From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Fri, 23 Mar 2012 14:36:18 +0000 (+0000)
Subject: xen_disk: open disks with BDRV_O_NOCACHE | BDRV_O_NATIVE_AIO
X-Git-Tag: qemu-xen-4.3.0-rc1~18^2~28
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=47982cb00584371928e44ab6dfc6865d605a52fd;p=qemu-upstream-4.3-testing.git

xen_disk: open disks with BDRV_O_NOCACHE | BDRV_O_NATIVE_AIO

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

diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index 285a951d8..16c3e6692 100644
--- a/hw/xen_disk.c
+++ b/hw/xen_disk.c
@@ -663,10 +663,10 @@ static int blk_init(struct XenDevice *xendev)
     }
 
     /* read-only ? */
+    qflags = BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_NATIVE_AIO;
     if (strcmp(blkdev->mode, "w") == 0) {
-        qflags = BDRV_O_RDWR;
+        qflags |= BDRV_O_RDWR;
     } else {
-        qflags = 0;
         info  |= VDISK_READONLY;
     }