tcp: remove TCP_OFF and TCP_PAGE macros
Eric Dumazet [Mon, 5 Dec 2011 01:07:15 +0000 (01:07 +0000)]
As mentioned by Joe Perches, TCP_OFF() and TCP_PAGE() macros are
useless.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/tcp.c

index a09fe25..43dfccc 100644 (file)
@@ -888,9 +888,6 @@ int tcp_sendpage(struct sock *sk, struct page *page, int offset,
 }
 EXPORT_SYMBOL(tcp_sendpage);
 
-#define TCP_PAGE(sk)   (sk->sk_sndmsg_page)
-#define TCP_OFF(sk)    (sk->sk_sndmsg_off)
-
 static inline int select_size(const struct sock *sk, bool sg)
 {
        const struct tcp_sock *tp = tcp_sk(sk);
@@ -1008,13 +1005,13 @@ new_segment:
                        } else {
                                int merge = 0;
                                int i = skb_shinfo(skb)->nr_frags;
-                               struct page *page = TCP_PAGE(sk);
+                               struct page *page = sk->sk_sndmsg_page;
                                int off;
 
                                if (page && page_count(page) == 1)
-                                       TCP_OFF(sk) = 0;
+                                       sk->sk_sndmsg_off = 0;
 
-                               off = TCP_OFF(sk);
+                               off = sk->sk_sndmsg_off;
 
                                if (skb_can_coalesce(skb, i, page, off) &&
                                    off != PAGE_SIZE) {
@@ -1031,7 +1028,7 @@ new_segment:
                                } else if (page) {
                                        if (off == PAGE_SIZE) {
                                                put_page(page);
-                                               TCP_PAGE(sk) = page = NULL;
+                                               sk->sk_sndmsg_page = page = NULL;
                                                off = 0;
                                        }
                                } else
@@ -1057,9 +1054,9 @@ new_segment:
                                        /* If this page was new, give it to the
                                         * socket so it does not get leaked.
                                         */
-                                       if (!TCP_PAGE(sk)) {
-                                               TCP_PAGE(sk) = page;
-                                               TCP_OFF(sk) = 0;
+                                       if (!sk->sk_sndmsg_page) {
+                                               sk->sk_sndmsg_page = page;
+                                               sk->sk_sndmsg_off = 0;
                                        }
                                        goto do_error;
                                }
@@ -1069,15 +1066,15 @@ new_segment:
                                        skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);
                                } else {
                                        skb_fill_page_desc(skb, i, page, off, copy);
-                                       if (TCP_PAGE(sk)) {
+                                       if (sk->sk_sndmsg_page) {
                                                get_page(page);
                                        } else if (off + copy < PAGE_SIZE) {
                                                get_page(page);
-                                               TCP_PAGE(sk) = page;
+                                               sk->sk_sndmsg_page = page;
                                        }
                                }
 
-                               TCP_OFF(sk) = off + copy;
+                               sk->sk_sndmsg_off = off + copy;
                        }
 
                        if (!copied)