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From: Jeff Moyer <jmoyer@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
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Subject: Re: [PATCH 2/2] dax: move writeback calls into the filesystems
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X-PCLoadLetter: What the f**k does that mean?
Date: Mon, 08 Feb 2016 15:58:44 -0500
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	(Dan Williams's message of "Mon, 8 Feb 2016 12:55:24 -0800")
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Dan Williams <dan.j.williams@intel.com> writes:

> I agree the mount option needs to die, and I fully grok the reasoning.
>   What I'm concerned with is that a system using fully-DAX-aware
> applications is forced to incur the overhead of maintaining *sync
> semantics, periodic sync(2) in particular,  even if it is not relying
> on those semantics.
>
> However, like I said in my other mail, we can solve that with
> alternate interfaces to persistent memory if that becomes an issue and
> not require that "disable *sync" capability to come through DAX.

What do you envision these alternate interfaces looking like?

-Jeff