Re: [Qemu-devel] [RFC] Replace posix-aio with custom thread pool

[Gerd Hoffmann]

Andrea Arcangeli wrote:
> On Fri, Dec 12, 2008 at 12:17:58PM -0600, Anthony Liguori wrote:
>> You assume that anything using bdrv_aio_readv/writev will be going through 
>> a DMA API.  This isn't a safe assumption.
> 
> Well it's obviously a safe assumption right now... ;)

Well, the xen block backend in my xen patch queue calls bdrv_* directly
right now.  Dunno whenever it is possible/useful to fit the grant table
stuff into the upcoming dma api somehow.

cheers,
  Gerd