[CRIU] [PATCH] mount: Don't create kids with CLONE_NEWNS

[Andrey Vagin]

On Wed, May 07, 2014 at 03:15:37PM +0400, Pavel Emelyanov wrote:
> We explicitly setns() every single task by hands when restoring
> mount namespaces, they can be created without the NEWNS flag.
> 
> Signed-off-by: Pavel Emelyanov <xemul at parallels.com>

Acked-by: Andrey Vagin <avagin at parallels.com>

Thanks.

> 
> ---
> 
> diff --git a/pstree.c b/pstree.c
> index 0c9167a..d005b64 100644
> --- a/pstree.c
> +++ b/pstree.c
> @@ -662,6 +662,14 @@ static int prepare_pstree_kobj_ids(void)
>  
>  set_mask:
>  		item->rst->clone_flags = cflags;
> +		if (parent)
> +			/*
> +			 * Mount namespaces are setns()-ed at
> +			 * restore_task_mnt_ns() explicitly,
> +			 * no need in creating it with its own
> +			 * temporary namespace
> +			 */
> +			item->rst->clone_flags &= ~CLONE_NEWNS;
>  
>  		cflags &= CLONE_ALLNS;
>