[PATCH 5/5] blk-mq: Drop 'reserved' member of busy_tag_iter_fn

Bart Van Assche bvanassche at acm.org
Fri Jun 17 09:55:34 PDT 2022


On 6/17/22 09:42, John Garry wrote:
> On 17/06/2022 17:33, Bart Van Assche wrote:
>> On 6/17/22 03:55, John Garry wrote:
>>> @@ -276,7 +275,7 @@ static bool bt_iter(struct sbitmap *bitmap, 
>>> unsigned int bitnr, void *data)
>>>       else
>>>           tags = hctx->tags;
>>> -    if (!reserved)
>>> +    if (!iter_data->reserved)
>>>           bitnr += tags->nr_reserved_tags;
>>>       /*
>>>        * We can hit rq == NULL here, because the tagging functions
>>
>> Is the above change really necessary?
> 
> It's not totally necessary. Since local variable 'reserved' would now 
> only be used once I thought it was better to get rid of it.
> 
> I can keep it if you really think that is better.

I'd prefer that these changes are either left out or that these are 
moved into a separate patch. I think that will make this patch series 
easier to review.

Thanks,

Bart.



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