[PATCH 05/12 v2 RFC] skbuff: replace sock_zerocopy_put() with skb_zcopy_put()

[Jonathan Lemon]

From: Jonathan Lemon <b...@fb.com>

Replace sock_zerocopy_put with the generic skb_zcopy_put()
function.  Pass 'true' as the success argument, as this
is identical to no change.

Signed-off-by: Jonathan Lemon <jonathan.le...@gmail.com>
---
 include/linux/skbuff.h | 7 ++++++-
 net/core/skbuff.c      | 9 +--------
 net/ipv4/tcp.c         | 2 +-
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c9d7de9d624d..238166b522f7 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -499,7 +499,6 @@ static inline void sock_zerocopy_get(struct ubuf_info *uarg)
        refcount_inc(&uarg->refcnt);
 }
 
-void sock_zerocopy_put(struct ubuf_info *uarg);
 void sock_zerocopy_put_abort(struct ubuf_info *uarg, bool have_uref);
 
 void sock_zerocopy_callback(struct ubuf_info *uarg, bool success);
@@ -1474,6 +1473,12 @@ static inline void *skb_zcopy_get_nouarg(struct sk_buff 
*skb)
        return (void *)((uintptr_t) skb_shinfo(skb)->destructor_arg & ~0x1UL);
 }
 
+static inline void skb_zcopy_put(struct ubuf_info *uarg)
+{
+       if (uarg)
+               uarg->callback(uarg, true);
+}
+
 /* Release a reference on a zerocopy structure */
 static inline void skb_zcopy_clear(struct sk_buff *skb, bool zerocopy)
 {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 73699dbdc4a1..984760dd670b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1251,13 +1251,6 @@ void sock_zerocopy_callback(struct ubuf_info *uarg, bool 
success)
 }
 EXPORT_SYMBOL_GPL(sock_zerocopy_callback);
 
-void sock_zerocopy_put(struct ubuf_info *uarg)
-{
-       if (uarg)
-               uarg->callback(uarg, uarg->zerocopy);
-}
-EXPORT_SYMBOL_GPL(sock_zerocopy_put);
-
 void sock_zerocopy_put_abort(struct ubuf_info *uarg, bool have_uref)
 {
        if (uarg) {
@@ -1267,7 +1260,7 @@ void sock_zerocopy_put_abort(struct ubuf_info *uarg, bool 
have_uref)
                uarg->len--;
 
                if (have_uref)
-                       sock_zerocopy_put(uarg);
+                       skb_zcopy_put(uarg);
        }
 }
 EXPORT_SYMBOL_GPL(sock_zerocopy_put_abort);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index fea9bae370e4..5c38080df13f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1429,7 +1429,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr 
*msg, size_t size)
                tcp_push(sk, flags, mss_now, tp->nonagle, size_goal);
        }
 out_nopush:
-       sock_zerocopy_put(uarg);
+       skb_zcopy_put(uarg);
        return copied + copied_syn;
 
 do_error:
-- 
2.24.1