Merge http://nfsclient.bkbits.net/linux-2.6

into fys.uio.no:/home/linux/bitkeeper/nfsclient-2.6

10 files changed, 203 insertions, 111 deletions

diff --git a/include/linux/nfs.h b/include/linux/nfs.h
index b30265f03e00..ca2ffa6ae1d5 100644
--- a/include/linux/nfs.h
+++ b/include/linux/nfs.h
@@ -8,6 +8,7 @@
 #define _LINUX_NFS_H
 
 #include <linux/sunrpc/msg_prot.h>
+#include <linux/string.h>
 
 #define NFS_PROGRAM	100003
 #define NFS_PORT	2049
@@ -139,6 +140,22 @@ struct nfs_fh {
 };
 
 /*
+ * Returns a zero iff the size and data fields match.
+ * Checks only "size" bytes in the data field.
+ */
+static inline int nfs_compare_fh(const struct nfs_fh *a, const struct nfs_fh *b)
+{
+	return a->size != b->size || memcmp(a->data, b->data, a->size) != 0;
+}
+
+static inline void nfs_copy_fh(struct nfs_fh *target, const struct nfs_fh *source)
+{
+	target->size = source->size;
+	memcpy(target->data, source->data, source->size);
+}
+
+
+/*
  * This is really a general kernel constant, but since nothing like
  * this is defined in the kernel headers, I have to do it here.
  */
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 8dec3e456d02..96974ab10f27 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -18,6 +18,7 @@
 
 #define NFS4_VERIFIER_SIZE	8
 #define NFS4_FHSIZE		128
+#define NFS4_MAXPATHLEN		PATH_MAX
 #define NFS4_MAXNAMLEN		NAME_MAX
 
 #define NFS4_ACCESS_READ        0x0001
@@ -354,7 +355,7 @@ enum {
 	NFSPROC4_CLNT_COMMIT,
 	NFSPROC4_CLNT_OPEN,
 	NFSPROC4_CLNT_OPEN_CONFIRM,
-	NFSPROC4_CLNT_OPEN_RECLAIM,
+	NFSPROC4_CLNT_OPEN_NOATTR,
 	NFSPROC4_CLNT_OPEN_DOWNGRADE,
 	NFSPROC4_CLNT_CLOSE,
 	NFSPROC4_CLNT_SETATTR,
@@ -372,12 +373,14 @@ enum {
 	NFSPROC4_CLNT_REMOVE,
 	NFSPROC4_CLNT_RENAME,
 	NFSPROC4_CLNT_LINK,
+	NFSPROC4_CLNT_SYMLINK,
 	NFSPROC4_CLNT_CREATE,
 	NFSPROC4_CLNT_PATHCONF,
 	NFSPROC4_CLNT_STATFS,
 	NFSPROC4_CLNT_READLINK,
 	NFSPROC4_CLNT_READDIR,
 	NFSPROC4_CLNT_SERVER_CAPS,
+	NFSPROC4_CLNT_DELEGRETURN,
 };
 
 #endif
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0fd3f817831e..0ccc263aacf5 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -28,6 +28,7 @@
 #include <linux/nfs3.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_xdr.h>
+#include <linux/rwsem.h>
 #include <linux/workqueue.h>
 
 /*
@@ -75,16 +76,34 @@
 #ifdef __KERNEL__
 
 /*
- * NFSv3 Access mode cache
+ * NFSv3/v4 Access mode cache entry
  */
-struct nfs_access_cache {
+struct nfs_access_entry {
 	unsigned long		jiffies;
 	struct rpc_cred *	cred;
 	int			mask;
-	int			err;
+};
+
+struct nfs4_state;
+struct nfs_open_context {
+	atomic_t count;
+	struct dentry *dentry;
+	struct rpc_cred *cred;
+	struct nfs4_state *state;
+	fl_owner_t lockowner;
+	int mode;
+	int error;
+
+	struct list_head list;
+	wait_queue_head_t waitq;
 };
 
 /*
+ * NFSv4 delegation
+ */
+struct nfs_delegation;
+
+/*
  * nfs fs inode data in memory
  */
 struct nfs_inode {
@@ -137,7 +156,7 @@ struct nfs_inode {
 	 */
 	atomic_t		data_updates;
 
-	struct nfs_access_cache	cache_access;
+	struct nfs_access_entry	cache_access;
 
 	/*
 	 * This is the cookie verifier used for NFSv3 readdir
@@ -148,6 +167,7 @@ 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;
@@ -156,14 +176,17 @@ struct nfs_inode {
 				ncommit,
 				npages;
 
-	/* Credentials for shared mmap */
-	struct rpc_cred		*mm_cred;
+	/* Open contexts for shared mmap writes */
+	struct list_head	open_files;
 
 	wait_queue_head_t	nfs_i_wait;
 
 #ifdef CONFIG_NFS_V4
         /* NFSv4 state */
 	struct list_head	open_states;
+	struct nfs_delegation	*delegation;
+	int			 delegation_state;
+	struct rw_semaphore	rwsem;
 #endif /* CONFIG_NFS_V4*/
 
 	struct inode		vfs_inode;
@@ -268,9 +291,12 @@ extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *,
 extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *);
 extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int nfs_permission(struct inode *, int, struct nameidata *);
-extern void nfs_set_mmcred(struct inode *, struct rpc_cred *);
+extern int nfs_access_get_cached(struct inode *, struct rpc_cred *, struct nfs_access_entry *);
+extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *);
 extern int nfs_open(struct inode *, struct file *);
 extern int nfs_release(struct inode *, struct file *);
+extern int nfs_attribute_timeout(struct inode *inode);
+extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
 extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
 extern int nfs_setattr(struct dentry *, struct iattr *);
 extern void nfs_begin_attr_update(struct inode *);
@@ -278,6 +304,12 @@ extern void nfs_end_attr_update(struct inode *);
 extern void nfs_begin_data_update(struct inode *);
 extern void nfs_end_data_update(struct inode *);
 extern void nfs_end_data_update_defer(struct inode *);
+extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred);
+extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
+extern void put_nfs_open_context(struct nfs_open_context *ctx);
+extern void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx);
+extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, int mode);
+extern void nfs_file_clear_open_context(struct file *filp);
 
 /* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */
 extern u32 root_nfs_parse_addr(char *name); /*__init*/
@@ -289,16 +321,15 @@ extern struct inode_operations nfs_file_inode_operations;
 extern struct file_operations nfs_file_operations;
 extern struct address_space_operations nfs_file_aops;
 
-static __inline__ struct rpc_cred *
-nfs_file_cred(struct file *file)
+static inline struct rpc_cred *nfs_file_cred(struct file *file)
 {
-	struct rpc_cred *cred = NULL;
-	if (file)
-		cred = (struct rpc_cred *)file->private_data;
-#ifdef RPC_DEBUG
-	BUG_ON(cred && cred->cr_magic != RPCAUTH_CRED_MAGIC);
-#endif
-	return cred;
+	if (file != NULL) {
+		struct nfs_open_context *ctx;
+
+		ctx = (struct nfs_open_context*)file->private_data;
+		return ctx->cred;
+	}
+	return NULL;
 }
 
 /*
@@ -418,28 +449,6 @@ extern int  nfsroot_mount(struct sockaddr_in *, char *, struct nfs_fh *,
  * inline functions
  */
 
-static inline int nfs_attribute_timeout(struct inode *inode)
-{
-	struct nfs_inode *nfsi = NFS_I(inode);
-
-	return time_after(jiffies, nfsi->read_cache_jiffies+nfsi->attrtimeo);
-}
-
-/**
- * nfs_revalidate_inode - Revalidate the inode attributes
- * @server - pointer to nfs_server struct
- * @inode - pointer to inode struct
- *
- * Updates inode attribute information by retrieving the data from the server.
- */
-static inline int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
-{
-	if (!(NFS_FLAGS(inode) & (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA))
-			&& !nfs_attribute_timeout(inode))
-		return NFS_STALE(inode) ? -ESTALE : 0;
-	return __nfs_revalidate_inode(server, inode);
-}
-
 static inline loff_t
 nfs_size_to_loff_t(__u64 size)
 {
@@ -507,8 +516,6 @@ struct idmap;
 
 enum nfs4_client_state {
 	NFS4CLNT_OK  = 0,
-	NFS4CLNT_NEW,
-	NFS4CLNT_SETUP_STATE,
 };
 
 /*
@@ -520,7 +527,6 @@ struct nfs4_client {
 	u64			cl_clientid;	/* constant */
 	nfs4_verifier		cl_confirm;
 	unsigned long		cl_state;
-	long			cl_generation;
 
 	u32			cl_lockowner_id;
 
@@ -530,6 +536,7 @@ struct nfs4_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;
@@ -573,12 +580,11 @@ struct nfs4_state_owner {
 	u32                  so_id;      /* 32-bit identifier, unique */
 	struct semaphore     so_sema;
 	u32                  so_seqid;   /* protected by so_sema */
-	unsigned int         so_flags;   /* protected by so_sema */
 	atomic_t	     so_count;
-	long		     so_generation;
 
 	struct rpc_cred	     *so_cred;	 /* Associated cred */
 	struct list_head     so_states;
+	struct list_head     so_delegations;
 };
 
 /*
@@ -596,7 +602,8 @@ struct nfs4_state_owner {
 struct nfs4_lock_state {
 	struct list_head	ls_locks;	/* Other lock stateids */
 	fl_owner_t		ls_owner;	/* POSIX lock owner */
-	struct nfs4_state *	ls_parent;	/* Parent nfs4_state */
+#define NFS_LOCK_INITIALIZED 1
+	int			ls_flags;
 	u32			ls_seqid;
 	u32			ls_id;
 	nfs4_stateid		ls_stateid;
@@ -606,6 +613,7 @@ struct nfs4_lock_state {
 /* bits for nfs4_state->flags */
 enum {
 	LK_STATE_IN_USE,
+	NFS_DELEGATED_STATE,
 };
 
 struct nfs4_state {
@@ -629,6 +637,11 @@ struct nfs4_state {
 };
 
 
+struct nfs4_exception {
+	long timeout;
+	int retry;
+};
+
 extern struct dentry_operations nfs4_dentry_operations;
 extern struct inode_operations nfs4_dir_inode_operations;
 
@@ -639,10 +652,12 @@ extern int nfs4_open_reclaim(struct nfs4_state_owner *, struct nfs4_state *);
 extern int nfs4_proc_async_renew(struct nfs4_client *);
 extern int nfs4_proc_renew(struct nfs4_client *);
 extern int nfs4_do_close(struct inode *, struct nfs4_state *);
-int nfs4_do_downgrade(struct inode *inode, struct nfs4_state *state, mode_t mode);
+extern int nfs4_do_downgrade(struct inode *inode, struct nfs4_state *state, mode_t mode);
 extern int nfs4_wait_clnt_recover(struct rpc_clnt *, struct nfs4_client *);
 extern struct inode *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
 extern int nfs4_open_revalidate(struct inode *, struct dentry *, int);
+extern int nfs4_handle_exception(struct nfs_server *, int, struct nfs4_exception *);
+extern int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request);
 
 /* nfs4renewd.c */
 extern void nfs4_schedule_state_renewal(struct nfs4_client *);
@@ -654,6 +669,8 @@ extern void init_nfsv4_state(struct nfs_server *);
 extern void destroy_nfsv4_state(struct nfs_server *);
 extern struct nfs4_client *nfs4_get_client(struct in_addr *);
 extern void nfs4_put_client(struct nfs4_client *clp);
+extern int nfs4_init_client(struct nfs4_client *clp);
+extern struct nfs4_client *nfs4_find_client(struct in_addr *);
 extern u32 nfs4_alloc_lockowner_id(struct nfs4_client *);
 
 extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struct rpc_cred *);
@@ -663,14 +680,13 @@ extern void nfs4_put_open_state(struct nfs4_state *);
 extern void nfs4_close_state(struct nfs4_state *, mode_t);
 extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode);
 extern void nfs4_increment_seqid(int status, struct nfs4_state_owner *sp);
-extern int nfs4_handle_error(struct nfs_server *, int);
 extern void nfs4_schedule_state_recovery(struct nfs4_client *);
 extern struct nfs4_lock_state *nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t);
-extern struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t);
+extern struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t);
 extern void nfs4_put_lock_state(struct nfs4_lock_state *state);
 extern void nfs4_increment_lock_seqid(int status, struct nfs4_lock_state *ls);
-extern void nfs4_notify_setlk(struct inode *, struct file_lock *, struct nfs4_lock_state *);
-extern void nfs4_notify_unlck(struct inode *, struct file_lock *, struct nfs4_lock_state *);
+extern void nfs4_notify_setlk(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *);
+extern void nfs4_notify_unlck(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *);
 extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t);
 
 
@@ -681,6 +697,7 @@ struct nfs4_mount_data;
 #define destroy_nfsv4_state(server)       do { } while (0)
 #define nfs4_put_state_owner(inode, owner) do { } while (0)
 #define nfs4_put_open_state(state) do { } while (0)
+#define nfs4_close_state(a, b) do { } while (0)
 #define nfs4_renewd_prepare_shutdown(server) do { } while (0)
 #endif
 
@@ -697,6 +714,7 @@ struct nfs4_mount_data;
 #define NFSDBG_XDR		0x0020
 #define NFSDBG_FILE		0x0040
 #define NFSDBG_ROOT		0x0080
+#define NFSDBG_CALLBACK		0x0100
 #define NFSDBG_ALL		0xFFFF
 
 #ifdef __KERNEL__
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 428355f8aaf9..a43a38607982 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -18,6 +18,7 @@ struct nfs_server {
 	unsigned int		rpages;		/* read size (in pages) */
 	unsigned int		wsize;		/* write size */
 	unsigned int		wpages;		/* write size (in pages) */
+	unsigned int		wtmult;		/* server disk block size */
 	unsigned int		dtsize;		/* readdir size */
 	unsigned int		bsize;		/* server block size */
 	unsigned int		acregmin;	/* attr cache timeouts */
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 454587123f33..39e4895bcdb4 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -29,19 +29,14 @@
 struct nfs_page {
 	struct list_head	wb_list,	/* Defines state of page: */
 				*wb_list_head;	/*      read/write/commit */
-	struct file		*wb_file;
-	fl_owner_t		wb_lockowner;
-	struct inode		*wb_inode;
-	struct rpc_cred		*wb_cred;
-	struct nfs4_state	*wb_state;
 	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 */
-	wait_queue_head_t	wb_wait;	/* wait queue */
 	unsigned long		wb_index;	/* Offset >> PAGE_CACHE_SHIFT */
 	unsigned int		wb_offset,	/* Offset & ~PAGE_CACHE_MASK */
 				wb_pgbase,	/* Start of page data */
-				wb_bytes,	/* Length of request */
-				wb_count;	/* reference count */
+				wb_bytes;	/* Length of request */
+	atomic_t		wb_count;	/* reference count */
 	unsigned long		wb_flags;
 	struct nfs_writeverf	wb_verf;	/* Commit cookie */
 };
@@ -50,9 +45,11 @@ struct nfs_page {
 #define NFS_NEED_COMMIT(req)	(test_bit(PG_NEED_COMMIT,&(req)->wb_flags))
 #define NFS_NEED_RESCHED(req)	(test_bit(PG_NEED_RESCHED,&(req)->wb_flags))
 
-extern	struct nfs_page *nfs_create_request(struct file *, struct inode *,
-					    struct page *,
-					    unsigned int, unsigned int);
+extern	struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
+					    struct inode *inode,
+					    struct page *page,
+					    unsigned int offset,
+					    unsigned int count);
 extern	void nfs_clear_request(struct nfs_page *req);
 extern	void nfs_release_request(struct nfs_page *req);
 
@@ -64,8 +61,7 @@ extern	int nfs_scan_list(struct list_head *, struct list_head *,
 extern	int nfs_coalesce_requests(struct list_head *, struct list_head *,
 				  unsigned int);
 extern  int nfs_wait_on_request(struct nfs_page *);
-
-extern	spinlock_t nfs_wreq_lock;
+extern	void nfs_unlock_request(struct nfs_page *req);
 
 /*
  * Lock the page of an asynchronous request without incrementing the wb_count
@@ -86,23 +82,10 @@ nfs_lock_request(struct nfs_page *req)
 {
 	if (test_and_set_bit(PG_BUSY, &req->wb_flags))
 		return 0;
-	req->wb_count++;
+	atomic_inc(&req->wb_count);
 	return 1;
 }
 
-static inline void
-nfs_unlock_request(struct nfs_page *req)
-{
-	if (!NFS_WBACK_BUSY(req)) {
-		printk(KERN_ERR "NFS: Invalid unlock attempted\n");
-		BUG();
-	}
-	smp_mb__before_clear_bit();
-	clear_bit(PG_BUSY, &req->wb_flags);
-	smp_mb__after_clear_bit();
-	wake_up_all(&req->wb_wait);
-	nfs_release_request(req);
-}
 
 /**
  * nfs_list_remove_request - Remove a request from its wb_list
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index f47e3c27af27..90fbb9d1514f 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -99,20 +99,21 @@ struct nfs4_change_info {
  * Arguments to the open call.
  */
 struct nfs_openargs {
-	struct nfs_fh *         fh;
+	const struct nfs_fh *	fh;
 	__u32                   seqid;
-	__u32                   share_access;
+	int			open_flags;
 	__u64                   clientid;
 	__u32                   id;
-	__u32                   opentype;
-	__u32                   createmode;
 	union {
 		struct iattr *  attrs;    /* UNCHECKED, GUARDED */
 		nfs4_verifier   verifier; /* EXCLUSIVE */
+		nfs4_stateid	delegation;		/* CLAIM_DELEGATE_CUR */
+		int		delegation_type;	/* CLAIM_PREVIOUS */
 	} u;
 	const struct qstr *	name;
 	const struct nfs_server *server;	 /* Needed for ID mapping */
 	const u32 *		bitmask;
+	__u32			claim;
 };
 
 struct nfs_openres {
@@ -122,13 +123,17 @@ struct nfs_openres {
 	__u32                   rflags;
 	struct nfs_fattr *      f_attr;
 	const struct nfs_server *server;
+	int			delegation_type;
+	nfs4_stateid		delegation;
+	__u32			do_recall;
+	__u64			maxsize;
 };
 
 /*
  * Arguments to the open_confirm call.
  */
 struct nfs_open_confirmargs {
-	struct nfs_fh *         fh;
+	const struct nfs_fh *	fh;
 	nfs4_stateid            stateid;
 	__u32                   seqid;
 };
@@ -138,26 +143,13 @@ struct nfs_open_confirmres {
 };
 
 /*
- * Arguments to the open_reclaim call.
- */
-struct nfs_open_reclaimargs {
-	struct nfs_fh *		fh;
-	__u64			clientid;
-	__u32			seqid;
-	__u32			id;
-	__u32			share_access;
-	__u32			claim;
-	const __u32 *		bitmask;
-};
-
-/*
  * Arguments to the close call.
  */
 struct nfs_closeargs {
 	struct nfs_fh *         fh;
 	nfs4_stateid            stateid;
 	__u32                   seqid;
-	__u32			share_access;
+	int			open_flags;
 };
 
 struct nfs_closeres {
@@ -224,6 +216,11 @@ struct nfs_lockres {
 	const struct nfs_server *	server;
 };
 
+struct nfs4_delegreturnargs {
+	const struct nfs_fh *fhandle;
+	const nfs4_stateid *stateid;
+};
+
 /*
  * Arguments to the read call.
  */
@@ -235,8 +232,7 @@ struct nfs_lockres {
 
 struct nfs_readargs {
 	struct nfs_fh *		fh;
-	fl_owner_t		lockowner;
-	struct nfs4_state *	state;
+	struct nfs_open_context *context;
 	__u64			offset;
 	__u32			count;
 	unsigned int		pgbase;
@@ -259,8 +255,7 @@ struct nfs_readres {
 
 struct nfs_writeargs {
 	struct nfs_fh *		fh;
-	fl_owner_t		lockowner;
-	struct nfs4_state *	state;
+	struct nfs_open_context *context;
 	__u64			offset;
 	__u32			count;
 	enum nfs3_stable_how	stable;
@@ -597,13 +592,15 @@ struct nfs4_rename_res {
 };
 
 struct nfs4_setclientid {
-	nfs4_verifier			sc_verifier;      /* request */
-	char *				sc_name;	  /* request */
+	const nfs4_verifier *		sc_verifier;      /* request */
+	unsigned int			sc_name_len;
+	char				sc_name[32];	  /* request */
 	u32				sc_prog;          /* request */
+	unsigned int			sc_netid_len;
 	char				sc_netid[4];	  /* request */
+	unsigned int			sc_uaddr_len;
 	char				sc_uaddr[24];     /* request */
 	u32				sc_cb_ident;      /* request */
-	struct nfs4_client *		sc_state;	  /* response */
 };
 
 struct nfs4_statfs_arg {
@@ -657,6 +654,8 @@ struct nfs_write_data {
 	void (*complete) (struct nfs_write_data *, int);
 };
 
+struct nfs_access_entry;
+
 /*
  * RPC procedure vector for NFSv2/NFSv3 demuxing
  */
@@ -667,16 +666,17 @@ struct nfs_rpc_ops {
 
 	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
 			    struct nfs_fsinfo *);
-	int	(*getattr) (struct inode *, struct nfs_fattr *);
+	int	(*getattr) (struct nfs_server *, struct nfs_fh *,
+			    struct nfs_fattr *);
 	int	(*setattr) (struct dentry *, struct nfs_fattr *,
 			    struct iattr *);
 	int	(*lookup)  (struct inode *, struct qstr *,
 			    struct nfs_fh *, struct nfs_fattr *);
-	int	(*access)  (struct inode *, struct rpc_cred *, int);
+	int	(*access)  (struct inode *, struct nfs_access_entry *);
 	int	(*readlink)(struct inode *, struct page *);
-	int	(*read)    (struct nfs_read_data *, struct file *);
-	int	(*write)   (struct nfs_write_data *, struct file *);
-	int	(*commit)  (struct nfs_write_data *, struct file *);
+	int	(*read)    (struct nfs_read_data *);
+	int	(*write)   (struct nfs_write_data *);
+	int	(*commit)  (struct nfs_write_data *);
 	struct inode *	(*create)  (struct inode *, struct qstr *,
 			    struct iattr *, int);
 	int	(*remove)  (struct inode *, struct qstr *);
@@ -708,8 +708,6 @@ struct nfs_rpc_ops {
 	void	(*commit_setup) (struct nfs_write_data *, int how);
 	int	(*file_open)   (struct inode *, struct file *);
 	int	(*file_release) (struct inode *, struct file *);
-	void	(*request_init)(struct nfs_page *, struct file *);
-	int	(*request_compatible)(struct nfs_page *, struct file *, struct page *);
 	int	(*lock)(struct file *, int, struct file_lock *);
 };
 
diff --git a/include/linux/sunrpc/gss_asn1.h b/include/linux/sunrpc/gss_asn1.h
index 7559244d46b9..e0e4e1dc5656 100644
--- a/include/linux/sunrpc/gss_asn1.h
+++ b/include/linux/sunrpc/gss_asn1.h
@@ -69,7 +69,6 @@ u32 g_verify_token_header(
      struct xdr_netobj *mech,
      int *body_size,
      unsigned char **buf_in,
-     int tok_type,
      int toksize);
 
 u32 g_get_mech_oid(struct xdr_netobj *mech, struct xdr_netobj * in_buf);
diff --git a/include/linux/sunrpc/gss_spkm3.h b/include/linux/sunrpc/gss_spkm3.h
new file mode 100644
index 000000000000..b5c9968c3c17
--- /dev/null
+++ b/include/linux/sunrpc/gss_spkm3.h
@@ -0,0 +1,61 @@
+/*
+ *  linux/include/linux/sunrpc/gss_spkm3.h
+ *
+ *  Copyright (c) 2000 The Regents of the University of Michigan.
+ *  All rights reserved.
+ *
+ *  Andy Adamson   <andros@umich.edu>
+ */
+
+#include <linux/sunrpc/auth_gss.h>
+#include <linux/sunrpc/gss_err.h>
+#include <linux/sunrpc/gss_asn1.h>
+
+struct spkm3_ctx {
+	struct xdr_netobj	ctx_id; /* per message context id */
+	int			qop;         /* negotiated qop */
+	struct xdr_netobj	mech_used;
+	unsigned int		ret_flags ;
+	unsigned int		req_flags ;
+	struct xdr_netobj	share_key;
+	int			conf_alg;
+	struct crypto_tfm*	derived_conf_key;
+	int			intg_alg;
+	struct crypto_tfm*	derived_integ_key;
+	int			keyestb_alg;   /* alg used to get share_key */
+	int			owf_alg;   /* one way function */
+};
+
+/* from openssl/objects.h */
+/* XXX need SEAL_ALG_NONE */
+#define NID_md5		4
+#define NID_dhKeyAgreement	28 
+#define NID_des_cbc		31 
+#define NID_sha1		64
+#define NID_cast5_cbc		108
+
+/* SPKM InnerContext Token types */
+
+#define SPKM_ERROR_TOK	3
+#define SPKM_MIC_TOK	4
+#define SPKM_WRAP_TOK	5
+#define SPKM_DEL_TOK	6
+
+u32 spkm3_make_token(struct spkm3_ctx *ctx, int qop_req, struct xdr_buf * text, struct xdr_netobj * token, int toktype);
+
+u32 spkm3_read_token(struct spkm3_ctx *ctx, struct xdr_netobj *read_token, struct xdr_buf *message_buffer, int *qop_state, int toktype);
+
+#define CKSUMTYPE_RSA_MD5            0x0007
+
+s32 make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
+                   struct xdr_netobj *cksum);
+void asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits);
+int decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, 
+                   int explen);
+void spkm3_mic_header(unsigned char **hdrbuf, unsigned int *hdrlen, 
+                   unsigned char *ctxhdr, int elen, int zbit);
+void spkm3_make_mic_token(unsigned  char **tokp, int toklen, 
+                   struct xdr_netobj *mic_hdr,
+                   struct xdr_netobj *md5cksum, int md5elen, int md5zbit);
+u32 spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, 
+                   unsigned char **cksum);
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index be2e6ef3b793..6959ed0d69d8 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -113,6 +113,7 @@ typedef void			(*rpc_action)(struct rpc_task *);
 #define RPC_TASK_DYNAMIC	0x0080		/* task was kmalloc'ed */
 #define RPC_TASK_KILLED		0x0100		/* task was killed */
 #define RPC_TASK_SOFT		0x0200		/* Use soft timeouts */
+#define RPC_TASK_NOINTR		0x0400		/* uninterruptible task */
 
 #define RPC_IS_ASYNC(t)		((t)->tk_flags & RPC_TASK_ASYNC)
 #define RPC_IS_SETUID(t)	((t)->tk_flags & RPC_TASK_SETUID)
@@ -123,6 +124,7 @@ typedef void			(*rpc_action)(struct rpc_task *);
 #define RPC_IS_ACTIVATED(t)	((t)->tk_active)
 #define RPC_DO_CALLBACK(t)	((t)->tk_callback != NULL)
 #define RPC_IS_SOFT(t)		((t)->tk_flags & RPC_TASK_SOFT)
+#define RPC_TASK_UNINTERRUPTIBLE(t) ((t)->tk_flags & RPC_TASK_NOINTR)
 
 #define RPC_TASK_SLEEPING	0
 #define RPC_TASK_RUNNING	1
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 7abde582f9db..f464260d6fdb 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -87,6 +87,14 @@ static inline u32 svc_getu32(struct kvec *iov)
 	iov->iov_len -= sizeof(u32);
 	return val;
 }
+
+static inline void svc_ungetu32(struct kvec *iov)
+{
+	u32 *vp = (u32 *)iov->iov_base;
+	iov->iov_base = (void *)(vp - 1);
+	iov->iov_len += sizeof(*vp);
+}
+
 static inline void svc_putu32(struct kvec *iov, u32 val)
 {
 	u32 *vp = iov->iov_base + iov->iov_len;
@@ -243,6 +251,8 @@ struct svc_program {
 	char *			pg_name;	/* service name */
 	char *			pg_class;	/* class name: services sharing authentication */
 	struct svc_stat *	pg_stats;	/* rpc statistics */
+	/* Override authentication. NULL means use default */
+	int			(*pg_authenticate)(struct svc_rqst *, u32 *);
 };
 
 /*