On 25 Sep 2013, at 13:15, Stefan Hajnoczi wrote:
> This patch drops a special case where aio_poll(ctx, true) returns false
> instead of blocking if no file descriptors are waiting on I/O. Now it
> is possible to block in aio_poll() to wait for aio_notify().
>
> This change eliminates busy waiti
This patch drops a special case where aio_poll(ctx, true) returns false
instead of blocking if no file descriptors are waiting on I/O. Now it
is possible to block in aio_poll() to wait for aio_notify().
This change eliminates busy waiting. bdrv_drain_all() used to rely on
busy waiting to complet
