27  * via the careful use of barrier messages sent to all the index zones by the triage queue worker
37  * and the serialization of the barrier requests from the triage queue ensures they will all
41  * are known to be blocked, waiting in the second barrier. Outside that critical section, all the
144 	/* Lock for this barrier object */
146 	/* Semaphore for threads waiting at this barrier */
150 	/* Total number of threads using this barrier */
169 static void initialize_threads_barrier(struct threads_barrier *barrier,  in initialize_threads_barrier()  argument
172 	sema_init(&barrier->lock, 1);  in initialize_threads_barrier()
173 	barrier->arrived = 0;  in initialize_threads_barrier()
174 	barrier->thread_count = thread_count;  in initialize_threads_barrier()
175 	sema_init(&barrier->wait, 0);  in initialize_threads_barrier()
199 static void enter_threads_barrier(struct threads_barrier *barrier)  in enter_threads_barrier()  argument
201 	__down(&barrier->lock);  in enter_threads_barrier()
202 	if (++barrier->arrived == barrier->thread_count) {  in enter_threads_barrier()
206 		for (i = 1; i < barrier->thread_count; i++)  in enter_threads_barrier()
207 			up(&barrier->wait);  in enter_threads_barrier()
209 		barrier->arrived = 0;  in enter_threads_barrier()
210 		up(&barrier->lock);  in enter_threads_barrier()
212 		up(&barrier->lock);  in enter_threads_barrier()
213 		__down(&barrier->wait);  in enter_threads_barrier()
502 	 * Wait for every zone thread to reach its corresponding barrier request and invoke this  in uds_update_sparse_cache()