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Date:   Wed, 3 Nov 2021 12:59:31 -0500
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To:     Christoph Hellwig <hch@lst.de>
Cc:     Dan Williams <dan.j.williams@intel.com>,
        Mike Snitzer <snitzer@redhat.com>,
        Ira Weiny <ira.weiny@intel.com>, dm-devel@redhat.com,
        linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev,
        linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org,
        virtualization@lists.linux-foundation.org
References: <20211018044054.1779424-1-hch@lst.de>
From:   Eric Sandeen <sandeen@sandeen.net>
Subject: Re: futher decouple DAX from block devices
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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?

Thanks,
-Eric