netns: make nsid_lock per net
authorWANG Cong <xiyou.wangcong@gmail.com>
Fri, 15 May 2015 21:47:32 +0000 (14:47 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 May 2015 03:41:11 +0000 (23:41 -0400)
commitde133464c9e70808d3e5a861294bc55940988178
treee39d1ddfa88dba0fa77a908513b392648c7e5bda
parent4ab7f9138147efbb3efab32a51a8da646769d740
netns: make nsid_lock per net

The spinlock is used to protect netns_ids which is per net,
so there is no need to use a global spinlock.

Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/net_namespace.h
net/core/net_namespace.c