54 } _cache;  variable
56 #define _alloc(x) dm_pool_zalloc(_cache.mem, (x))
57 #define _free(x) dm_pool_free(_cache.mem, (x))
58 #define _strdup(x) dm_pool_strdup(_cache.mem, (x))
147 	if (_cache.preferred_names_matcher)  in dev_set_preferred_name()
168 	if (_cache.preferred_names_matcher) {  in _compare_paths()
169 		m0 = dm_regex_match(_cache.preferred_names_matcher, path0);  in _compare_paths()
170 		m1 = dm_regex_match(_cache.preferred_names_matcher, path1);  in _compare_paths()
258 	if (!(sl->str = dm_pool_strdup(_cache.mem, path)))  in _add_alias()
290 		if (dm_hash_lookup(_cache.names, path))  in _insert_dev()
297 	if (!(dev = (struct device *) btree_lookup(_cache.devices,  in _insert_dev()
306 		if (!(btree_insert(_cache.devices, (uint32_t) d, dev))) {  in _insert_dev()
318 	if (!dm_hash_insert(_cache.names, path, dev)) {  in _insert_dev()
466 	if (_cache.has_scanned && !dev_scan)  in _full_scan()
469 	dm_list_iterate_items(dl, &_cache.dirs)  in _full_scan()
472 	dm_list_iterate_items(dl, &_cache.files)  in _full_scan()
475 	_cache.has_scanned = 1;  in _full_scan()
481 	return _cache.has_scanned;  in dev_cache_has_scanned()
487 		_cache.has_scanned = 1;  in dev_cache_scan()
501 	_cache.preferred_names_matcher = NULL;  in _init_preferred_names()
536 	if (!(_cache.preferred_names_matcher =  in _init_preferred_names()
537 		dm_regex_create(_cache.mem,(const char **) regex, count))) {  in _init_preferred_names()
552 	_cache.names = NULL;  in dev_cache_init()
553 	_cache.has_scanned = 0;  in dev_cache_init()
555 	if (!(_cache.mem = dm_pool_create("dev_cache", 10 * 1024)))  in dev_cache_init()
558 	if (!(_cache.names = dm_hash_create(128))) {  in dev_cache_init()
559 		dm_pool_destroy(_cache.mem);  in dev_cache_init()
560 		_cache.mem = 0;  in dev_cache_init()
564 	if (!(_cache.devices = btree_create(_cache.mem))) {  in dev_cache_init()
569 	dm_list_init(&_cache.dirs);  in dev_cache_init()
570 	dm_list_init(&_cache.files);  in dev_cache_init()
590 	dm_hash_iter(_cache.names, (dm_hash_iterate_fn) _check_closed);  in _check_for_open_devices()
595 	if (_cache.names)  in dev_cache_exit()
598 	if (_cache.preferred_names_matcher)  in dev_cache_exit()
599 		_cache.preferred_names_matcher = NULL;  in dev_cache_exit()
601 	if (_cache.mem) {  in dev_cache_exit()
602 		dm_pool_destroy(_cache.mem);  in dev_cache_exit()
603 		_cache.mem = NULL;  in dev_cache_exit()
606 	if (_cache.names) {  in dev_cache_exit()
607 		dm_hash_destroy(_cache.names);  in dev_cache_exit()
608 		_cache.names = NULL;  in dev_cache_exit()
611 	_cache.devices = NULL;  in dev_cache_exit()
612 	_cache.has_scanned = 0;  in dev_cache_exit()
613 	dm_list_init(&_cache.dirs);  in dev_cache_exit()
614 	dm_list_init(&_cache.files);  in dev_cache_exit()
639 	dm_list_add(&_cache.dirs, &dl->list);  in dev_cache_add_dir()
665 	dm_list_add(&_cache.files, &dl->list);  in dev_cache_add_loopfile()
701 		dm_hash_remove(_cache.names, name);  in dev_name_confirmed()
725 	struct device *d = (struct device *) dm_hash_lookup(_cache.names, name);  in dev_cache_get()
732 		dm_hash_remove(_cache.names, name);  in dev_cache_get()
738 		d = (struct device *) dm_hash_lookup(_cache.names, name);  in dev_cache_get()
741 			d = (struct device *) dm_hash_lookup(_cache.names, name);  in dev_cache_get()
765 	di->current = btree_first(_cache.devices);  in dev_iter_create()