Last tcp_write_queue_head() use was removed in commit
114f39feab36 ("tcp: restore autocorking"), so remove it.

Signed-off-by: Tao Chen <chentao3@hotmail.com>
---
 include/net/tcp.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index b9fc978fb2ca..a4cebb7f6f9b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1817,11 +1817,6 @@ static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
 	return skb_rb_last(&sk->tcp_rtx_queue);
 }
 
-static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
-{
-	return skb_peek(&sk->sk_write_queue);
-}
-
 static inline struct sk_buff *tcp_write_queue_tail(const struct sock *sk)
 {
 	return skb_peek_tail(&sk->sk_write_queue);
-- 
2.17.1

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Tue,  1 Mar 2022 06:35:42 -0800 you wrote:
> Last tcp_write_queue_head() use was removed in commit
> 114f39feab36 ("tcp: restore autocorking"), so remove it.
> 
> Signed-off-by: Tao Chen <chentao3@hotmail.com>
> ---
>  include/net/tcp.h | 5 -----
>  1 file changed, 5 deletions(-)

Here is the summary with links:
  - [v2] tcp: Remove the unused api
    https://git.kernel.org/netdev/net-next/c/42f0c1934c7c

You are awesome, thank you!
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