Re: [PATCH v2 7/7] pmem, dax: have direct_access use __pmem annotation

[Christoph Hellwig]

On Thu, Aug 13, 2015 at 10:51:11AM -0600, Ross Zwisler wrote:
> Update the annotation for the kaddr pointer returned by direct_access()
> so that it is a __pmem pointer.  This is consistent with the PMEM driver
> and with how this direct_access() pointer is used in the DAX code.

IFF we stick to the __pmem annotations this looks good.

That beeing said I start to really dislike them.  We don't special
accesors to read/write from pmem, we just need to explicitly commit
it if we want to make it persistent.  So I really don't see the need
to treat it special and require all the force casts to and from the
attribute.
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