Re: [Qemu-devel] AIO and savevm

[Blue Swirl]

> When savevm is issued, you need to halt the guest CPUs, and wait for all IO 
> to
> complete. While doing this you need to allow device AIO completion routines
> to run, which may trigger additional IO. Once all IO has been completed you
> should then be able to safely save state.

How's this patch? Qemu_aio_poll waits for all AIOs and calls the device 
completion routines when each AIO finishes.

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aio_flush.diff
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