Re: [PATCH 07/18] io_uring: support for IO polling

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On 1/29/19 11:31 AM, Jens Axboe wrote:
>> The code looks a little clumsy to me.  Why not:
>>
>> 	while (!list_empty(&ctx->poll_list)) {
>> 		int ret = io_do_iopoll(ctx, nr_events, min);
>> 		if (ret)
>> 			return ret;
>>
>> 		if (!min || *nr_events >= min)
>> 			return 0;
>> 	}
>>
>> 	return 1;
> 
> I think you messed up the 0/1 here, how about this:
> 
> 	while (!list_empty(&ctx->poll_list)) {
> 		int ret;
> 
> 		ret = io_do_iopoll(ctx, nr_events, min);
> 		if (ret < 0)
> 			return ret;
> 		if (!min || *nr_events >= min)
> 			return 1;
> 	}
> 
> 	return 0;

Or I did... I think yours is correct.

-- 
Jens Axboe




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