Messages in this thread | | | Date | Wed, 30 Apr 2008 20:13:41 -0700 | From | Greg KH <> | Subject | Re: [PATCH 00/10] sysfs tagged directories |
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On Tue, Apr 29, 2008 at 02:34:17PM -0500, Serge E. Hallyn wrote: > Finally, to give an idea about how the trees end up looking, here is > what I just did on my test box; > > /usr/sbin/ip link add type veth > mount --bind /mnt /mnt > mkdir /mnt/sys > mount --make-shared /mnt > ns_exec -cmn /bin/sh # unshare netns and mounts ns > # At this point, I still see eth0 and friends under /sys/class/net etc > mount -t sysfs none /sys > # At this point, /sys/class/net has only lo0 and sit0, and > # /sys/devices/pci0000:00/0000:00:03.0/net:eth0 is a dead link > mount --bind /sys /mnt/sys > echo $$ > 3050 > > (back in another shell): > /usr/sbin/ip link set veth1 netns 3050 > > (back in container shell): > /usr/sbin/ip link set veth1 name eth0 > # Now /sys/devices/pci0000:00/0000:00:03.0/net:eth0 is a live link to > # the /sys/class/net/eth0 which is really the original veth1 > exit > > ls /mnt/sys/class/net > # empty directory
What does this all look like without CONFIG_SYSFS_DEPRECATED enabled, which is what all sane distros do these days. That's going to change the look of the tree for stuff like this a lot I think...
thanks,
greg k-h
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