block: prefer aio_poll to qemu_aio_wait

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index 60c1ceb..c503fc6 100644
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -483,7 +483,7 @@
     co = qemu_coroutine_create(co_write_zeroes_entry);
     qemu_coroutine_enter(co, &data);
     while (!data.done) {
-        qemu_aio_wait();
+        aio_poll(bdrv_get_aio_context(bs), true);
     }
     if (data.ret < 0) {
         return data.ret;
@@ -2027,7 +2027,7 @@
 static int wait_break_f(BlockDriverState *bs, int argc, char **argv)
 {
     while (!bdrv_debug_is_suspended(bs, argv[1])) {
-        qemu_aio_wait();
+        aio_poll(bdrv_get_aio_context(bs), true);
     }
 
     return 0;