> On May 20, 2015, at 11:24 AM, Eitan Eliahu <elia...@vmware.com> wrote: > If a NULL sent rather than an overlapped structure, the thread which calls > DeviceIOControl is blocked until the I/O is completed by the driver.
Agree. So, looks like we don’t need handling for STATUS_PENDING when overlapped structure is NULL. > With respect to WFP related I/O I don't think we need to return pending > status from the driver. It should be fine to block the user mode thread > during the WFP transaction processing. Sorin’s approach is to return STATUS_PENDING and make userspace block until the IRP is complete. I think he’s doing what you are asking for. -- Nithin _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
