Am 08.09.2011 17:24, schrieb Paolo Bonzini:
> I find nbd quite useful to test migration, but it is limited:
> it can only do synchronous operation, it is not safe because it
> does not support flush, and it has no discard either. qemu-nbd
> is also limited to 1MB requests, and the nbd block driver
On 09/09/11 12:04, Kevin Wolf wrote:
> Good to see agreement here. Do you think that Paolo's patches need to be
> changed or can we do everything else on top?
A few things have come up on a third read, actually. I'll respond in due
course to the appropriate patch.
> We do have some timer stubs i
Am 09.09.2011 12:50, schrieb Nicholas Thomas:
> On Fri, 2011-09-09 at 12:29 +0200, Paolo Bonzini wrote:
>> On 09/09/2011 11:00 AM, Kevin Wolf wrote:
>>> There is anonther patch enabling AIO for NBD on the list [1], by
>>> Nicholas Thomas (CCed), that lacked review so far. Can you guys please
>>> re
On 09/09/2011 12:50 PM, Nicholas Thomas wrote:
> On the other hand, Nicholas's work includes timeout and reconnect. I'm
> not sure how complicated it is to include it in my series, but probably
> not much. With coroutines, preserving the list of outstanding I/O
> requests is done implicitly
On Fri, 2011-09-09 at 12:29 +0200, Paolo Bonzini wrote:
> On 09/09/2011 11:00 AM, Kevin Wolf wrote:
> > There is anonther patch enabling AIO for NBD on the list [1], by
> > Nicholas Thomas (CCed), that lacked review so far. Can you guys please
> > review each others approach and then converge on a
Am 09.09.2011 12:29, schrieb Paolo Bonzini:
> On 09/09/2011 11:00 AM, Kevin Wolf wrote:
>> There is anonther patch enabling AIO for NBD on the list [1], by
>> Nicholas Thomas (CCed), that lacked review so far. Can you guys please
>> review each others approach and then converge on a solution? I gue
On 09/09/2011 11:00 AM, Kevin Wolf wrote:
There is anonther patch enabling AIO for NBD on the list [1], by
Nicholas Thomas (CCed), that lacked review so far. Can you guys please
review each others approach and then converge on a solution? I guess
Paolo's patches 1-7 can be applied in any case, pr
Am 08.09.2011 17:24, schrieb Paolo Bonzini:
> I find nbd quite useful to test migration, but it is limited:
> it can only do synchronous operation, it is not safe because it
> does not support flush, and it has no discard either. qemu-nbd
> is also limited to 1MB requests, and the nbd block driver
I find nbd quite useful to test migration, but it is limited:
it can only do synchronous operation, it is not safe because it
does not support flush, and it has no discard either. qemu-nbd
is also limited to 1MB requests, and the nbd block driver does
not take this into account.
Luckily, flush/FU
