[gnome-disk-utility/udisks2-port] Also show "Backing File" when selecting unallocated space

[David Zeuthen <davidz src gnome org>]

commit d823af051fabca247a9c01d2ae2cc04d54baf87b
Author: David Zeuthen <davidz redhat com>
Date:   Wed Dec 7 17:55:47 2011 -0500

    Also show "Backing File" when selecting unallocated space
    
    Signed-off-by: David Zeuthen <davidz redhat com>

 src/palimpsest/gduwindow.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/src/palimpsest/gduwindow.c b/src/palimpsest/gduwindow.c
index 07cf8ad..f85ae11 100644
--- a/src/palimpsest/gduwindow.c
+++ b/src/palimpsest/gduwindow.c
@@ -2131,6 +2131,7 @@ update_device_page_for_free_space (GduWindow          *window,
                                    ShowFlags          *show_flags)
 {
   gchar *s;
+  UDisksLoop *loop;
   UDisksPartitionTable *table;
   const gchar *table_type = NULL;
   gboolean read_only;
@@ -2140,6 +2141,7 @@ update_device_page_for_free_space (GduWindow          *window,
   //         object != NULL ? g_dbus_object_get_object_path (object) : "<nothing>");
 
   read_only = udisks_block_get_read_only (block);
+  loop = udisks_object_peek_loop (window->current_object);
 
   if (!read_only)
     {
@@ -2147,6 +2149,17 @@ update_device_page_for_free_space (GduWindow          *window,
       *show_flags |= SHOW_FLAGS_POPUP_MENU_RESTORE_DISK_IMAGE;
     }
 
+  if (loop != NULL)
+    {
+      gchar *s;
+      s = gdu_utils_unfuse_path (udisks_loop_get_backing_file (loop));
+      set_markup (window,
+                  "devtab-backing-file-label",
+                  "devtab-backing-file-value-label",
+                  s, SET_MARKUP_FLAGS_NONE);
+      g_free (s);
+    }
+
   table = udisks_object_peek_partition_table (object);
   if (table != NULL)
     table_type = udisks_partition_table_get_type_ (table);