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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
Download patch file Download diff file Expand all files Collapse all files

20
net/unix/af_unix.c
View file

@ -252,7 +252,7 @@ static struct sock *__unix_find_socket_byname(struct net *net,
sk_for_each(s, node, &unix_socket_table[hash ^ type]) {
struct unix_sock *u = unix_sk(s);
if (s->sk_net != net)
if (sock_net(s) != net)
continue;
if (u->addr->len == len &&
@ -289,7 +289,7 @@ static struct sock *unix_find_socket_byinode(struct net *net, struct inode *i)
&unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
struct dentry *dentry = unix_sk(s)->dentry;
if (s->sk_net != net)
if (sock_net(s) != net)
continue;
if(dentry && dentry->d_inode == i)
@ -654,7 +654,7 @@ static int unix_release(struct socket *sock)
static int unix_autobind(struct socket *sock)
{
struct sock *sk = sock->sk;
struct net *net = sk->sk_net;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
static u32 ordernum = 1;
struct unix_address * addr;
@ -758,7 +758,7 @@ fail:
static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
struct net *net = sk->sk_net;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr=(struct sockaddr_un *)uaddr;
struct dentry * dentry = NULL;
@ -899,7 +899,7 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr,
int alen, int flags)
{
struct sock *sk = sock->sk;
struct net *net = sk->sk_net;
struct net *net = sock_net(sk);
struct sockaddr_un *sunaddr=(struct sockaddr_un*)addr;
struct sock *other;
unsigned hash;
@ -996,7 +996,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
{
struct sockaddr_un *sunaddr=(struct sockaddr_un *)uaddr;
struct sock *sk = sock->sk;
struct net *net = sk->sk_net;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk), *newu, *otheru;
struct sock *newsk = NULL;
struct sock *other = NULL;
@ -1025,7 +1025,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
err = -ENOMEM;
/* create new sock for complete connection */
newsk = unix_create1(sk->sk_net, NULL);
newsk = unix_create1(sock_net(sk), NULL);
if (newsk == NULL)
goto out;
@ -1312,7 +1312,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
{
struct sock_iocb *siocb = kiocb_to_siocb(kiocb);
struct sock *sk = sock->sk;
struct net *net = sk->sk_net;
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr=msg->msg_name;
struct sock *other = NULL;
@ -2022,7 +2022,7 @@ static struct sock *unix_seq_idx(struct unix_iter_state *iter, loff_t pos)
struct sock *s;
for (s = first_unix_socket(&iter->i); s; s = next_unix_socket(&iter->i, s)) {
if (s->sk_net != iter->p.net)
if (sock_net(s) != iter->p.net)
continue;
if (off == pos)
return s;
@ -2050,7 +2050,7 @@ static void *unix_seq_next(struct seq_file *seq, void *v, loff_t *pos)
sk = first_unix_socket(&iter->i);
else
sk = next_unix_socket(&iter->i, sk);
while (sk && (sk->sk_net != iter->p.net))
while (sk && (sock_net(sk) != iter->p.net))
sk = next_unix_socket(&iter->i, sk);
return sk;
}