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To: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

Avi Kivity wrote:

>> When preadv/pwritev are in place I could limit the transfer size
>> directly in raw_aio_preadv\pwritev but I would also have to update the
>> iovector size field to reflect that and I think is a little bit ugly.
>>   
> 
> Just copy the iovec for each sub-request.
> 


OK, I'll see about that when the preadv and pwritev are actually
implemented.
Meanwhile I'll keep the patch I sent before in our tree only (unless
someone else is interested in a way to limit dma transfer size for any
reason).