2008-07-20  Christian Neumair  <cneumair@gnome.org>

	* libnautilus-private/nautilus-dnd.c (check_same_fs),
	(nautilus_drag_default_drop_action_for_icons):
	* libnautilus-private/nautilus-file-private.h:
	* libnautilus-private/nautilus-file.c (nautilus_file_clear_info),
	(finalize), (update_info_internal),
	(nautilus_file_get_filesystem_id):
	* libnautilus-private/nautilus-file.h:
	Query filesystem ID, as referenced string. Use it to determine whether
	two files are on the same FS during DND. Gets rid of synchronous I/O.

svn path=/trunk/; revision=14376