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Date: Mon, 16 Mar 2009 14:44:58 +0100
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [PATCH 2/5] Convert vectored aio emulation to use
	a	dedicated pool
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To: qemu-devel@nongnu.org

On Mon, Mar 16, 2009 at 03:39:30PM +0200, Avi Kivity wrote:
> Right, when you don't use a synthetic aiocb, the need goes away.
> 
> We'll still have one for the block-dma-helpers, due to the need to 
> fragment a request when bounce resources are exhausted.

The pools might also help with the independent scsi-generic
implementation, by not requiring it to be tied to the block layer
while still beeing able to use posix-aio-compat.c.  Still need to sort
out the setup issue, but we might just keep a dummy BlockDriverState
for it for now.