On Wed, 03/16 11:27, Paolo Bonzini wrote:
>
>
> On 16/03/2016 11:10, Fam Zheng wrote:
> > An empty begin/end pair is almost the same as a bare bdrv_drain except
> > the aio_poll inside is wrapped by
> > aio_disable_external/aio_enable_external.
> >
> > This is safer, and is the only way to achie
On 16/03/2016 11:10, Fam Zheng wrote:
> An empty begin/end pair is almost the same as a bare bdrv_drain except
> the aio_poll inside is wrapped by
> aio_disable_external/aio_enable_external.
>
> This is safer, and is the only way to achieve quiescence in this
> aio_poll(), because bdrv_drained_b
