Re: [PATCH 4/9] [RFC] Allow cgroup hierarchies to be created with no bound subsystems

[Paul Menage <menage@google.com>]

OK, updated for the next version of these patches.

Thanks,

Paul

On Fri, Jul 3, 2009 at 12:57 AM, Li Zefan<lizf@cn.fujitsu.com> wrote:
>> +#define MAX_TASKS_SHOWN_PER_CSS 25
>> +static int cgroup_css_links_read(struct cgroup *cont,
>> +                              struct cftype *cft,
>> +                              struct seq_file *seq)
>> +{
>> +     struct cg_cgroup_link *link, *saved_link;
>
> need a newline
>
>> +     write_lock_irq(&css_set_lock);
>
> can be read_lock(&css_set_lock);
>
>> +     list_for_each_entry_safe(link, saved_link, &cont->css_sets,
>
> can be list_for_each_entry()
>
>> +                              cgrp_link_list) {
>> +             struct css_set *cg = link->cg;
>> +             struct task_struct *task, *saved_task;
>> +             int count = 0;
>> +             seq_printf(seq, "css_set %p\n", cg);
>> +             list_for_each_entry_safe(task, saved_task, &cg->tasks,
>
> ditto
>
>> +                                      cg_list) {
>> +                     if (count++ > MAX_TASKS_SHOWN_PER_CSS) {
>> +                             seq_puts(seq, "  ...\n");
>> +                             break;
>> +                     } else {
>> +                             seq_printf(seq, "  task %d\n",
>> +                                        task_pid_vnr(task));
>> +                     }
>> +             }
>> +     }
>> +     write_unlock_irq(&css_set_lock);
>> +     return 0;
>> +}
>