Re: [PATCH 23/29] xfs: use IOMAP_DAX to check for DAX mappings

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On Tue, Nov 9, 2021 at 12:34 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Use the explicit DAX flag instead of checking the inode flag in the
> iomap code.

It's not immediately clear to me why this is a net benefit, are you
anticipating inode-less operations? With reflink and multi-inode
operations a single iomap flag seems insufficient, no?

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