Re: [PATCH 1/3] nd: move nd_region to common header

[Pankaj Gupta <pagupta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

> Subject: Re: [PATCH 1/3] nd: move nd_region to common header
> 
> On Fri, Aug 31, 2018 at 6:31 AM Pankaj Gupta <pagupta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
> >
> > This patch moves nd_region definition to common header
> > include/linux/nd.h file. This is required for flush callback
> > support for both virtio-pmem & pmem driver.
> >
> > Signed-off-by: Pankaj Gupta <pagupta-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > ---
> >  drivers/nvdimm/nd.h | 39 ---------------------------------------
> >  include/linux/nd.h  | 40 ++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 40 insertions(+), 39 deletions(-)
> 
> No, we need to find a way to do this without dumping all of these
> internal details to a public / global header.

This is required when virtio_pmem driver accesses fields of nd_region struct. 
Instead if we pass device pointer in place of nd_region, we don't need to put
this in global header. Thoughts?

e.g virtio_pmem_flush(struct device *dev)

Thanks,
Pankaj