172 	struct test_abba *abba = container_of(work, typeof(*abba), work);  in test_abba_work()  local
177 	ww_mutex_lock(&abba->b_mutex, &ctx);  in test_abba_work()
179 	complete(&abba->b_ready);  in test_abba_work()
180 	wait_for_completion(&abba->a_ready);  in test_abba_work()
182 	err = ww_mutex_lock(&abba->a_mutex, &ctx);  in test_abba_work()
183 	if (abba->resolve && err == -EDEADLK) {  in test_abba_work()
184 		ww_mutex_unlock(&abba->b_mutex);  in test_abba_work()
185 		ww_mutex_lock_slow(&abba->a_mutex, &ctx);  in test_abba_work()
186 		err = ww_mutex_lock(&abba->b_mutex, &ctx);  in test_abba_work()
190 		ww_mutex_unlock(&abba->a_mutex);  in test_abba_work()
191 	ww_mutex_unlock(&abba->b_mutex);  in test_abba_work()
194 	abba->result = err;  in test_abba_work()
199 	struct test_abba abba;  in test_abba()  local
203 	ww_mutex_init(&abba.a_mutex, &ww_class);  in test_abba()
204 	ww_mutex_init(&abba.b_mutex, &ww_class);  in test_abba()
205 	INIT_WORK_ONSTACK(&abba.work, test_abba_work);  in test_abba()
206 	init_completion(&abba.a_ready);  in test_abba()
207 	init_completion(&abba.b_ready);  in test_abba()
208 	abba.resolve = resolve;  in test_abba()
210 	schedule_work(&abba.work);  in test_abba()
213 	ww_mutex_lock(&abba.a_mutex, &ctx);  in test_abba()
215 	complete(&abba.a_ready);  in test_abba()
216 	wait_for_completion(&abba.b_ready);  in test_abba()
218 	err = ww_mutex_lock(&abba.b_mutex, &ctx);  in test_abba()
220 		ww_mutex_unlock(&abba.a_mutex);  in test_abba()
221 		ww_mutex_lock_slow(&abba.b_mutex, &ctx);  in test_abba()
222 		err = ww_mutex_lock(&abba.a_mutex, &ctx);  in test_abba()
226 		ww_mutex_unlock(&abba.b_mutex);  in test_abba()
227 	ww_mutex_unlock(&abba.a_mutex);  in test_abba()
230 	flush_work(&abba.work);  in test_abba()
231 	destroy_work_on_stack(&abba.work);  in test_abba()
235 		if (err || abba.result) {  in test_abba()
237 			       __func__, err, abba.result);  in test_abba()
241 		if (err != -EDEADLK && abba.result != -EDEADLK) {  in test_abba()
243 			       __func__, err, abba.result);  in test_abba()