> > >
> > > So I would put the helper in include/linux/dax.h and have it like:
> > >
> > > bool daxdev_mapping_supported(struct vm_area_struct *vma,
>
> Should this be static inline if you're putting it in the header file?
yes. Thanks.
>
> A comment ought to be added to describe what this predicate function
> does.
Sure, will add a comment describing the function.
>
> > > struct dax_device *dax_dev)
> > > {
> > > if (!(vma->vm_flags & VM_SYNC))
> > > return true;
> > > if (!IS_DAX(file_inode(vma->vm_file)))
> > > return false;
> > > return dax_synchronous(dax_dev);
> > > }
> >
> > Sure. This is much better. I was also not sure what to name the helper
> > function.
> > I will go ahead with this unless 'Dave' & 'Darrick' have anything to add.
>
> Jan's approach (modulo that one comment) looks good to me.
Sure. Thank you.
Best regards,
Pankaj
>
> --D
>
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