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[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.

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Introduce per-net_device inlines: dev_net(), dev_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
2008-03-25 21:47:49 +09:00
parent 7cbca67c07
commit c346dca108
87 changed files with 251 additions and 228 deletions
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12
net/ipv4/fib_frontend.c
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@@ -257,7 +257,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
if (in_dev == NULL)
goto e_inval;
net = dev->nd_net;
net = dev_net(dev);
if (fib_lookup(net, &fl, &res))
goto last_resort;
if (res.type != RTN_UNICAST)
@@ -674,7 +674,7 @@ out:
static void fib_magic(int cmd, int type, __be32 dst, int dst_len, struct in_ifaddr *ifa)
{
struct net *net = ifa->ifa_dev->dev->nd_net;
struct net *net = dev_net(ifa->ifa_dev->dev);
struct fib_table *tb;
struct fib_config cfg = {
.fc_protocol = RTPROT_KERNEL,
@@ -801,15 +801,15 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
fib_magic(RTM_DELROUTE, RTN_LOCAL, ifa->ifa_local, 32, prim);
/* Check, that this local address finally disappeared. */
if (inet_addr_type(dev->nd_net, ifa->ifa_local) != RTN_LOCAL) {
if (inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
/* And the last, but not the least thing.
We must flush stray FIB entries.
First of all, we scan fib_info list searching
for stray nexthop entries, then ignite fib_flush.
*/
if (fib_sync_down_addr(dev->nd_net, ifa->ifa_local))
fib_flush(dev->nd_net);
if (fib_sync_down_addr(dev_net(dev), ifa->ifa_local))
fib_flush(dev_net(dev));
}
}
#undef LOCAL_OK
@@ -899,7 +899,7 @@ static void nl_fib_lookup_exit(struct net *net)
static void fib_disable_ip(struct net_device *dev, int force)
{
if (fib_sync_down_dev(dev, force))
fib_flush(dev->nd_net);
fib_flush(dev_net(dev));
rt_cache_flush(0);
arp_ifdown(dev);
}