[CRIU] Re: [PATCH cr 08/12] pipe: choose who will restore a pipe

[Pavel Emelyanov]

On 04/05/2012 03:47 PM, Andrey Vagin wrote:
> 
> Add a new function, which will be executed when all fdinfo-s
> collected.
> A pipe will be restored by a process with minimal pid and
> for descriptor with minimal number.
> 
> Signed-off-by: Andrey Vagin <avagin at openvz.org>
> ---
>  cr-restore.c    |    2 +
>  include/files.h |    1 +
>  pipes.c         |   57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 60 insertions(+), 0 deletions(-)
> 

> +	while (1) {
> +		struct fdinfo_list_entry *fle;
> +		struct pipe_info *pi, *pic, *p;
> +		int fd, pid;
> +
> +		if (list_empty(&pipes))
> +			break;
> +
> +		pi = list_first_entry(&pipes, struct pipe_info, list);
> +		list_move(&pi->list, &head);

[snip]

> +	}
> +
> +	list_splice(&head, &pipes);

Why not simple walk over pipes?