From 3f5cb28d9e458a29e1da1a9ba0a1499a57872d49 Mon Sep 17 00:00:00 2001
From: Nolan <nolan@sigbus.net>
Date: Mon, 20 Jul 2009 14:01:25 -0700
Subject: [PATCH] Handle BH's queued by AIO completions in qemu_aio_flush()

Without this, the call to qemu_aio_flush during migration doesn't
actually flush all in-flight SCSI IOs.

Signed-off-by: Nolan Leake <nolan <at> sigbus.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 aio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aio.c b/aio.c
index dc9b85d1677..efc63fd9a1f 100644
--- a/aio.c
+++ b/aio.c
@@ -112,7 +112,7 @@ void qemu_aio_flush(void)
         LIST_FOREACH(node, &aio_handlers, node) {
             ret |= node->io_flush(node->opaque);
         }
-    } while (ret > 0);
+    } while (qemu_bh_poll() || ret > 0);
 }
 
 void qemu_aio_wait(void)
-- 
2.39.5