| |
|
 |
|
 |
|
|
|
| |
|
|
xen-devel
Re: [Xen-devel] blkif shared ring
|
To: |
Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Geoffrey Lefebvre <geoffrey@xxxxxxxxx>, Samvel Yuri <samvelox@xxxxxxxxx> |
|
Subject: |
Re: [Xen-devel] blkif shared ring |
|
From: |
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|
Date: |
Tue, 11 Aug 2009 07:24:03 +0100 |
|
Cc: |
Dutch Meyer <dmeyer@xxxxxxxxx>, Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>, "dean.samuels@xxxxxxxxxx" <dean.samuels@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Andrew Warfield <andy@xxxxxxxxx> |
|
Delivery-date: |
Mon, 10 Aug 2009 23:24:27 -0700 |
|
Envelope-to: |
www-data@xxxxxxxxxxxxxxxxxxx |
|
In-reply-to: |
<593aae72-bcb0-40b2-8cc0-0b4e3f791268@default> |
|
List-help: |
<mailto:xen-devel-request@lists.xensource.com?subject=help> |
|
List-id: |
Xen developer discussion <xen-devel.lists.xensource.com> |
|
List-post: |
<mailto:xen-devel@lists.xensource.com> |
|
List-subscribe: |
<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
|
List-unsubscribe: |
<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
|
Sender: |
xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
|
Thread-index: |
AcoaEVLk7ckIYHk1RjWAfrCfue3IOQAOv8rz |
|
Thread-topic: |
[Xen-devel] blkif shared ring |
|
User-agent: |
Microsoft-Entourage/12.20.0.090605 |
They did not.
-- Keir
On 11/08/2009 00:20, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:
> Hi Geoff, et al --
>
> Did these blkfront/blkback multi-page patches
> ever make it upstream?
>
> Thanks,
> Dan
>
>> -----Original Message-----
>> From: Geoffrey Lefebvre [mailto:geoffrey@xxxxxxxxx]
>> Sent: Wednesday, November 19, 2008 9:57 PM
>> To: Samvel Yuri
>> Cc: Dutch Meyer; Samuel Thibault; xen-devel; Andrew Warfield
>> Subject: Re: [Xen-devel] blkif shared ring
>>
>>
>> On Tue, Nov 18, 2008 at 6:02 PM, Samvel Yuri
>> <samvelox@xxxxxxxxx> wrote:
>>>
>>> hello Geoffrey-
>>>
>>> Ahh, so Parallax project just do multi-page ring (and not
>> entirely another
>>> set of shared ring).
>>
>> Yes that's correct. We added a page to the existing ring.
>>
>>> am going to try 4 * PAGE_SIZE and see whether the box stays
>> alive. Were the
>>
>> In our case going to a 4 pages ring didn't buy any additional
>> performance. With 2 pages we were pretty close to saturating the
>> gigabit link to the filer.
>>
>>> patches self
>>> contained in blkfront & blkback? If possible a pointer to
>> blkfront & blkback
>>> will be useful.
>>>
>>
>> The patches for blkfront and back were pretty self contained. Blktap
>> was a bit more spread out because it changed user space code as well.
>> For blkfront/back, the most significant changes were to the ring setup
>> protocol to pass more than one grant reference. I might have time to
>> refresh the patches and post them to the list next week if that is of
>> interest to anyone.
>>
>> cheers,
>>
>> geoffrey
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
|
|
| |
|
Home