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 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html