linux-kernel - Re: [PATCH] erofs: fix fsdax partition offset handling

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Date:   Mon, 24 Jan 2022 16:34:02 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Chao Yu <chao@...nel.org>
Cc:     linux-erofs@...ts.ozlabs.org, Christoph Hellwig <hch@....de>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] erofs: fix fsdax partition offset handling

On Mon, Jan 24, 2022 at 03:11:35PM +0800, Chao Yu wrote:
> On 2022/1/13 13:18, Gao Xiang wrote:
> > After seeking time on testing today upstream fsdax, I found it
> > actually doesn't work well as below:
> > 
> > [  186.492983] ------------[ cut here ]------------
> > [  186.493629] WARNING: CPU: 1 PID: 205 at fs/iomap/iter.c:33 iomap_iter+0x2f6/0x310
> > 
> > The problem is that m_dax_part_off should be applied to physical
> > addresses and very sorry about that I didn't catch this eariler.
> > 
> > Anyway, let's fix it up now. Also, I need to find a way to set up
> > a standalone testcase to look after this later.
> > 
> > Fixes: de2051147771 ("fsdax: shift partition offset handling into the file systems")
> > Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
> 
> Reviewed-by: Chao Yu <chao@...nel.org>

Thanks for the review! I will send this together with other misc
fixes this or next week..

Thanks,
Gao Xiang

> 
> Thanks,