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Date: Thu, 24 Aug 2017 17:19:06 +0200
From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
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Subject: Re: fs_dax_get_by_host in the hot path
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On Thu, Aug 24, 2017 at 07:48:18AM -0700, Dan Williams wrote:
> Sure, I'll get that fixed up. I believe I arrived at this scheme as a
> side-effect / misunderstanding of this comment:
> 
> https://groups.google.com/d/msg/linux.kernel/9ho8SFe6RSw/6zTgNaNTCgAJ

The current scheme is doing the right thing in terms of returning
the dax device from ->iomap_begin.  But it still do so efficiently :)