200
+#define NFSDBG_MOUNT            0x0400
 #define NFSDBG_ALL              0xFFFF
 
 #ifdef __KERNEL__
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 52b4378311c8..0cac49bc0955 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -16,7 +16,6 @@ struct nfs_client {
 #define NFS_CS_INITING          1               /* busy initialising */
         int                     cl_nfsversion;  /* NFS protocol version */
         unsigned long           cl_res_state;   /* NFS resources state */
-#define NFS_CS_RPCIOD           0               /* - rpciod started */
 #define NFS_CS_CALLBACK         1               /* - callback started */
 #define NFS_CS_IDMAP            2               /* - idmap started */
 #define NFS_CS_RENEWD           3               /* - renewd started */
@@ -35,7 +34,8 @@ struct nfs_client {
         nfs4_verifier           cl_confirm;
         unsigned long           cl_state;
 
-        u32                     cl_lockowner_id;
+        struct rb_root          cl_openowner_id;
+        struct rb_root          cl_lockowner_id;
 
         /*
          * The following rwsem ensures exclusive access to the server
@@ -44,9 +44,7 @@ struct nfs_client {
         struct rw_semaphore     cl_sem;
 
         struct list_head        cl_delegations;
-        struct list_head        cl_state_owners;
-        struct list_head        cl_unused;
-        int                     cl_nunused;
+        struct rb_root          cl_state_owners;
         spinlock_t              cl_lock;
 
         unsigned long           cl_lease_time;
diff --git a/include/linux/nfs_mount.h b/include/linux/nfs_mount.h
index cc8b9c59acb8..a3ade89a64d2 100644
--- a/include/linux/nfs_mount.h
+++ b/include/linux/nfs_mount.h
@@ -37,7 +37,7 @@ struct nfs_mount_data {
         int             acdirmin;               /* 1 */
         int             acdirmax;               /* 1 */
         struct sockaddr_in addr;                /* 1 */
-        char            hostname[256];          /* 1 */
+        char            hostname[NFS_MAXNAMLEN + 1];            /* 1 */
         int             namlen;                 /* 2 */
         unsigned int    bsize;                  /* 3 */
         struct nfs3_fh  root;                   /* 4 */
@@ -62,6 +62,7 @@ struct nfs_mount_data {
 #define NFS_MOUNT_STRICTLOCK    0x1000  /* reserved for NFSv4 */
 #define NFS_MOUNT_SECFLAVOUR    0x2000  /* 5 */
 #define NFS_MOUNT_NORDIRPLUS    0x4000  /* 5 */
+#define NFS_MOUNT_UNSHARED      0x8000  /* 5 */
 #define NFS_MOUNT_FLAGMASK      0xFFFF
 
 #endif
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index bd193af80162..78e60798d10e 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -16,12 +16,13 @@
 #include <linux/sunrpc/auth.h>
 #include <linux/nfs_xdr.h>
 
-#include <asm/atomic.h>
+#include <linux/kref.h>
 
 /*
  * Valid flags for the radix tree
  */
-#define NFS_PAGE_TAG_WRITEBACK  0
+#define NFS_PAGE_TAG_LOCKED     0
+#define NFS_PAGE_TAG_COMMIT     1
 
 /*
  * Valid flags for a dirty buffer
@@ -33,8 +34,7 @@
 
 struct nfs_inode;
 struct nfs_page {
-        struct list_head        wb_list,        /* Defines state of page: */
-                                *wb_list_head;  /*      read/write/commit */
+        struct list_head        wb_list;        /* Defines state of page: */
         struct page             *wb_page;       /* page to read in/write out */
         struct nfs_open_context *wb_context;    /* File state context info */
         atomic_t                wb_complete;    /* i/os we're waiting for */
@@ -42,7 +42,7 @@ struct nfs_page {
         unsigned int            wb_offset,      /* Offset & ~PAGE_CACHE_MASK */
                                 wb_pgbase,      /* Start of page data */
                                 wb_bytes;       /* Length of request */
-        atomic_t                wb_count;       /* reference count */
+        struct kref             wb_kref;        /* reference count */
         unsigned long           wb_flags;
         struct nfs_writeverf    wb_verf;        /* Commit cookie */
 };
@@ -71,8 +71,8 @@ extern	void nfs_clear_request(struct nfs_page *req);
 extern  void nfs_release_request(struct nfs_page *req);
 
 
-extern  int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
-                          pgoff_t idx_start, unsigned int npages);
+extern  int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *dst,
+                          pgoff_t idx_start, unsigned int npages, int tag);
 extern  void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
                              struct inode *inode,
                              int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),
@@ -84,12 +84,11 @@ extern	void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
 extern  void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
 extern  int nfs_wait_on_request(struct nfs_page *);
 extern  void nfs_unlock_request(struct nfs_page *req);
-extern  int nfs_set_page_writeback_locked(struct nfs_page *req);
-extern  void nfs_clear_page_writeback(struct nfs_page *req);
+extern  void nfs_clear_page_tag_locked(struct nfs_page *req);
 
 
 /*
- * Lock the page of an asynchronous request without incrementing the wb_count
+ * Lock the page of an asynchronous request without getting a new reference
  */
 static inline int
 nfs_lock_request_dontget(struct nfs_page *req)
@@ -98,14 +97,14 @@ nfs_lock_request_dontget(struct nfs_page *req)
 }
 
 /*
- * Lock the page of an asynchronous request
+ * Lock the page of an asynchronous request and take a reference
  */
 static inline int
 nfs_lock_request(struct nfs_page *req)
 {
         if (test_and_set_bit(PG_BUSY, &req->wb_flags))
                 return 0;
-        atomic_inc(&req->wb_count);
+        kref_get(&req->wb_kref);
         return 1;
 }
 
@@ -118,7 +117,6 @@ static inline void
 nfs_list_add_request(struct nfs_page *req, struct list_head *head)
 {
         list_add_tail(&req->wb_list, head);
-        req->wb_list_head = head;
 }
 
 
@@ -132,7 +130,6 @@ nfs_list_remove_request(struct nfs_page *req)
         if (list_empty(&req->wb_list))
                 return;
         list_del_init(&req->wb_list);
-        req->wb_list_head = NULL;
 }
 
 static inline struct nfs_page *
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 10c26ed0db71..38d77681cf27 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -119,7 +119,7 @@ struct nfs_openargs {
         struct nfs_seqid *      seqid;
         int                     open_flags;
         __u64                   clientid;
-        __u32                   id;
+        __u64                   id;
         union {
                 struct iattr *  attrs;    /* UNCHECKED, GUARDED */
                 nfs4_verifier   verifier; /* EXCLUSIVE */
@@ -144,6 +144,7 @@ struct nfs_openres {
         nfs4_stateid            delegation;
         __u32                   do_recall;
         __u64                   maxsize;
+        __u32                   attrset[NFS4_BITMAP_SIZE];
 };
 
 /*
@@ -180,7 +181,7 @@ struct nfs_closeres {
  *   */
 struct nfs_lowner {
         __u64                   clientid;
-        u32                     id;
+        __u64                   id;
 };
 
 struct nfs_lock_args {
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)
diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h
index 2db2fbf34947..67658e17a375 100644
--- a/include/linux/sunrpc/auth_gss.h
+++ b/include/linux/sunrpc/auth_gss.h
@@ -75,6 +75,7 @@ struct gss_cl_ctx {
         struct xdr_netobj       gc_wire_ctx;
         u32                     gc_win;
         unsigned long           gc_expiry;
+        struct rcu_head         gc_rcu;
 };
 
 struct gss_upcall_msg;
@@ -85,11 +86,6 @@ struct gss_cred {
         struct gss_upcall_msg   *gc_upcall;
 };
 
-#define gc_uid                  gc_base.cr_uid
-#define gc_count                gc_base.cr_count
-#define gc_flags                gc_base.cr_flags
-#define gc_expire               gc_base.cr_expire
-
 #endif /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_AUTH_GSS_H */
 
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 66611423c8ee..c0d9d14983b3 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -24,8 +24,10 @@ struct rpc_inode;
  * The high-level client handle
  */
 struct rpc_clnt {
-        atomic_t                cl_count;       /* Number of clones */
-        atomic_t                cl_users;       /* number of references */
+        struct kref             cl_kref;        /* Number of references */
+        struct list_head        cl_clients;     /* Global list of clients */
+        struct list_head        cl_tasks;       /* List of tasks */
+        spinlock_t              cl_lock;        /* spinlock */
         struct rpc_xprt *       cl_xprt;        /* transport */
         struct rpc_procinfo *   cl_procinfo;    /* procedure info */
         u32                     cl_prog,        /* RPC program number */
@@ -41,9 +43,7 @@ struct rpc_clnt {
         unsigned int            cl_softrtry : 1,/* soft timeouts */
                                 cl_intr     : 1,/* interruptible */
                                 cl_discrtry : 1,/* disconnect before retry */
-                                cl_autobind : 1,/* use getport() */
-                                cl_oneshot  : 1,/* dispose after use */
-                                cl_dead     : 1;/* abandoned */
+                                cl_autobind : 1;/* use getport() */
 
         struct rpc_rtt *        cl_rtt;         /* RTO estimator data */
 
@@ -98,6 +98,7 @@ struct rpc_create_args {
         int                     protocol;
         struct sockaddr         *address;
         size_t                  addrsize;
+        struct sockaddr         *saddress;
         struct rpc_timeout      *timeout;
         char                    *servername;
         struct rpc_program      *program;
@@ -110,20 +111,20 @@ struct rpc_create_args {
 #define RPC_CLNT_CREATE_HARDRTRY        (1UL << 0)
 #define RPC_CLNT_CREATE_INTR            (1UL << 1)
 #define RPC_CLNT_CREATE_AUTOBIND        (1UL << 2)
-#define RPC_CLNT_CREATE_ONESHOT         (1UL << 3)
-#define RPC_CLNT_CREATE_NONPRIVPORT     (1UL << 4)
-#define RPC_CLNT_CREATE_NOPING          (1UL << 5)
-#define RPC_CLNT_CREATE_DISCRTRY        (1UL << 6)
+#define RPC_CLNT_CREATE_NONPRIVPORT     (1UL << 3)
+#define RPC_CLNT_CREATE_NOPING          (1UL << 4)
+#define RPC_CLNT_CREATE_DISCRTRY        (1UL << 5)
 
 struct rpc_clnt *rpc_create(struct rpc_create_args *args);
 struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
                                 struct rpc_program *, int);
 struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
-int             rpc_shutdown_client(struct rpc_clnt *);
-int             rpc_destroy_client(struct rpc_clnt *);
+void            rpc_shutdown_client(struct rpc_clnt *);
 void            rpc_release_client(struct rpc_clnt *);
+
 int             rpcb_register(u32, u32, int, unsigned short, int *);
-void            rpcb_getport(struct rpc_task *);
+int             rpcb_getport_sync(struct sockaddr_in *, __u32, __u32, int);
+void            rpcb_getport_async(struct rpc_task *);
 
 void            rpc_call_setup(struct rpc_task *, struct rpc_message *, int);
 
@@ -132,20 +133,16 @@ int		rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg,
                                void *calldata);
 int             rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg,
                               int flags);
+struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred,
+                               int flags);
 void            rpc_restart_call(struct rpc_task *);
 void            rpc_clnt_sigmask(struct rpc_clnt *clnt, sigset_t *oldset);
 void            rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset);
 void            rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
 size_t          rpc_max_payload(struct rpc_clnt *);
 void            rpc_force_rebind(struct rpc_clnt *);
-int             rpc_ping(struct rpc_clnt *clnt, int flags);
 size_t          rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
 char *          rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
 
-/*
- * Helper function for NFSroot support
- */
-int             rpcb_getport_external(struct sockaddr_in *, __u32, __u32, int);
-
 #endif /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_CLNT_H */
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 5eca9e442051..bbac101ac372 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -77,7 +77,7 @@ struct gss_api_mech {
         struct module           *gm_owner;
         struct xdr_netobj       gm_oid;
         char                    *gm_name;
-        struct gss_api_ops      *gm_ops;
+        const struct gss_api_ops *gm_ops;
         /* pseudoflavors supported by this mechanism: */
         int                     gm_pf_num;
         struct pf_desc *        gm_pfs;
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index ad293760f6eb..51b977a4ca20 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -23,9 +23,11 @@ struct rpc_inode {
         void *private;
         struct list_head pipe;
         struct list_head in_upcall;
+        struct list_head in_downcall;
         int pipelen;
         int nreaders;
         int nwriters;
+        int nkern_readwriters;
         wait_queue_head_t waitq;
 #define RPC_PIPE_WAIT_FOR_OPEN  1
         int flags;
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 2047fb202a13..8ea077db0099 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -98,7 +98,6 @@ struct rpc_task {
         unsigned short          tk_pid;         /* debugging aid */
 #endif
 };
-#define tk_auth                 tk_client->cl_auth
 #define tk_xprt                 tk_client->cl_xprt
 
 /* support walking a list of tasks on a wait queue */
@@ -110,11 +109,6 @@ struct rpc_task {
         if (!list_empty(head) &&  \
             ((task=list_entry((head)->next, struct rpc_task, u.tk_wait.list)),1))
 
-/* .. and walking list of all tasks */
-#define alltask_for_each(task, pos, head) \
-        list_for_each(pos, head) \
-                if ((task=list_entry(pos, struct rpc_task, tk_task)),1)
-
 typedef void                    (*rpc_action)(struct rpc_task *);
 
 struct rpc_call_ops {
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index e21dd93ac4b7..a53e0fa855d2 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -59,6 +59,7 @@ struct svc_sock {
         /* cache of various info for TCP sockets */
         void                    *sk_info_authunix;
 
+        struct sockaddr_storage sk_local;       /* local address */
         struct sockaddr_storage sk_remote;      /* remote peer's address */
         int                     sk_remotelen;   /* length of address */
 };
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 34f7590506fa..d11cedd14f0f 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -17,6 +17,8 @@
 #include <linux/sunrpc/xdr.h>
 #include <linux/sunrpc/msg_prot.h>
 
+#ifdef __KERNEL__
+
 extern unsigned int xprt_udp_slot_table_entries;
 extern unsigned int xprt_tcp_slot_table_entries;
 
@@ -194,7 +196,13 @@ struct rpc_xprt {
         char *                  address_strings[RPC_DISPLAY_MAX];
 };
 
-#ifdef __KERNEL__
+struct rpc_xprtsock_create {
+        int                     proto;          /* IPPROTO_UDP or IPPROTO_TCP */
+        struct sockaddr *       srcaddr;        /* optional local address */
+        struct sockaddr *       dstaddr;        /* remote peer address */
+        size_t                  addrlen;
+        struct rpc_timeout *    timeout;        /* optional timeout parameters */
+};
 
 /*
  * Transport operations used by ULPs
@@ -204,7 +212,7 @@ void			xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long
 /*
  * Generic internal transport functions
  */
-struct rpc_xprt *       xprt_create_transport(int proto, struct sockaddr *addr, size_t size, struct rpc_timeout *toparms);
+struct rpc_xprt *       xprt_create_transport(struct rpc_xprtsock_create *args);
 void                    xprt_connect(struct rpc_task *task);
 void                    xprt_reserve(struct rpc_task *task);
 int                     xprt_reserve_xprt(struct rpc_task *task);
@@ -242,8 +250,8 @@ void			xprt_disconnect(struct rpc_xprt *xprt);
 /*
  * Socket transport setup operations
  */
-struct rpc_xprt *       xs_setup_udp(struct sockaddr *addr, size_t addrlen, struct rpc_timeout *to);
-struct rpc_xprt *       xs_setup_tcp(struct sockaddr *addr, size_t addrlen, struct rpc_timeout *to);
+struct rpc_xprt *       xs_setup_udp(struct rpc_xprtsock_create *args);
+struct rpc_xprt *       xs_setup_tcp(struct rpc_xprtsock_create *args);
 int                     init_socket_xprt(void);
 void                    cleanup_socket_xprt(void);