Re: [Drbd-dev] [PATCH 1/2] exec: refactor how call_usermodehelper works, and update the sense of the core_pipe recursion check (v3)

[Oleg Nesterov <oleg@redhat.com>]

On 02/02, Neil Horman wrote:
>
> +void call_usermodehelper_setfns(struct subprocess_info *info,
> +		    int (*init)(struct subprocess_info *info),
> +		    void (*cleanup)(struct subprocess_info *info),
> +		    void *data);
> ...
> +call_usermodehelper_fns(char *path, char **argv, char **envp,
> +		    enum umh_wait wait,
> +		    int (*init)(struct subprocess_info *info),
> +		    void (*cleanup)(struct subprocess_info *), void *data)
> ...
> +	call_usermodehelper_setfns(info, init, cleanup, data);
>  	return call_usermodehelper_exec(info, wait);
>  }

Unless I misread the patch, this is the only caller of _setfns(), and
this helper is really trivial and probably deserves to be inline. But
this is very minor.

Personally I think these patches are nice. Not only this series adds
the new functionality, in my opinion it also cleanups and simplifies
the code.

Oleg.