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

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To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages
From: Alison Schofield <alison.schofield@xxxxxxxxx>
Date: Thu, 10 Apr 2025 12:12:33 -0700
Cc: <linux-kernel@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <linux-fsdevel@xxxxxxxxxxxxxxx>, <nvdimm@xxxxxxxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Alistair Popple" <apopple@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>
In-reply-to: <20250410091020.119116-1-david@redhat.com>

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>

snip

Follow-Ups:
- Re: [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages
  - From: Darrick J. Wong

References:
- [PATCH v1] fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages
  - From: David Hildenbrand

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