Re: [Containers] [PATCH 2/7] pid: Add do_each_pid_task

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Quoting Eric W. Biederman ([email protected]):
> To avoid pid rollover confusion the kernel needs to work with
> struct pid * instead of pid_t.  Currently there is not an iterator
> that walks through all of the tasks of a given pid type starting
> with a struct pid.  This prevents us replacing some pid_t instances
> with struct pid.  So this patch adds do_each_pid_task which walks
> through the set of task for a given pid type starting with a struct pid.
> 
> Signed-off-by: Eric W. Biederman <[email protected]>
> ---
>  include/linux/pid.h |   13 +++++++++++++
>  1 files changed, 13 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/pid.h b/include/linux/pid.h
> index 93da7e2..4007114 100644
> --- a/include/linux/pid.h
> +++ b/include/linux/pid.h
> @@ -118,4 +118,17 @@ #define while_each_task_pid(who, type, t
>  				1; }) );				\
>  	}
>  
> +#define do_each_pid_task(pid, type, task)				\

Hmm, defining do_each_pid_task right after do_each_task_pid could result
in some frustration  :)

Though not sure of a better name - do_each_task_structpid?

-serge
-
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