Messages in this thread | | | Date | Mon, 16 Jul 2012 17:05:02 +0800 | From | Asias He <> | Subject | Re: [PATCH RESEND 0/5] Add vhost-blk support |
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Hi Christoph,
On 07/14/2012 03:49 PM, Christoph Hellwig wrote: > Please send a version that does direct block I/O similar to xen-blkback > for now.
Seems xen-blkback converts the guest IO request to host bio and submit them directly. I was wondering whether this has a performance gain compared to AIO implementation.
> If we get proper in-kernel aio support one day you can add > back file backend support.
I talked with Dave and Zack on the in-kernel aio patch which James pointed out:
http://marc.info/?l=linux-fsdevel&m=133312234313122
Dave will post a new version soon. I will wait for it.
-- Asias
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