[LTP] [PATCH] cgroup_dir_mk: set the umask to '0' before creating the subdir

[Petr Vorel]

Hi Li, Wei,

...
> > Notes:
> >     Hi Wei, can you help confirm if this patch works for you?

> @Li I have tested your patch and it can work.
> @Li @Petr Thanks for your patch and comments, i suppose this patch can be merged.

I added Wei's RBT and TBT and merged.
Thank to you both!

Kind regards,
Petr