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Date:   Thu, 4 Nov 2021 09:17:40 +0100
From:   Christoph Hellwig <>
To:     Eric Sandeen <>
Cc:     Christoph Hellwig <>,
        Dan Williams <>,
        Mike Snitzer <>,
        Ira Weiny <>,,,,,,,,
Subject: Re: futher decouple DAX from block devices

On Wed, Nov 03, 2021 at 12:59:31PM -0500, Eric Sandeen wrote:
> Christoph, can I ask what the end game looks like, here? If dax is completely
> decoupled from block devices, are there user-visible changes?


> If I want to
> run fs-dax on a pmem device - what do I point mkfs at, if not a block device?

The rough plan is to use the device dax character devices.  I'll hopefully
have a draft version in the next days.

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