Re: [PATCH 2/2] cpuset: use cgroup_path() in proc_cpuset_show()

From: Paul Menage
Date: Fri Nov 21 2008 - 13:57:19 EST


On Fri, Nov 21, 2008 at 12:49 AM, Lai Jiangshan <laijs@xxxxxxxxxxxxxx> wrote:
>
> use cgroup_path() instead of
> task_subsys_state(tsk, cpuset_subsys_id)->cgroup

You mean:

use task_cgroup() instead of task_subsys_state()->cgroup

>
> Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
> ---
> diff --git a/kernel/cpuset.c b/kernel/cpuset.c
> index 3e00526..e0e087e 100644
> --- a/kernel/cpuset.c
> +++ b/kernel/cpuset.c
> @@ -2387,7 +2386,7 @@ static int proc_cpuset_show(struct seq_file *m, void *unused_v)
> struct pid *pid;
> struct task_struct *tsk;
> char *buf;
> - struct cgroup_subsys_state *css;
> + struct cgroup *cgp;
> int retval;
>
> retval = -ENOMEM;
> @@ -2403,8 +2402,8 @@ static int proc_cpuset_show(struct seq_file *m, void *unused_v)
>
> retval = -EINVAL;
> cgroup_lock();
> - css = task_subsys_state(tsk, cpuset_subsys_id);
> - retval = cgroup_path(css->cgroup, buf, PAGE_SIZE);
> + cgp = task_cgroup(tsk, cpuset_subsys_id);
> + retval = cgroup_path(cgp, buf, PAGE_SIZE);
> if (retval < 0)
> goto out_unlock;
> seq_puts(m, buf);
>
>
>
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