Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests

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To: Jens Axboe <axboe@xxxxxxxxx>, Zhen Lei <thunder.leizhen@xxxxxxxxxx>, linux-block <linux-block@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Thu, 26 Aug 2021 12:17:22 -0700
Cc: Damien Le Moal <damien.lemoal@xxxxxxx>
In-reply-to: <82612be1-d61e-1ad5-8fb5-d592a5bc4789@kernel.dk>
References: <20210826144039.2143-1-thunder.leizhen@huawei.com> <fc1f2664-fc4f-7b3e-5542-d9e4800a5bde@acm.org> <537620de-646d-e78e-ccb8-4105bac398b3@kernel.dk> <82612be1-d61e-1ad5-8fb5-d592a5bc4789@kernel.dk>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 8/26/21 11:45 AM, Jens Axboe wrote:
> Bart, either we fix this up ASAP and get rid of the percpu counters in
> the hot path, or we revert this patch.

I'm at home taking care of my son because he is sick.

Do you want to wait for Zhen to post a fixed version of his patch or do you
want me to fix his patch?

Bart.

Follow-Ups:
- Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
  - From: Jens Axboe

References:
- [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
  - From: Zhen Lei
- Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
  - From: Bart Van Assche
- Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
  - From: Jens Axboe
- Re: [PATCH] block/mq-deadline: Speed up the dispatch of low-priority requests
  - From: Jens Axboe

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