Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages

[Darrick J. Wong]

On Thu, Apr 10, 2025 at 12:12:33PM -0700, Alison Schofield wrote:
> On Thu, Apr 10, 2025 at 11:10:20AM +0200, David Hildenbrand wrote:
> > Alison reports an issue with fsdax when large extends end up using
> > large ZONE_DEVICE folios:
> >
> 
> Passes the ndctl/dax unit tests.
> 
> Tested-by: Alison Schofield <alison.schofield@xxxxxxxxx>

This fixes the crash I complained about here:
https://lore.kernel.org/linux-fsdevel/20250417030143.GO25675@frogsfrogsfrogs/T/

Can we get a fix queued up for -rc3 if it hasn't been already, please?

Tested-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>

--D

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> snip
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