Re: [PATCH] block: bio: Trim bio to sensible size in bio_trim()

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To: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: Re: [PATCH] block: bio: Trim bio to sensible size in bio_trim()
From: Jens Axboe <axboe@xxxxxxxxx>
Date: Sat, 29 Aug 2020 08:32:21 -0600
Cc: linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20200829093733.45833-1-linmiaohe@huawei.com>
References: <20200829093733.45833-1-linmiaohe@huawei.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 8/29/20 3:37 AM, Miaohe Lin wrote:
> Trim bio to sensible size in bio_trim() or something bad may happen.

This really needs a LOT more detail. What is "something bad"? How does
this condition trigger to begin with?

-- 
Jens Axboe

References:
- [PATCH] block: bio: Trim bio to sensible size in bio_trim()
  - From: Miaohe Lin

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