[CRIU] [PATCH 1/2] cg: add --cgroup-root option

[Pavel Emelyanov]

On 08/16/2014 02:02 AM, Tycho Andersen wrote:
> The motivation for this is to be able to restore containers into cgroups other
> than what they were dumped in (if, e.g. they might conflict with an existing
> container). Suppose you have a container in:
> 
> memory:/mycontainer
> cpuacct,cpu:/mycontainer
> blkio:/mycontainer
> name=systemd:/mycontainer
> 
> You could then restore them to /mycontainer2 via --cgroup-root /mycontainer2.
> If you want to restore different controllers to different paths, you can
> provide multiple arguments, for example, passing:
> 
> --cgroup-root /mycontainer2 --cgroup-root cpuacct,cpu:/specialcpu \
> --cgroup-root name=systemd:/specialsystemd
> 
> Would result in things being restored to:
> 
> memory:/mycontainer2
> cpuacct,cpu:/specialcpu
> blkio:/mycontainer2
> name=systemd:/specialsystemd
> 
> i.e. a --cgroup-root without a controller prefix specifies the new default root
> for all cgroups.
> 
> Signed-off-by: Tycho Andersen <tycho.andersen at canonical.com>

Both applied, thanks!