Re: [PATCH 1/2] bfq: remove some useless logic of bfq_update_next_in_service()

[Jens Axboe]

On 2/10/21 8:20 AM, Oleksandr Natalenko wrote:
> On Wed, Feb 10, 2021 at 12:13:29PM +0100, Paolo Valente wrote:
>>
>>
>>> Il giorno 29 gen 2021, alle ore 11:51, Chunguang Xu <brookxu.cn@xxxxxxxxx> ha scritto:
>>>
>>> From: Chunguang Xu <brookxu@xxxxxxxxxxx>
>>>
>>> The if statement at the end of the function is obviously useless,
>>> maybe we can delete it.
>>>
>>
>> Thanks for spotting this mistake.
>>
>> Acked-by: Paolo Valente <paolo.valente@xxxxxxxxxx>
>>
>>> Signed-off-by: Chunguang Xu <brookxu@xxxxxxxxxxx>
>>> ---
>>> block/bfq-wf2q.c | 3 ---
>>> 1 file changed, 3 deletions(-)
>>>
>>> diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
>>> index 26776bd..070e34a 100644
>>> --- a/block/bfq-wf2q.c
>>> +++ b/block/bfq-wf2q.c
>>> @@ -137,9 +137,6 @@ static bool bfq_update_next_in_service(struct bfq_sched_data *sd,
>>>
>>> 	sd->next_in_service = next_in_service;
>>>
>>> -	if (!next_in_service)
>>> -		return parent_sched_may_change;
>>> -
> 
> Unless I'm missing something, this has already been fixed here:
> 
> https://git.kernel.dk/cgit/linux-block/commit/?h=for-5.12/block&id=1a23e06cdab2be07cbda460c6417d7de564c48e6

Yep indeed.

-- 
Jens Axboe