From: Arianna Avanzini <avanzini.arianna@gmail.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
bob.liu@oracle.com, felipe.franciosi@citrix.com, axboe@fb.com
Subject: Re: [PATCH RFC 3/4] xen, blkfront: introduce support for multiple hw queues
Date: Fri, 12 Sep 2014 01:36:17 +0200 [thread overview]
Message-ID: <20140911233615.GA2052@gmail.com> (raw)
In-Reply-To: <53F73D29.4020401@citrix.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
next prev parent reply other threads:[~2014-09-11 23:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-22 11:20 [PATCH RFC 0/4] Multi-queue support for xen-blkfront and xen-blkback Arianna Avanzini
2014-08-22 11:20 ` [PATCH RFC 1/4] xen, blkfront: add support for the multi-queue block layer API Arianna Avanzini
2014-08-22 12:25 ` David Vrabel
2014-08-22 15:03 ` Christoph Hellwig
2014-08-22 15:02 ` Christoph Hellwig
2014-09-11 23:54 ` Arianna Avanzini
2014-08-22 11:20 ` [PATCH RFC 2/4] xen, blkfront: factor out flush-related checks from do_blkif_request() Arianna Avanzini
2014-08-22 12:45 ` David Vrabel
2014-08-22 11:20 ` [PATCH RFC 3/4] xen, blkfront: introduce support for multiple hw queues Arianna Avanzini
2014-08-22 12:52 ` David Vrabel
2014-09-11 23:36 ` Arianna Avanzini [this message]
2014-09-12 10:50 ` David Vrabel
2014-08-22 11:20 ` [PATCH RFC 4/4] xen, blkback: add support for multiple block rings Arianna Avanzini
2014-08-22 13:15 ` David Vrabel
2014-09-11 23:45 ` Arianna Avanzini
2014-09-12 3:13 ` Bob Liu
2014-09-12 10:24 ` David Vrabel
2014-09-15 9:23 ` [Xen-devel] [PATCH RFC 0/4] Multi-queue support for xen-blkfront and xen-blkback Roger Pau Monné
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