Re: [PATCH] Make /proc/net a symlink on /proc/self/net (v2)

[Christoph Hellwig]

On Thu, Mar 06, 2008 at 12:18:02PM +0300, Pavel Emelyanov wrote:
> Current /proc/net is done with so called "shadows", but current
> implementation is broken and has little chances to get fixed.
> 
> The problem is that dentries subtree of /proc/net directory has
> fancy revalidation rules to make processes living in different
> net namespaces see different entries in /proc/net subtree, but
> currently, tasks see in the /proc/net subdir the contents of any
> other namespace, depending on who opened the file first.
> 
> The proposed fix is to turn /proc/net into a symlink, which points
> to /proc/self/net, which in turn shows what previously was in
> /proc/net - the network-related info, from the net namespace the
> appropriate task lives in.

Yes, that's a much better way to get this functionality.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/