linux-kernel - Re: [PATCH v6 08/26] fs/dax: Remove PAGE_MAPPING_DAX

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Message-ID: <unu63k4trmt5klmors65j2or5vd2ghmfayrd3p22cquoyrjvcy@fynjzwnr5t3h>
Date: Fri, 17 Jan 2025 11:54:32 +1100
From: Alistair Popple <apopple@...dia.com>
To: Dan Williams <dan.j.williams@...el.com>
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org, 
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Subject: Re: [PATCH v6 08/26] fs/dax: Remove PAGE_MAPPING_DAX_SHARED mapping
 flag

On Tue, Jan 14, 2025 at 09:44:38PM -0800, Dan Williams wrote:
> Alistair Popple wrote:
> [..]
> > > How does this case happen? I don't think any page would ever enter with
> > > both ->mapping and ->share set, right?
> > 
> > Sigh. You're right - it can't. This patch series is getting a litte bit large
> > and unweildy with all the prerequisite bugfixes and cleanups. Obviously I fixed
> > this when developing the main fs dax count fixup but forgot to rebase the fix
> > further back in the series.
> 
> I assumed as much when I got to that patch.
> 
> > Anyway I have fixed that now, thanks.
> 
> You deserve a large helping of grace for waking and then slaying this
> old dragon.

Heh, thanks. Lets hope this dragon doesn't have too many more heads :-)