Re: [PATCH v4 0/8] fuse,virtiofs: support per-file DAX

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On Tue, 17 Aug 2021 at 04:22, Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx> wrote:
>
> This patchset adds support of per-file DAX for virtiofs, which is
> inspired by Ira Weiny's work on ext4[1] and xfs[2].

Can you please explain the background of this change in detail?

Why would an admin want to enable DAX for a particular virtiofs file
and not for others?

Thanks,
Miklos



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