[TCP]: Abstract out all write queue operations.

This allows the write queue implementation to be changed,
for example, to one which allows fast interval searching.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 21 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index 9583639090d2..2974bacc8850 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -710,15 +710,6 @@ static inline void sk_stream_mem_reclaim(struct sock *sk)
                 __sk_stream_mem_reclaim(sk);
 }
 
-static inline void sk_stream_writequeue_purge(struct sock *sk)
-{
-        struct sk_buff *skb;
-
-        while ((skb = __skb_dequeue(&sk->sk_write_queue)) != NULL)
-                sk_stream_free_skb(sk, skb);
-        sk_stream_mem_reclaim(sk);
-}
-
 static inline int sk_stream_rmem_schedule(struct sock *sk, struct sk_buff *skb)
 {
         return (int)skb->truesize <= sk->sk_forward_alloc ||
@@ -1256,18 +1247,6 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk)
         return page;
 }
 
-#define sk_stream_for_retrans_queue(skb, sk)                            \
-                for (skb = (sk)->sk_write_queue.next;                   \
-                     (skb != (sk)->sk_send_head) &&                     \
-                     (skb != (struct sk_buff *)&(sk)->sk_write_queue);  \
-                     skb = skb->next)
-
-/*from STCP for fast SACK Process*/
-#define sk_stream_for_retrans_queue_from(skb, sk)                       \
-                for (; (skb != (sk)->sk_send_head) &&                   \
-                     (skb != (struct sk_buff *)&(sk)->sk_write_queue);  \
-                     skb = skb->next)
-
 /*
  *      Default write policy as shown to user space via poll/select/SIGIO
  */