[PATCH 6/5] llist: Add llist_next()

[Peter Zijlstra <peterz@infradead.org>]

Subject: llist: Add llist_next()
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon Sep 12 13:12:28 CEST 2011

So we don't have to expose the struct list_node members

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
 include/linux/llist.h |    5 +++++
 kernel/irq_work.c     |    2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
Index: linux-2.6/include/linux/llist.h
===================================================================
--- linux-2.6.orig/include/linux/llist.h
+++ linux-2.6/include/linux/llist.h
@@ -144,6 +144,11 @@ static inline bool llist_empty(const str
 	return ACCESS_ONCE(head->first) == NULL;
 }
 
+static inline struct llist_node *llist_next(struct llist_node *node)
+{
+	return node->next;
+}
+
 /**
  * llist_add - add a new entry
  * @new:	new entry to be added
Index: linux-2.6/kernel/irq_work.c
===================================================================
--- linux-2.6.orig/kernel/irq_work.c
+++ linux-2.6/kernel/irq_work.c
@@ -110,7 +110,7 @@ void irq_work_run(void)
 	while (llnode != NULL) {
 		work = llist_entry(llnode, struct irq_work, llnode);
 
-		llnode = llnode->next;
+		llnode = llist_next(llnode);
 
 		/*
 		 * Clear the PENDING bit, after this point the @work