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Date:   Wed, 3 Nov 2021 12:59:31 -0500
From:   Eric Sandeen <>
To:     Christoph Hellwig <>
Cc:     Dan Williams <>,
        Mike Snitzer <>,
        Ira Weiny <>,,,,,,,,
Subject: Re: futher decouple DAX from block devices

On 10/17/21 11:40 PM, Christoph Hellwig wrote:
> Hi Dan,
> this series cleans up and simplifies the association between DAX and block
> devices in preparation of allowing to mount file systems directly on DAX
> devices without a detour through block devices.

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?


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