[PATCH 4/4] nvme-pci: implement host memory buffer support

[Johannes Thumshirn]

On 06/01/2017 01:27 PM, Christoph Hellwig wrote:
> If a controller supports the host memory buffer we try to provide
> it with the requested size up to an upper cap set as a module
> parameter.  We try to give as few as possible descriptors, eventually
> working our way down.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---

I don't really think the goto back and forth jumping is very intuitive,
but I can't come up with a better solution either, so
Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>

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Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
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