Re: [PATCH 5.15] block: Add a helper to validate the block size

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To: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>, stable@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 5.15] block: Add a helper to validate the block size
From: Tadeusz Struk <tadeusz.struk@xxxxxxxxxx>
Date: Thu, 18 Nov 2021 18:41:21 -0800
Cc: axboe@xxxxxxxxx, hch@xxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, syzbot+662448179365dddc1880@xxxxxxxxxxxxxxxxxxxxxxxxx, xieyongji@xxxxxxxxxxxxx
In-reply-to: <df37d57e-86e1-56dd-54b7-f3d7b96ffd56@opensource.wdc.com>
References: <7e6c4c23-f071-f33b-7bd4-da11980d34c6@linaro.org> <20211118235738.1128085-1-tadeusz.struk@linaro.org> <df37d57e-86e1-56dd-54b7-f3d7b96ffd56@opensource.wdc.com>
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On 11/18/21 17:55, Damien Le Moal wrote:

But where is this used in 5.15 ? I do not see any callers for this.
So why backport it ?

It will be used after the
af3c570fb0df ("loop: Use blk_validate_block_size() to validate block size")
is applied.
Please read the first message in the thread to get the context.

--
Thanks,
Tadeusz

Follow-Ups:
- Re: [PATCH 5.15] block: Add a helper to validate the block size
  - From: Damien Le Moal

References:
- general protection fault in bdev_read_page
  - From: Tadeusz Struk
- [PATCH 5.15] block: Add a helper to validate the block size
  - From: Tadeusz Struk
- Re: [PATCH 5.15] block: Add a helper to validate the block size
  - From: Damien Le Moal

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