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Date:	Mon, 30 Nov 2009 00:25:26 -0800
From:	"Eric W. Biederman" <ebiederm@...ssion.com>
To:	David Miller <davem@...emloft.net>
Cc:	<netdev@...r.kernel.org>, jamal <hadi@...erus.ca>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Patrick McHardy <kaber@...sh.net>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: [PATCH 02/20] net: Implement for_each_netdev_reverse.

From: Eric W. Biederman <ebiederm@...ssion.com>

I will need this shortly to implement network namespace shutdown
batching.  For sanity sake network devices should be removed in
the reverse order they were created in.

Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
---
 include/linux/netdevice.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9428793..daf13d3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1112,6 +1112,8 @@ extern rwlock_t				dev_base_lock;		/* Device list lock */
 
 #define for_each_netdev(net, d)		\
 		list_for_each_entry(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_reverse(net, d)	\
+		list_for_each_entry_reverse(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_rcu(net, d)		\
 		list_for_each_entry_rcu(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_safe(net, d, n)	\
-- 
1.6.5.2.143.g8cc62

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