[CRIU] Re: [PATCH 02/28] dump: open global image files with global helpers

Kinsbursky Stanislav skinsbursky at openvz.org
Fri Mar 23 08:36:59 EDT 2012


23.03.2012 16:32, Pavel Emelyanov пишет:
> On 03/23/2012 04:25 PM, Kinsbursky Stanislav wrote:
>> 22.03.2012 22:57, Pavel Emelyanov пишет:
>>> How about the pstree file? It's opened with these _glob_ helpers and
>>> thus is no longer unlinked.
>>>
>> No, it is not opened with _glob_ helpers.
> Ah, I see. It's opened with _glob_ in restore _only_:

I'll fix this.

> --- a/cr-restore.c
> +++ b/cr-restore.c
> @@ -1167,7 +1167,7 @@ static int restore_task_with_children(void *_arg)
>
>   	pr_info("%d: Starting restore\n", me->pid);
>
> -	fd = open_image_ro_nocheck(FMT_FNAME_PSTREE, pstree_pid);
> +	fd = open_glob_image_ro_nocheck(FMT_FNAME_PSTREE);
>   	if (fd<  0) {
>   		pr_perror("%d: Can't reopen pstree image", me->pid);
>   		exit(1);
>
> This is also wrong. GLobal files should be opened with _glob_ helper always.

The idea of global files was to provide some way to open the same file many 
times during dump.
Pstree image files is opened only once. I don't see any need in opening it with 
global helpers.


-- 
Best regards,
Stanislav Kinsbursky




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