Re: [PATCH V2 5/7] block: throttle split bio in case of iops limit

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH V2 5/7] block: throttle split bio in case of iops limit
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 14 Feb 2022 23:08:06 -0800
Cc: Tejun Heo <tj@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Li Ning <lining2020x@xxxxxxx>, Chunguang Xu <brookxu@xxxxxxxxxxx>
In-reply-to: <Ygr9evnWSjcCjYkd@T590>
References: <20220209091429.1929728-1-ming.lei@redhat.com> <20220209091429.1929728-6-ming.lei@redhat.com> <Ygq6GanKSLlTixqe@slm.duckdns.org> <Ygr9evnWSjcCjYkd@T590>

On Tue, Feb 15, 2022 at 09:10:18AM +0800, Ming Lei wrote:
> The big problem is that rq-qos is only hooked for request based queue,
> and we need to support cgroup/throttle for bio base queue.

Which bio based driver do we care about?

Follow-Ups:
- Re: [PATCH V2 5/7] block: throttle split bio in case of iops limit
  - From: Ming Lei

References:
- [PATCH V2 0/7] block: improve iops limit throttle
  - From: Ming Lei
- [PATCH V2 5/7] block: throttle split bio in case of iops limit
  - From: Ming Lei
- Re: [PATCH V2 5/7] block: throttle split bio in case of iops limit
  - From: Tejun Heo
- Re: [PATCH V2 5/7] block: throttle split bio in case of iops limit
  - From: Ming Lei

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