Re: [PATCH RFC 3/4] xen, blkfront: introduce support for multiple hw queues

[Arianna Avanzini <avanzini.arianna@gmail.com>]

Hello,

thank you for all your comments and sorry if it took so long to reply
and address them.

On Fri, Aug 22, 2014 at 01:52:57PM +0100, David Vrabel wrote:
> On 22/08/14 12:20, Arianna Avanzini wrote:
> > This commit introduces in xen-blkfront actual support for multiple
> > hardware queues. The number of available hardware queues is gathered
> > from the backend via XenStore; in case the expected XenStore key
> > is not available, the frontend defaults to a single I/O ring.
> 
> Can you split this into a part that reactors blkfront handle multiple
> queues and the part that adds the XenStore negotiation for this?
> 

Of course, thank you for the suggestion.

> You will also need to to add documentation for the XenStore keys to the
> blkif.h header in Xen.
> 

Thank you for pointing that out. I'll add the documentation when/if I'll
drop the RFC tag, if it's OK (I'll need to send a separate patch to
xen-devel, I think).


> David