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[NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS.

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Introduce per-sock inlines: sock_net(), sock_net_set()
and per-inet_timewait_sock inlines: twsk_net(), twsk_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki
2008-03-26 02:26:21 +09:00
parent c346dca108
commit 3b1e0a655f
69 changed files with 253 additions and 215 deletions
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4
net/socket.c
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@ -857,7 +857,7 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
sock = file->private_data;
sk = sock->sk;
net = sk->sk_net;
net = sock_net(sk);
if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
err = dev_ioctl(net, cmd, argp);
} else
@ -1375,7 +1375,7 @@ asmlinkage long sys_listen(int fd, int backlog)
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock) {
somaxconn = sock->sk->sk_net->sysctl_somaxconn;
somaxconn = sock_net(sock->sk)->sysctl_somaxconn;
if ((unsigned)backlog > somaxconn)
backlog = somaxconn;