Update windowsaio for changes to the thread structure

The free/busy/requeue list has been replaced with a FIFO + ring: update
windowsaio.c to work with the new code.

Modified by Jens to check for IO_U_F_FLIGHT before doing engine
private checks.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed