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net: fib_notifier: make FIB notifier per-netns

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Currently all users of FIB notifier only cares about events in init_net.
Later in this patchset, users get interested in other namespaces too.
However, for every registered block user is interested only about one
namespace. Make the FIB notifier registration per-netns and avoid
unnecessary calls of notifier block for other namespaces.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-10-03 11:49:27 +02:00
committed by David S. Miller
parent a5facc4cac
commit 7c550daffe
15 changed files with 76 additions and 103 deletions
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4
net/ipv4/fib_notifier.c
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@@ -9,12 +9,12 @@
#include <net/netns/ipv4.h>
#include <net/ip_fib.h>
int call_fib4_notifier(struct notifier_block *nb, struct net *net,
int call_fib4_notifier(struct notifier_block *nb,
enum fib_event_type event_type,
struct fib_notifier_info *info)
{
info->family = AF_INET;
return call_fib_notifier(nb, net, event_type, info);
return call_fib_notifier(nb, event_type, info);
}
int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,