mdk_thread_t       79 include/linux/raid/md.h extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev),
mdk_thread_t       81 include/linux/raid/md.h extern void md_unregister_thread (mdk_thread_t *thread);
mdk_thread_t       82 include/linux/raid/md.h extern void md_wakeup_thread(mdk_thread_t *thread);