Mailing List Archive

# HG changeset patch
# User Ian Campbell <ian.campbell@citrix.com>
# Date 1302277219 -3600
# Node ID 17d39055197100ec981dd284b9d74f80800caf4d
# Parent b49301d2de11b45de574894953d814cbaac0093c
libxl: handle the tail end of a tap device using the phy backend handling code

We are literally creating a phy backend on top of a blktap2 created
device anyway so we might as well reuse the code and make this
explicit.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
---


diff -r b49301d2de11 -r 17d390551971 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Fri Apr 08 16:39:53 2011 +0100
+++ b/tools/libxl/libxl.c Fri Apr 08 16:40:19 2011 +0100
@@ -1000,7 +1000,7 @@
switch (disk->backend) {
case DISK_BACKEND_PHY:
dev = disk->pdev_path;
-
+ do_backend_phy:
libxl__device_physdisk_major_minor(dev, &major, &minor);
flexarray_append(back, "physical-device");
flexarray_append(back, libxl__sprintf(&gc, "%x:%x", major, minor));
@@ -1021,17 +1021,11 @@
libxl__device_disk_string_of_format(disk->format),
disk->pdev_path));

- flexarray_append(back, "params");
- flexarray_append(back, dev);
-
backend_type = "phy";

- libxl__device_physdisk_major_minor(dev, &major, &minor);
- flexarray_append(back, "physical-device");
- flexarray_append(back, libxl__sprintf(&gc, "%x:%x", major, minor));
-
- device.backend_kind = DEVICE_VBD;
- break;
+ /* now create a phy device to export the device to the guest */
+ goto do_backend_phy;
+
case DISK_BACKEND_QDISK:
flexarray_append(back, "params");
flexarray_append(back, libxl__sprintf(&gc, "%s:%s",

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