From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Fri, 23 Mar 2012 11:37:25 +0000 (+0000)
Subject: xen_disk: when using AIO flush after the operation is completed
X-Git-Tag: qemu-xen-4.2.0~27
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=4db776322827f0930d53b9e162dc1c6600d918d0;p=qemu-upstream-4.2-testing.git

xen_disk: when using AIO flush after the operation is completed

If ioreq->postsync call bdrv_flush when the AIO operation is actually
completed.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---

diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index 16c3e6692..e9bbbf785 100644
--- a/hw/xen_disk.c
+++ b/hw/xen_disk.c
@@ -398,6 +398,9 @@ static void qemu_aio_complete(void *opaque, int ret)
     if (ioreq->aio_inflight > 0) {
         return;
     }
+    if (ioreq->postsync) {
+        bdrv_flush(ioreq->blkdev->bs);
+    }
 
     ioreq->status = ioreq->aio_errors ? BLKIF_RSP_ERROR : BLKIF_RSP_OKAY;
     ioreq_unmap(ioreq);
@@ -444,9 +447,6 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
         goto err;
     }
 
-    if (ioreq->postsync) {
-        bdrv_flush(blkdev->bs); /* FIXME: aio_flush() ??? */
-    }
     qemu_aio_complete(ioreq, 0);
 
     return 0;