mutex: fix other locations where we are not waking within the lock

mutex: fix other locations where we are not waking within the lock

Our workqueue implementation had a few cases where it did not wake
while holding the lock, fix those up. Ditto for verify, where
async IO completion also needed the ordering switched.

Also see commit e4ccf13bad6d.

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