Re: [PATCH 2/7] xfs: validate bdev support for DAX inode flag

[Christoph Hellwig]

On Mon, Sep 25, 2017 at 05:13:59PM -0600, Ross Zwisler wrote:
> Currently only the blocksize is checked, but we should really be calling
> bdev_dax_supported() which also tests to make sure we can get a
> struct dax_device and that the dax_direct_access() path is working.
> 
> This is the same check that we do for the "-o dax" mount option in
> xfs_fs_fill_super().
> 
> Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

I think we just want to pick this up ASAP.  And between my vague
memoried and that reviewed-by tag it already was part of a different
series, wasn't it?