>> Perhaps something like this is the best?
>>
>> while (1) {
>> ret = do_something();
>> if (!ret)
>> break;
>> }
>
> Actually in this case the whole while() thing looks a bit bogus:
> it is just hammering the block layer to end the request.
>
> I guess since there is no way to return any unfinished status
> upward.
>
> True, I preserved that strange semantic, but what should we
> really do? Timeout and complain in dmesg?
>
> It just looks dangerous.
>
> Anyways let's address any issues with follow-up patches...
Agreed!
Kind regards
Uffe
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