Re: [PATCH 7/7] xfs: re-enable XFS per-inode DAX

[Christoph Hellwig]

On Mon, Sep 25, 2017 at 05:14:04PM -0600, Ross Zwisler wrote:
> Re-enable the XFS per-inode DAX flag, preventing S_DAX from changing when
> any mappings are present.

Before we re-enable it please come up with a coherent description
of the per-inode DAX flag that makes sense to a user.  We'll also need
to find a good place to document it, e.g. a new ioctl_setflags man
page.