Lines Matching full:scl

457 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
458 		mutex_init(&scl->scl_lock, NULL, MUTEX_DEFAULT, NULL);
459 		cv_init(&scl->scl_cv, NULL, CV_DEFAULT, NULL);
460 		scl->scl_writer = NULL;
461 		scl->scl_write_wanted = 0;
462 		scl->scl_count = 0;
470 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
471 		mutex_destroy(&scl->scl_lock);
472 		cv_destroy(&scl->scl_cv);
473 		ASSERT(scl->scl_writer == NULL);
474 		ASSERT(scl->scl_write_wanted == 0);
475 		ASSERT(scl->scl_count == 0);
483 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
486 		mutex_enter(&scl->scl_lock);
488 			if (scl->scl_writer || scl->scl_write_wanted) {
489 				mutex_exit(&scl->scl_lock);
495 			ASSERT(scl->scl_writer != curthread);
496 			if (scl->scl_count != 0) {
497 				mutex_exit(&scl->scl_lock);
502 			scl->scl_writer = curthread;
504 		scl->scl_count++;
505 		mutex_exit(&scl->scl_lock);
520 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
521 		if (scl->scl_writer == curthread)
525 		mutex_enter(&scl->scl_lock);
527 			while (scl->scl_writer ||
528 			    (!mmp_flag && scl->scl_write_wanted)) {
529 				cv_wait(&scl->scl_cv, &scl->scl_lock);
532 			ASSERT(scl->scl_writer != curthread);
533 			while (scl->scl_count != 0) {
534 				scl->scl_write_wanted++;
535 				cv_wait(&scl->scl_cv, &scl->scl_lock);
536 				scl->scl_write_wanted--;
538 			scl->scl_writer = curthread;
540 		scl->scl_count++;
541 		mutex_exit(&scl->scl_lock);
572 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
575 		mutex_enter(&scl->scl_lock);
576 		ASSERT(scl->scl_count > 0);
577 		if (--scl->scl_count == 0) {
578 			ASSERT(scl->scl_writer == NULL ||
579 			    scl->scl_writer == curthread);
580 			scl->scl_writer = NULL;	/* OK in either case */
581 			cv_broadcast(&scl->scl_cv);
583 		mutex_exit(&scl->scl_lock);
593 		spa_config_lock_t *scl = &spa->spa_config_lock[i];
596 		if ((rw == RW_READER && scl->scl_count != 0) ||
597 		    (rw == RW_WRITER && scl->scl_writer == curthread))