Re: [Qemu-devel] [PATCH 0/2] win32-aio fixes

[Paolo Bonzini <pbonzini@redhat.com>]

Il 17/01/2013 12:35, Kevin Wolf ha scritto:
> Am 17.01.2013 11:53, schrieb Paolo Bonzini:
>> Il 16/01/2013 21:19, Kevin Wolf ha scritto:
>>> Paolo, especially the first one is worrying with respect to the test status of
>>> this code. We should probably give it some additional testing.
>>>
>>> Kevin Wolf (2):
>>>   win32-aio: Fix vectored reads
>>>   win32-aio: Fix memory leak
>>>
>>>  block/win32-aio.c |    4 ++--
>>>  1 files changed, 2 insertions(+), 2 deletions(-)
>>>
>>
>> Yes, the worrying part is especially that IIUC qtest does not support
>> Windows.  There's no way to get good coverage without qtest.
> 
> Why that? If block drivers aren't testable from qemu-iotests with only
> qemu-img and qemu-io, then there's something we did wrong. This specific
> code would have been easily covered with qemu-io -k -n -c 'readv ...'
> (which is how I found the bug and tested the fix).

Doh, that was really stupid.

/me unsuccessfully tries to blame flu

> Hm, or actually, is cache=none even needed for aio=native on Windows? In
> any case I think some documentation needs to be updated.

Honestly I have no idea.  However, I don't think so.

Paolo

> qemu-iotests under Wine may need some polishing, though, and of course
> needs someone to run it regularly with the right parameters. (In fact,
> it seems we don't even run the tests with Linux AIO)