They wrap blkdebug "break" and "remove_break". Add optional argument "resume" to cancel_and_wait().
Signed-off-by: Fam Zheng <f...@redhat.com> --- tests/qemu-iotests/iotests.py | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index fb10ff4..10c9a99 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -107,6 +107,19 @@ class VM(object): self._num_drives += 1 return self + def pause_drive(self, drive, event=None): + '''Pause drive r/w operations''' + if not event: + self.pause_drive(drive, "read_aio") + self.pause_drive(drive, "write_aio") + return + self.qmp('human-monitor-command', + command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive)) + + def resume_drive(self, drive): + self.qmp('human-monitor-command', + command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive)) + def hmp_qemu_io(self, drive, cmd): '''Write to a given drive using an HMP command''' return self.qmp('human-monitor-command', @@ -222,11 +235,14 @@ class QMPTestCase(unittest.TestCase): result = self.vm.qmp('query-block-jobs') self.assert_qmp(result, 'return', []) - def cancel_and_wait(self, drive='drive0', force=False): + def cancel_and_wait(self, drive='drive0', force=False, resume=False): '''Cancel a block job and wait for it to finish, returning the event''' result = self.vm.qmp('block-job-cancel', device=drive, force=force) self.assert_qmp(result, 'return', {}) + if resume: + self.vm.resume_drive(drive) + cancelled = False result = None while not cancelled: -- 1.8.4.2