29 	struct fscache_cache_tag *tag, *xtag;  in __fscache_lookup_cache_tag()  local
34 	list_for_each_entry(tag, &fscache_cache_tag_list, link) {  in __fscache_lookup_cache_tag()
35 		if (strcmp(tag->name, name) == 0) {  in __fscache_lookup_cache_tag()
36 			atomic_inc(&tag->usage);  in __fscache_lookup_cache_tag()
38 			return tag;  in __fscache_lookup_cache_tag()
56 	list_for_each_entry(tag, &fscache_cache_tag_list, link) {  in __fscache_lookup_cache_tag()
57 		if (strcmp(tag->name, name) == 0) {  in __fscache_lookup_cache_tag()
58 			atomic_inc(&tag->usage);  in __fscache_lookup_cache_tag()
61 			return tag;  in __fscache_lookup_cache_tag()
73 void __fscache_release_cache_tag(struct fscache_cache_tag *tag)  in __fscache_release_cache_tag()  argument
75 	if (tag != ERR_PTR(-ENOMEM)) {  in __fscache_release_cache_tag()
78 		if (atomic_dec_and_test(&tag->usage))  in __fscache_release_cache_tag()
79 			list_del_init(&tag->link);  in __fscache_release_cache_tag()
81 			tag = NULL;  in __fscache_release_cache_tag()
85 		kfree(tag);  in __fscache_release_cache_tag()
97 	struct fscache_cache_tag *tag;  in fscache_select_cache_for_object()  local
141 	tag = cookie->def->select_cache(cookie->parent->netfs_data,  in fscache_select_cache_for_object()
143 	if (!tag)  in fscache_select_cache_for_object()
146 	if (tag == ERR_PTR(-ENOMEM)) {  in fscache_select_cache_for_object()
151 	if (!tag->cache) {  in fscache_select_cache_for_object()
156 	if (test_bit(FSCACHE_IOERROR, &tag->cache->flags))  in fscache_select_cache_for_object()
159 	_leave(" = %p [specific]", tag->cache);  in fscache_select_cache_for_object()
160 	return tag->cache;  in fscache_select_cache_for_object()
221 	struct fscache_cache_tag *tag;  in fscache_add_cache()  local
240 	tag = __fscache_lookup_cache_tag(tagname);  in fscache_add_cache()
241 	if (IS_ERR(tag))  in fscache_add_cache()
244 	if (test_and_set_bit(FSCACHE_TAG_RESERVED, &tag->flags))  in fscache_add_cache()
257 	tag->cache = cache;  in fscache_add_cache()
258 	cache->tag = tag;  in fscache_add_cache()
284 		  cache->tag->name, cache->ops->name);  in fscache_add_cache()
292 	__fscache_release_cache_tag(tag);  in fscache_add_cache()
297 	__fscache_release_cache_tag(tag);  in fscache_add_cache()
372 		  cache->tag->name);  in fscache_withdraw_cache()
380 	cache->tag->cache = NULL;  in fscache_withdraw_cache()
415 	clear_bit(FSCACHE_TAG_RESERVED, &cache->tag->flags);  in fscache_withdraw_cache()
416 	fscache_release_cache_tag(cache->tag);  in fscache_withdraw_cache()
417 	cache->tag = NULL;  in fscache_withdraw_cache()