Merge branch 'master' of ssh://rsync.linux-nfs.org/home/trondmy/www_sites/rsync.linux-nfs.org/pub/linux/nfs-2.6

8 files changed, 60 insertions, 52 deletions

diff --git a/include/linux/acct.h b/include/linux/acct.h
index 1993a3691768..19f70462b3be 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -162,13 +162,13 @@ typedef struct acct acct_t;
 #ifdef __KERNEL__
 /*
  * Yet another set of HZ to *HZ helper functions.
- * See <linux/times.h> for the original.
+ * See <linux/jiffies.h> for the original.
  */
 
 static inline u32 jiffies_to_AHZ(unsigned long x)
 {
 #if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
-	return x / (HZ / USER_HZ);
+	return x / (HZ / AHZ);
 #else
         u64 tmp = (u64)x * TICK_NSEC;
         do_div(tmp, (NSEC_PER_SEC / AHZ));
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 60def658b246..0decf66117c1 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -24,7 +24,12 @@ struct kioctx;
 #define KIOCB_SYNC_KEY		(~0U)
 
 /* ki_flags bits */
-#define KIF_LOCKED		0
+/*
+ * This may be used for cancel/retry serialization in the future, but
+ * for now it's unused and we probably don't want modules to even
+ * think they can use it.
+ */
+/* #define KIF_LOCKED		0 */
 #define KIF_KICKED		1
 #define KIF_CANCELLED		2
 
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index fe9778301d07..9bdba8169b41 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -393,15 +393,13 @@ extern cpumask_t cpu_present_map;
 #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
 
 /* Find the highest possible smp_processor_id() */
-static inline unsigned int highest_possible_processor_id(void)
-{
-	unsigned int cpu, highest = 0;
-
-	for_each_cpu_mask(cpu, cpu_possible_map)
-		highest = cpu;
-
-	return highest;
-}
+#define highest_possible_processor_id() \
+({ \
+	unsigned int cpu, highest = 0; \
+	for_each_cpu_mask(cpu, cpu_possible_map) \
+		highest = cpu; \
+	highest; \
+})
 
 
 #endif /* __LINUX_CPUMASK_H */
diff --git a/include/linux/list.h b/include/linux/list.h
index e6ec59682274..084971f333fe 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -442,12 +442,14 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_rcu(pos, head) \
-	for (pos = (head)->next; prefetch(pos->next), pos != (head); \
-        	pos = rcu_dereference(pos->next))
+	for (pos = (head)->next; \
+		prefetch(rcu_dereference(pos)->next), pos != (head); \
+        	pos = pos->next)
 
 #define __list_for_each_rcu(pos, head) \
-	for (pos = (head)->next; pos != (head); \
-        	pos = rcu_dereference(pos->next))
+	for (pos = (head)->next; \
+		rcu_dereference(pos) != (head); \
+        	pos = pos->next)
 
 /**
  * list_for_each_safe_rcu	-	iterate over an rcu-protected list safe
@@ -461,8 +463,9 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_safe_rcu(pos, n, head) \
-	for (pos = (head)->next, n = pos->next; pos != (head); \
-		pos = rcu_dereference(n), n = pos->next)
+	for (pos = (head)->next; \
+		n = rcu_dereference(pos)->next, pos != (head); \
+		pos = n)
 
 /**
  * list_for_each_entry_rcu	-	iterate over rcu list of given type
@@ -474,11 +477,11 @@ static inline void list_splice_init(struct list_head *list,
  * the _rcu list-mutation primitives such as list_add_rcu()
  * as long as the traversal is guarded by rcu_read_lock().
  */
-#define list_for_each_entry_rcu(pos, head, member)			\
-	for (pos = list_entry((head)->next, typeof(*pos), member);	\
-	     prefetch(pos->member.next), &pos->member != (head); 	\
-	     pos = rcu_dereference(list_entry(pos->member.next, 	\
-					typeof(*pos), member)))
+#define list_for_each_entry_rcu(pos, head, member) \
+	for (pos = list_entry((head)->next, typeof(*pos), member); \
+		prefetch(rcu_dereference(pos)->member.next), \
+			&pos->member != (head); \
+		pos = list_entry(pos->member.next, typeof(*pos), member))
 
 
 /**
@@ -492,8 +495,9 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_continue_rcu(pos, head) \
-	for ((pos) = (pos)->next; prefetch((pos)->next), (pos) != (head); \
-        	(pos) = rcu_dereference((pos)->next))
+	for ((pos) = (pos)->next; \
+		prefetch(rcu_dereference((pos))->next), (pos) != (head); \
+        	(pos) = (pos)->next)
 
 /*
  * Double linked lists with a single pointer list head.
@@ -696,8 +700,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
 	     pos = n)
 
 #define hlist_for_each_rcu(pos, head) \
-	for ((pos) = (head)->first; pos && ({ prefetch((pos)->next); 1; }); \
-		(pos) = rcu_dereference((pos)->next))
+	for ((pos) = (head)->first; \
+		rcu_dereference((pos)) && ({ prefetch((pos)->next); 1; }); \
+		(pos) = (pos)->next)
 
 /**
  * hlist_for_each_entry	- iterate over list of given type
@@ -762,9 +767,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
  */
 #define hlist_for_each_entry_rcu(tpos, pos, head, member)		 \
 	for (pos = (head)->first;					 \
-	     pos && ({ prefetch(pos->next); 1;}) &&			 \
+	     rcu_dereference(pos) && ({ prefetch(pos->next); 1;}) &&	 \
 		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = rcu_dereference(pos->next))
+	     pos = pos->next)
 
 #else
 #warning "don't include kernel headers in userspace"
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 7db67b008cac..1c975d0d9e94 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -8,6 +8,7 @@ struct vfsmount;
 struct open_intent {
 	int	flags;
 	int	create_mode;
+	struct file *file;
 };
 
 enum { MAX_NESTED_LINKS = 5 };
@@ -65,6 +66,13 @@ extern int FASTCALL(link_path_walk(const char *, struct nameidata *));
 extern void path_release(struct nameidata *);
 extern void path_release_on_umount(struct nameidata *);
 
+extern int __user_path_lookup_open(const char __user *, unsigned lookup_flags, struct nameidata *nd, int open_flags);
+extern int path_lookup_open(const char *, unsigned lookup_flags, struct nameidata *, int open_flags);
+extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
+		int (*open)(struct inode *, struct file *));
+extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
+extern void release_open_intent(struct nameidata *);
+
 extern struct dentry * lookup_one_len(const char *, struct dentry *, int);
 extern struct dentry * lookup_hash(struct qstr *, struct dentry *);
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index a2bf6914ff1b..60086dac11d5 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -96,12 +96,13 @@ struct nfs4_change_info {
 	u64			after;
 };
 
+struct nfs_seqid;
 /*
  * Arguments to the open call.
  */
 struct nfs_openargs {
 	const struct nfs_fh *	fh;
-	__u32                   seqid;
+	struct nfs_seqid *	seqid;
 	int			open_flags;
 	__u64                   clientid;
 	__u32                   id;
@@ -136,7 +137,7 @@ struct nfs_openres {
 struct nfs_open_confirmargs {
 	const struct nfs_fh *	fh;
 	nfs4_stateid            stateid;
-	__u32                   seqid;
+	struct nfs_seqid *	seqid;
 };
 
 struct nfs_open_confirmres {
@@ -148,8 +149,8 @@ struct nfs_open_confirmres {
  */
 struct nfs_closeargs {
 	struct nfs_fh *         fh;
-	nfs4_stateid            stateid;
-	__u32                   seqid;
+	nfs4_stateid *		stateid;
+	struct nfs_seqid *	seqid;
 	int			open_flags;
 };
 
@@ -164,30 +165,19 @@ struct nfs_lowner {
 	u32                     id;
 };
 
-struct nfs_open_to_lock {
-	__u32                   open_seqid;
-	nfs4_stateid            open_stateid;
-	__u32                   lock_seqid;
-	struct nfs_lowner       lock_owner;
-};
-
-struct nfs_exist_lock {
-	nfs4_stateid            stateid;
-	__u32                   seqid;
-};
-
 struct nfs_lock_opargs {
+	struct nfs_seqid *	lock_seqid;
+	nfs4_stateid *		lock_stateid;
+	struct nfs_seqid *	open_seqid;
+	nfs4_stateid *		open_stateid;
+	struct nfs_lowner       lock_owner;
 	__u32                   reclaim;
 	__u32                   new_lock_owner;
-	union {
-		struct nfs_open_to_lock *open_lock;
-		struct nfs_exist_lock   *exist_lock;
-	} u;
 };
 
 struct nfs_locku_opargs {
-	__u32                   seqid;
-	nfs4_stateid            stateid;
+	struct nfs_seqid *	seqid;
+	nfs4_stateid *		stateid;
 };
 
 struct nfs_lockargs {
@@ -722,7 +712,7 @@ struct nfs_rpc_ops {
 	int	(*write)   (struct nfs_write_data *);
 	int	(*commit)  (struct nfs_write_data *);
 	int	(*create)  (struct inode *, struct dentry *,
-			    struct iattr *, int);
+			    struct iattr *, int, struct nameidata *);
 	int	(*remove)  (struct inode *, struct qstr *);
 	int	(*unlink_setup)  (struct rpc_message *,
 			    struct dentry *, struct qstr *);
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 4e65eb44adfd..70191a5a148f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -94,6 +94,7 @@ struct rcu_data {
 	long  	       	batch;           /* Batch # for current RCU batch */
 	struct rcu_head *nxtlist;
 	struct rcu_head **nxttail;
+	long            count; /* # of queued items */
 	struct rcu_head *curlist;
 	struct rcu_head **curtail;
 	struct rcu_head *donelist;
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 99cad3ead81d..068e1fb0868b 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -211,6 +211,7 @@ int			xprt_reserve_xprt(struct rpc_task *task);
 int			xprt_reserve_xprt_cong(struct rpc_task *task);
 int			xprt_prepare_transmit(struct rpc_task *task);
 void			xprt_transmit(struct rpc_task *task);
+void			xprt_abort_transmit(struct rpc_task *task);
 int			xprt_adjust_timeout(struct rpc_rqst *req);
 void			xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
 void			xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);