Re: [PATCH] fs, proc: Introduce /proc/<pid>/task/<tid>/childrenentry v7

From: Oleg Nesterov
Date: Thu Jan 19 2012 - 13:03:28 EST


On 01/19, Cyrill Gorcunov wrote:
>
> On Thu, Jan 19, 2012 at 07:51:12PM +0400, Cyrill Gorcunov wrote:
> > If it's needed I can wrap all this with CONFIG_CHECKPOINT_RESTORE, should I?
> >
> > ---
>
> Oleg, if only I'm not missing something obvious you meant handling like below?

Yes, but...

> +struct proc_pid_children_iter {
> + struct pid_namespace *pid_ns;
> + struct pid *parent_pid;
> +};

you forgot to remove this definition.

> +static int children_seq_show(struct seq_file *seq, void *v)
> +{
> + struct inode *inode = seq->private;
> + unsigned long pid;
> +
> + pid = (unsigned long)pid_nr_ns(v, inode->i_sb->s_fs_info);
> + return seq_printf(seq, " %lu", pid);
> +}

just noticed... why unsigned long and %lu? afaics pid_t/%d should work
without any typecasts.

Oleg.

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