Re: [PATCH 5/9] block/mq-deadline: Improve compile-time argument checking

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On 5/26/21 8:24 PM, Damien Le Moal wrote:
> On 2021/05/27 10:02, Bart Van Assche wrote:
>> +enum dd_data_dir {
>> +	DD_READ		= READ,
>> +	DD_WRITE	= WRITE,
>> +} __packed;
> 
> Why the "__packed" here ?

I agree that using __packed here does not have any advantage. I will
leave it out.

>> +
>> +enum { DD_DIR_COUNT = 2 };
> 
> Why not a simple #define for this one ?

I only use the C preprocessor if there is no other solution. As far as I
know there are no rules in the kernel coding style guidelines with
regard whether to use a #define or an enum to define a constant?

Thanks,

Bart.



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