[CRIU] [PATCH] Skip restoring the cgroup root directories when using full mode

[Andrew Vagin]

On Tue, Aug 25, 2015 at 06:26:08PM +0300, Andrew Vagin wrote:
> I think the idea of restoring the root directories is wrong if you don't
> dump all processes on the host... It isn't actually about this patch,
> it's abount the manage-cgroups "full" mode.

Hi Hui,

Can we skip the root directories? We can think that if we meet a root
directory, this meens that a process doesn't use this controller?

Hui and Cirill, what do you think about this idea?

> 
> On Wed, Aug 12, 2015 at 07:36:22PM +0000, Hui Kang wrote:
> > Signed-off-by: Hui Kang <hkang.sunysb at gmail.com>
> > ---
> >  cgroup.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/cgroup.c b/cgroup.c
> > index a4e0146..51348ca 100644
> > --- a/cgroup.c
> > +++ b/cgroup.c
> > @@ -992,6 +992,10 @@ static int prepare_cgroup_dir_properties(char *path, int off, CgroupDirEntry **e
> >  		CgroupDirEntry *e = ents[i];
> >  		size_t off2 = off;
> >  
> > +		if (strcmp(e->dir_name, "") ==0)  {
> > +			continue;
> > +		}
> > +
> >  		off2 += sprintf(path + off, "/%s", e->dir_name);
> >  		if (e->n_properties > 0) {
> >  			for (j = 0; j < e->n_properties; ++j) {
> > -- 
> > 1.9.1
> > 
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