destroyq 65 drivers/md/dm-kcopyd.c wait_queue_head_t destroyq; destroyq 508 drivers/md/dm-kcopyd.c wake_up(&kc->destroyq); destroyq 952 drivers/md/dm-kcopyd.c init_waitqueue_head(&kc->destroyq); destroyq 973 drivers/md/dm-kcopyd.c wait_event(kc->destroyq, !atomic_read(&kc->nr_jobs));