Commit f039e184 authored by Kirill Tkhai's avatar Kirill Tkhai Committed by David S. Miller

net: Convert proc_net_ns_ops

This patch starts to convert pernet_subsys, registered
before initcalls.

proc_net_ns_ops::proc_net_ns_init()/proc_net_ns_exit()
{un,}register pernet net->proc_net and ->proc_net_stat.

Constructors and destructors of another pernet_operations
are not interested in foreign net's proc_net and proc_net_stat.
Proc filesystem privitives are synchronized on proc_subdir_lock.

So, proc_net_ns_ops methods are able to be executed
in parallel with methods of any other pernet operations.
Signed-off-by: default avatarKirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: default avatarAndrei Vagin <avagin@virtuozzo.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 447cd7a0
...@@ -237,6 +237,7 @@ static __net_exit void proc_net_ns_exit(struct net *net) ...@@ -237,6 +237,7 @@ static __net_exit void proc_net_ns_exit(struct net *net)
static struct pernet_operations __net_initdata proc_net_ns_ops = { static struct pernet_operations __net_initdata proc_net_ns_ops = {
.init = proc_net_ns_init, .init = proc_net_ns_init,
.exit = proc_net_ns_exit, .exit = proc_net_ns_exit,
.async = true,
}; };
int __init proc_net_init(void) int __init proc_net_init(void)
......
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