Re: [PATCH 1/3] blk-mq: allow hardware queue to get more tag while sharing a tag set

From: yukuai (C)
Date: Mon Dec 28 2020 - 21:38:19 EST


Hi

On 2020/12/29 9:15, Ming Lei wrote:
Just wondering why you try to set 128 via sysfs for all disks? If you do that,
you should know the potential result given the whole tags queue depth is just
128.

It's just a extreme example to show the unexpected result of "always
return true from hctx_may_queue()".

Thanks,
Yu Kuai