Re: [PATCH RESEND v2 5/5] sbitmap: correct wake_batch recalculation to avoid potential IO hung

[Kemeng Shi]

Friendly ping...

on 12/26/2022 4:57 PM, Yu Kuai wrote:
> 在 2022/12/26 15:50, Yu Kuai 写道:
> 
>>> why using
>>> wake batch of 4 is safe for cards with say 32 tags in case active_users is
>>> currently 32. Because I don't see why that is correct either.
>>>
> 
> I see, you guys are worried that during the period that some hctx
> complete all it's not idle yet. It's right waiter might wait for
> other hctx to become idle to be awaken in this case. However, I'm
> not sure which way is better.
> 
> Ming, do you have any idea?
> 
> Thanks,
> Kuai
> 

-- 
Best wishes
Kemeng Shi