43     return transaction_action('block-dirty-bitmap-clear',
52 class Bitmap:  class
191     def make_reference_backup(self, bitmap=None):  argument
192         if bitmap is None:
193             bitmap = self.bitmaps[-1]
194         _, reference = bitmap.last_target()
195         res = self.do_qmp_backup(job_id=bitmap.drive['id'],
196                                  device=bitmap.drive['id'], sync='full',
197                                  format=bitmap.drive['fmt'], target=reference)
202         bitmap = Bitmap(name, drive)
203         self.bitmaps.append(bitmap)
204         self.vm.cmd('block-dirty-bitmap-add', node=drive['id'],
205                     name=bitmap.name, **kwargs)
206         return bitmap
209     def prepare_backup(self, bitmap=None, parent=None, **kwargs):  argument
210         if bitmap is None:
211             bitmap = self.bitmaps[-1]
213             parent, _ = bitmap.last_target()
215         target, _ = bitmap.new_target()
216         self.img_create(target, bitmap.drive['fmt'], parent=parent,
221     def create_incremental(self, bitmap=None, parent=None,  argument
224         if bitmap is None:
225             bitmap = self.bitmaps[-1]
227             parent, _ = bitmap.last_target()
230             target = self.prepare_backup(bitmap, parent)
231         res = self.do_qmp_backup(job_id=bitmap.drive['id'],
232                                  device=bitmap.drive['id'],
233                                  sync='incremental', bitmap=bitmap.name,
234                                  format=bitmap.drive['fmt'], target=target,
237             bitmap.del_target();
240             self.make_reference_backup(bitmap)
245         for bitmap in self.bitmaps:
246             for incremental, reference in bitmap.backups:
248             last = bitmap.last_target()[0]
249             self.assertTrue(iotests.compare_images(last, bitmap.drive['file']))
281         for bitmap in self.bitmaps:
282             bitmap.cleanup()
293         Create a bitmap and a full backup before VM execution begins,
302         Test: Create and verify backups made with a small granularity bitmap.
312         Test: Create and verify backups made with a large granularity bitmap.
336         # Create bitmap and dirty it with some new writes.
337         # overwrite [32736, 32799] which will dirty bitmap clusters at
344         # Check the dirty bitmap stats
360                                            bitmap=bitmap0.name,
376         Create a bitmap "before" VM execution begins, then create a second
377         bitmap AFTER writes have already occurred. Use transactions to create
470                                      bitmap=dr0bm0.name),
473                                      bitmap=dr1bm0.name)
521         Add a second drive with its own unique pattern, and add a bitmap to each
553                              sync='incremental', bitmap='unknown',
571         Test: Add a bitmap, truncate the image, write past the old
687         bitmap = self.add_bitmap('bitmap0', drive0)
694         # Bitmap Status Check
696             drive0['id'], bitmap.name, {
704         parent, _ = bitmap.last_target()
705         target = self.prepare_backup(bitmap, parent)
707                     job_id=bitmap.drive['id'],
708                     device=bitmap.drive['id'],
710                     bitmap=bitmap.name,
711                     format=bitmap.drive['fmt'],
718                                    match={"data":{"device":bitmap.drive['id']}})
719         self.assert_qmp(event, 'data', {'device': bitmap.drive['id'],
723         # Bitmap Status Check
725             drive0['id'], bitmap.name, {
733         self.vm.cmd('block-job-resume', device=bitmap.drive['id'])
734         self.wait_qmp_backup(bitmap.drive['id'])
736         # Bitmap Status Check
738             drive0['id'], bitmap.name, {
746         self.make_reference_backup(bitmap)