Re: [PATCH v2 10/14] fs/dax: Remove FS_DAX_LIMITED config option

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To: Alistair Popple <apopple@xxxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH v2 10/14] fs/dax: Remove FS_DAX_LIMITED config option
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Tue, 17 Jun 2025 11:37:16 +0200
Cc: linux-mm@xxxxxxxxx, gerald.schaefer@xxxxxxxxxxxxx, dan.j.williams@xxxxxxxxx, jgg@xxxxxxxx, willy@xxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, jhubbard@xxxxxxxxxx, hch@xxxxxx, zhang.lyra@xxxxxxxxx, debug@xxxxxxxxxxxx, bjorn@xxxxxxxxxx, balbirs@xxxxxxxxxx, lorenzo.stoakes@xxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, loongarch@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-cxl@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, John@xxxxxxxxxx, m.szyprowski@xxxxxxxxxxx
In-reply-to: <bbade6a3154d14d958f5f9cf65fd6424897ec9c2.1750075065.git-series.apopple@nvidia.com>
Organization: Red Hat
User-agent: Mozilla Thunderbird

On 16.06.25 13:58, Alistair Popple wrote:

The dcssblk driver was the last user of FS_DAX_LIMITED. That was marked
broken by 653d7825c149 ("dcssblk: mark DAX broken, remove FS_DAX_LIMITED
support") to allow removal of PFN_SPECIAL. However the FS_DAX_LIMITED
config option itself was not removed, so do that now.

Signed-off-by: Alistair Popple <apopple@xxxxxxxxxx>


Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb

References:
- [PATCH v2 00/14] mm: Remove pXX_devmap page table bit and pfn_t type
  - From: Alistair Popple
- [PATCH v2 10/14] fs/dax: Remove FS_DAX_LIMITED config option
  - From: Alistair Popple

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