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[SKB]: __skb_queue_after(prev) = __skb_insert(prev, prev->next)

By reordering, __skb_queue_after() is expressed in terms of __skb_insert().

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerrit Renker 2008-04-14 00:04:51 -07:00 committed by David S. Miller
parent f525c06d12
commit bf29927588
1 changed files with 12 additions and 22 deletions

View File

@ -663,11 +663,21 @@ static inline void skb_queue_head_init_class(struct sk_buff_head *list,
}
/*
* Insert an sk_buff at the start of a list.
* Insert an sk_buff on a list.
*
* The "__skb_xxxx()" functions are the non-atomic ones that
* can only be called with interrupts disabled.
*/
extern void skb_insert(struct sk_buff *old, struct sk_buff *newsk, struct sk_buff_head *list);
static inline void __skb_insert(struct sk_buff *newsk,
struct sk_buff *prev, struct sk_buff *next,
struct sk_buff_head *list)
{
newsk->next = next;
newsk->prev = prev;
next->prev = prev->next = newsk;
list->qlen++;
}
/**
* __skb_queue_after - queue a buffer at the list head
@ -684,13 +694,7 @@ static inline void __skb_queue_after(struct sk_buff_head *list,
struct sk_buff *prev,
struct sk_buff *newsk)
{
struct sk_buff *next;
list->qlen++;
next = prev->next;
newsk->next = next;
newsk->prev = prev;
next->prev = prev->next = newsk;
__skb_insert(newsk, prev, prev->next, list);
}
/**
@ -734,20 +738,6 @@ static inline void __skb_queue_tail(struct sk_buff_head *list,
next->prev = prev->next = newsk;
}
/*
* Insert a packet on a list.
*/
extern void skb_insert(struct sk_buff *old, struct sk_buff *newsk, struct sk_buff_head *list);
static inline void __skb_insert(struct sk_buff *newsk,
struct sk_buff *prev, struct sk_buff *next,
struct sk_buff_head *list)
{
newsk->next = next;
newsk->prev = prev;
next->prev = prev->next = newsk;
list->qlen++;
}
/*
* Place a packet after a given packet in a list.
*/