[Xen-changelog] [xen-unstable] libxl: probe disk backend type in libxl_device_disk_add

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1317914386 -3600
# Node ID abd34aba46a3784b176db26af2721ed7277c9c49
# Parent  3be536f7001f1521ad11d54a84338db45bad8d8f
libxl: probe disk backend type in libxl_device_disk_add

Without this "xl block-attach" does not work. On create do_domain_create already
catches this.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---


diff -r 3be536f7001f -r abd34aba46a3 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Thu Oct 06 16:19:03 2011 +0100
+++ b/tools/libxl/libxl.c       Thu Oct 06 16:19:46 2011 +0100
@@ -926,6 +926,9 @@
     libxl__device device;
     int major, minor, rc;
 
+    rc = libxl__device_disk_set_backend(&gc, disk);
+    if (rc) goto out;
+
     front = flexarray_make(16, 1);
     if (!front) {
         rc = ERROR_NOMEM;

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