linux-kernel - Re: [PATCH 7/8] netns: Enable tagging for net

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Message-Id: <20080820.234719.243864265.davem@davemloft.net>
Date:	Wed, 20 Aug 2008 23:47:19 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ebiederm@...ssion.com
Cc:	greg@...ah.com, gregkh@...e.de, akpm@...ux-foundation.org,
	htejun@...il.com, dlezcano@...ibm.com,
	linux-kernel@...r.kernel.org, viro@....linux.org.uk,
	containers@...ts.osdl.org, benjamin.thery@...l.net,
	netdev@...r.kernel.org
Subject: Re: [PATCH 7/8] netns: Enable tagging for net_class directories in
 sysfs

From: ebiederm@...ssion.com (Eric W. Biederman)
Date: Wed, 20 Aug 2008 23:39:13 -0700

> 
> The problem.  Network devices show up in sysfs and with the network
> namespace active multiple devices with the same name can show up in
> the same directory, ouch!
> 
> To avoid that problem and allow existing applications in network namespaces
> to see the same interface that is currently presented in sysfs, this
> patch enables the tagging directory support in sysfs.
> 
> By using the network namespace pointers as tags to separate out the
> the sysfs directory entries we ensure that we don't have conflicts
> in the directories and applications only see a limited set of
> the network devices.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>

Acked-by: David S. Miller <davem@...emloft.net>
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