Re: [PATCH v3 3/9] block: WARN if bdev inflight counter is negative

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To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>, axboe@xxxxxxxxx, agk@xxxxxxxxxx, song@xxxxxxxxxx, hch@xxxxxx, hare@xxxxxxx, xni@xxxxxxxxxx, pmenzel@xxxxxxxxxxxxx
Subject: Re: [PATCH v3 3/9] block: WARN if bdev inflight counter is negative
From: John Garry <john.g.garry@xxxxxxxxxx>
Date: Tue, 6 May 2025 15:01:00 +0100
Cc: linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, yukuai3@xxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx, johnny.chenyi@xxxxxxxxxx
In-reply-to: <20250506124903.2540268-3-yukuai1@huaweicloud.com>
Organization: Oracle Corporation
References: <20250506124658.2537886-1-yukuai1@huaweicloud.com> <20250506124903.2540268-1-yukuai1@huaweicloud.com> <20250506124903.2540268-3-yukuai1@huaweicloud.com>
User-agent: Mozilla Thunderbird

On 06/05/2025 13:48, Yu Kuai wrote:

From: Yu Kuai<yukuai3@xxxxxxxxxx>

Which means there is a bug for related bio-based disk driver, or blk-mq
for rq-based disk, it's better not to hide the bug.

Signed-off-by: Yu Kuai<yukuai3@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig<hch@xxxxxx>
Reviewed-by: Hannes Reinecke<hare@xxxxxxx>


Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>

References:
- [PATCH v3 0/9] md: fix is_mddev_idle()
  - From: Yu Kuai
- [PATCH v3 1/9] blk-mq: remove blk_mq_in_flight()
  - From: Yu Kuai
- [PATCH v3 3/9] block: WARN if bdev inflight counter is negative
  - From: Yu Kuai

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