Re: [PATCH RFC v2 3/5] block, bfq: switch to use elevator lock

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To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>, ming.lei@xxxxxxxxxx, yukuai3@xxxxxxxxxx, tj@xxxxxxxxxx, josef@xxxxxxxxxxxxxx, axboe@xxxxxxxxx
Subject: Re: [PATCH RFC v2 3/5] block, bfq: switch to use elevator lock
From: Damien Le Moal <dlemoal@xxxxxxxxxx>
Date: Mon, 16 Jun 2025 11:46:33 +0900
Cc: linux-block@xxxxxxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx, johnny.chenyi@xxxxxxxxxx
In-reply-to: <20250614092528.2352680-4-yukuai1@huaweicloud.com>
Organization: Western Digital Research
References: <20250614092528.2352680-1-yukuai1@huaweicloud.com> <20250614092528.2352680-4-yukuai1@huaweicloud.com>
User-agent: Mozilla Thunderbird

On 6/14/25 18:25, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
> 
> Convert 'bfqd->lock' to high level 'q->elevator->lock', prepare to support
> batch requests dispatching.

Same comment as for the previous patch.

-- 
Damien Le Moal
Western Digital Research

References:
- [PATCH RFC v2 0/5] blk-mq-sched: support request batch dispatching for sq elevator
  - From: Yu Kuai
- [PATCH RFC v2 3/5] block, bfq: switch to use elevator lock
  - From: Yu Kuai

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