[patch 1/8] introduce hlist_move_head()

[Akinobu Mita <mita@miraclelinux.com>]

This patch introduces the function hlist_move_head().
This function deletes from one hash list and add as another's head

Signed-off-by: Akinobu Mita <mita@miraclelinux.com>

 include/linux/list.h |    5 +++++
 1 files changed, 5 insertions(+)

Index: 2.6-git/include/linux/list.h
===================================================================
--- 2.6-git.orig/include/linux/list.h
+++ 2.6-git/include/linux/list.h
@@ -656,6 +656,11 @@ static inline void hlist_add_head(struct
 	n->pprev = &h->first;
 }
 
+static inline void hlist_move_head(struct hlist_node *n, struct hlist_head *h)
+{
+	__hlist_del(n);
+	hlist_add_head(n, h);
+}
 
 /**
  * hlist_add_head_rcu - adds the specified element to the specified hlist,

--
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