[Xen-changelog] Allow multiple disk images per guest.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 7ac99b43f87920144cbe268016c7e346dedd99fb
# Parent  9b713b8d11000025b47a47fc946e7b331ca6eb9b

Allow multiple disk images per guest.

Signed-off-by: Yunfeng Zhao <yunfeng.zhao@xxxxxxxxx>
Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>

diff -r 9b713b8d1100 -r 7ac99b43f879 tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py    Mon Jul 25 21:02:24 2005
+++ b/tools/python/xen/xend/image.py    Mon Jul 25 21:02:34 2005
@@ -284,18 +284,19 @@
                ret.append("%s" % v)
 
         # Handle hd img related options
-        device = sxp.child(self.vm.config, 'device')
-        vbdinfo = sxp.child(device, 'vbd')
-        if not vbdinfo:
-            raise VmError("vmx: missing vbd configuration")
-        uname = sxp.child_value(vbdinfo, 'uname')
-        vbddev = sxp.child_value(vbdinfo, 'dev')
-        (vbdtype, vbdparam) = string.split(uname, ':', 1)
-        vbddev_list = ['hda', 'hdb', 'hdc', 'hdd']
-        if vbdtype != 'file' or vbddev not in vbddev_list:
-            raise VmError("vmx: for qemu vbd type=file&dev=hda~hdd")
-        ret.append("-%s" % vbddev)
-        ret.append("%s" % vbdparam)
+        devices = sxp.children(self.vm.config, 'device')
+        for device in devices:
+            vbdinfo = sxp.child(device, 'vbd')
+            if not vbdinfo:
+                raise VmError("vmx: missing vbd configuration")
+            uname = sxp.child_value(vbdinfo, 'uname')
+            vbddev = sxp.child_value(vbdinfo, 'dev')
+            (vbdtype, vbdparam) = string.split(uname, ':', 1)
+            vbddev_list = ['hda', 'hdb', 'hdc', 'hdd']
+            if vbdtype != 'file' or vbddev not in vbddev_list:
+                raise VmError("vmx: for qemu vbd type=file&dev=hda~hdd")
+            ret.append("-%s" % vbddev)
+            ret.append("%s" % vbdparam)
 
        # Handle graphics library related options
        vnc = sxp.child_value(self.vm.config, 'vnc')

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