Lines Matching full:backing

4 # Test for when a backing file is considered overridden (thus, a
28 # Need backing file and change-backing-file support
40     log('bs->backing_file: ' + node['image']['full-backing-filename'],
43     if 'backing-image' in node['image']:
44         log('bs->backing->bs->filename: ' +
45             node['image']['backing-image']['filename'],
48         log('bs->backing: (none)')
58     # Choose a funny way to describe the backing filename
65     log('--- Implicit backing file ---')
77     # Filename should be plain, and the backing node filename should
84     log('--- change-backing-file ---')
96     # Changing the backing file to a qemu-reported filename should
98     # backing BDS (and thus not generate a json:{} filename).
99     # So, first, query the backing filename.
102         vm.node_info('node0')['image']['backing-image']['filename']
104     # Next, change the backing file to something different
106     vm.qmp_log('change-backing-file',
113     # (Image header says "null-co://", actual backing file still is
119     # (To get header and backing file in sync)
121     vm.qmp_log('change-backing-file',
133     # backing file here, so it cannot verify that this filename
134     # "resolves" to the actual backing BDS's filename and will thus
138     vm.qmp_log('change-backing-file',
149     # opening the image anew helps qemu resolve the header backing
168     log('--- Override backing file ---')
172     # (because qemu cannot "canonicalize"/"resolve" the backing
173     # filename unless the backing file is opened implicitly with the
178     # You can only reliably override backing options by using a node
189                backing='null',
194     # with the header backing filename (except that it is changed by
195     # change-backing-file))
199     # Detach the backing file by reopening the whole thing
211                backing=None,
214     # Should get a json:{} filename (because we overrode the backing
219     # Open the original backing file
222                node_name='original-backing',
230     # Attach the original backing file to its overlay
233                node='original-backing',
241     vm.qmp_log('blockdev-del', node_name='original-backing')