On 28/05/2015 04:49, Fam Zheng wrote:
>
> On a second thought, although in this series, we only need to modify
> virtio-{scsi,blk}, Wen pointed out that mirror job also wants this during
> completion (because bdrv_swap is in a BH after the job coroutine returns).
Mirror needs to pause/resume the source. It doesn't need to handle
pause/resume of the target, does it?
> So, in order for the solution to be general, and complete, this nofitier list
> approach relies on the listening devices to do the right thing, which requires
> modifying all of them, and is harder to maintain.
Isn't it only devices that use aio_set_event_notifier for their ioeventfd?
Paolo
