Re: [Qemu-block] [PATCH v4 09/12] iotests.py: Add qemu_nbd function

[Kevin Wolf]

Am 15.10.2016 um 19:17 hat Max Reitz geschrieben:
> On 13.10.2016 15:11, Kevin Wolf wrote:
> > Am 28.09.2016 um 22:55 hat Max Reitz geschrieben:
> >> Signed-off-by: Max Reitz <address@hidden>
> >> ---
> >>  tests/qemu-iotests/iotests.py | 8 ++++++++
> >>  1 file changed, 8 insertions(+)
> >>
> >> diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
> >> index 3329bc1..5a2678f 100644
> >> --- a/tests/qemu-iotests/iotests.py
> >> +++ b/tests/qemu-iotests/iotests.py
> >> @@ -39,6 +39,10 @@ qemu_io_args = [os.environ.get('QEMU_IO_PROG', 
> >> 'qemu-io')]
> >>  if os.environ.get('QEMU_IO_OPTIONS'):
> >>      qemu_io_args += os.environ['QEMU_IO_OPTIONS'].strip().split(' ')
> >>  
> >> +qemu_nbd_args = [os.environ.get('QEMU_NBD_PROG', 'qemu-nbd')]
> >> +if os.environ.get('QEMU_NBD_OPTIONS'):
> >> +    qemu_nbd_args += os.environ['QEMU_NBD_OPTIONS'].strip().split(' ')
> >> +
> >>  qemu_prog = os.environ.get('QEMU_PROG', 'qemu')
> >>  qemu_opts = os.environ.get('QEMU_OPTIONS', '').strip().split(' ')
> >>  
> >> @@ -87,6 +91,10 @@ def qemu_io(*args):
> >>          sys.stderr.write('qemu-io received signal %i: %s\n' % (-exitcode, 
> >> ' '.join(args)))
> >>      return subp.communicate()[0]
> >>  
> >> +def qemu_nbd(*args):
> >> +    '''Run qemu-nbd in daemon mode and return the parent's exit code'''
> >> +    return subprocess.call(qemu_nbd_args + ['--fork'] + list(args))
> > 
> > Wouldn't it be better to always use -t, track the PID and shut it down
> > explicitly when the test exits?
> 
> Probably. It's a lot more complicated, though. I'll see what I can do
> but I'm not sure if I can do a lot before 2.8.

In that case, I'd prefer to have this series in 2.8 and improve the test
case later, so don't let this stop you from sending the next version.

Kevin

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