linux-kernel - Re: [PATCH] erofs: fix unsupported blksize in fileio mode

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Message-ID: <2d76e36c-95d5-4eb2-9825-fa5e739ae139@linux.alibaba.com>
Date: Tue, 15 Oct 2024 11:53:11 +0800
From: Hongzhen Luo <hongzhen@...ux.alibaba.com>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>, linux-erofs@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] erofs: fix unsupported blksize in fileio mode


On 2024/10/15 11:47, Gao Xiang wrote:
> Hi Hongzhen,
>
> On 2024/10/15 11:36, Hongzhen Luo wrote:
>> In fileio mode, when blcksize is not equal to PAGE_SIZE,
>> erofs will attempt to set the block size of sb->s_bdev,
>> which will trigger a panic. This patch fixes this.
>>
>> Fixes: fb176750266a ("erofs: add file-backed mount support")
>>
>> Signed-off-by: Hongzhen Luo <hongzhen@...ux.alibaba.com>
>
> File-backed mounts should support < PAGE_SIZE sizes.
> You should just fix these cases instead.
>
> Thanks,
> Gao Xiang


Okay, I will fix it later.

---

Thanks,

Hongzhen