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[Xen-changelog] [xen master] libxl: prefer qdisk over blktap when choosing disk backend

commit 0166217103e18368424fbd5ffff01c1ea50d0b17
Author:     Wei Liu <wei.liu2@xxxxxxxxxx>
AuthorDate: Tue Aug 27 15:22:43 2013 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Tue Sep 3 17:00:31 2013 +0100

    libxl: prefer qdisk over blktap when choosing disk backend
    There are some disk formats commonly supported by both qdisk and blktap.
    As qdisk is better supported and blktap is unmaintained, we choose qdisk
    over blktap whenever possible.
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
 tools/libxl/libxl_device.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
index ea845b7..16a92a4 100644
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -288,8 +288,8 @@ int libxl__device_disk_set_backend(libxl__gc *gc, 
libxl_device_disk *disk) {
     } else {
             disk_try_backend(&a, LIBXL_DISK_BACKEND_PHY) ?:
-            disk_try_backend(&a, LIBXL_DISK_BACKEND_TAP) ?:
-            disk_try_backend(&a, LIBXL_DISK_BACKEND_QDISK);
+            disk_try_backend(&a, LIBXL_DISK_BACKEND_QDISK) ?:
+            disk_try_backend(&a, LIBXL_DISK_BACKEND_TAP);
         if (ok)
             LIBXL__LOG(ctx, LIBXL__LOG_DEBUG, "Disk vdev=%s, using backend %s",
generated by git-patchbot for /home/xen/git/xen.git#master

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