Fam Zheng 37989ced44 aio-posix: Skip external nodes in aio_dispatch ...

aio_poll doesn't poll the external nodes so this should never be true,
but aio_ctx_dispatch may get notified by the events from GSource. To
make bdrv_drained_begin effective in main loop, we should check the
is_external flag here too.

Also do the check in aio_pending so aio_dispatch is not called
superfluously, when there is no events other than external ones.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

2016-04-22 16:43:59 +02:00

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