95 	struct fscache_cache *cache;  in fscache_select_cache_for_object()  local
113 		cache = object->cache;  in fscache_select_cache_for_object()
115 		    test_bit(FSCACHE_IOERROR, &cache->flags))  in fscache_select_cache_for_object()
116 			cache = NULL;  in fscache_select_cache_for_object()
119 		_leave(" = %p [parent]", cache);  in fscache_select_cache_for_object()
120 		return cache;  in fscache_select_cache_for_object()
147 	if (!tag->cache) {  in fscache_select_cache_for_object()
152 	if (test_bit(FSCACHE_IOERROR, &tag->cache->flags))  in fscache_select_cache_for_object()
155 	_leave(" = %p [specific]", tag->cache);  in fscache_select_cache_for_object()
156 	return tag->cache;  in fscache_select_cache_for_object()
160 	cache = list_entry(fscache_cache_list.next,  in fscache_select_cache_for_object()
162 	_leave(" = %p [first]", cache);  in fscache_select_cache_for_object()
163 	return cache;  in fscache_select_cache_for_object()
178 void fscache_init_cache(struct fscache_cache *cache,  in fscache_init_cache()  argument
185 	memset(cache, 0, sizeof(*cache));  in fscache_init_cache()
187 	cache->ops = ops;  in fscache_init_cache()
190 	vsnprintf(cache->identifier, sizeof(cache->identifier), idfmt, va);  in fscache_init_cache()
193 	INIT_WORK(&cache->op_gc, fscache_operation_gc);  in fscache_init_cache()
194 	INIT_LIST_HEAD(&cache->link);  in fscache_init_cache()
195 	INIT_LIST_HEAD(&cache->object_list);  in fscache_init_cache()
196 	INIT_LIST_HEAD(&cache->op_gc_list);  in fscache_init_cache()
197 	spin_lock_init(&cache->object_list_lock);  in fscache_init_cache()
198 	spin_lock_init(&cache->op_gc_list_lock);  in fscache_init_cache()
213 int fscache_add_cache(struct fscache_cache *cache,  in fscache_add_cache()  argument
220 	BUG_ON(!cache->ops);  in fscache_add_cache()
223 	cache->flags = 0;  in fscache_add_cache()
230 		tagname = cache->identifier;  in fscache_add_cache()
234 	_enter("{%s.%s},,%s", cache->ops->name, cache->identifier, tagname);  in fscache_add_cache()
244 	cache->kobj = kobject_create_and_add(tagname, fscache_root);  in fscache_add_cache()
245 	if (!cache->kobj)  in fscache_add_cache()
248 	ifsdef->cache = cache;  in fscache_add_cache()
249 	cache->fsdef = ifsdef;  in fscache_add_cache()
253 	tag->cache = cache;  in fscache_add_cache()
254 	cache->tag = tag;  in fscache_add_cache()
257 	list_add(&cache->link, &fscache_cache_list);  in fscache_add_cache()
261 	spin_lock(&cache->object_list_lock);  in fscache_add_cache()
262 	list_add_tail(&ifsdef->cache_link, &cache->object_list);  in fscache_add_cache()
263 	spin_unlock(&cache->object_list_lock);  in fscache_add_cache()
280 		  cache->tag->name, cache->ops->name);  in fscache_add_cache()
281 	kobject_uevent(cache->kobj, KOBJ_ADD);  in fscache_add_cache()
283 	_leave(" = 0 [%s]", cache->identifier);  in fscache_add_cache()
313 void fscache_io_error(struct fscache_cache *cache)  in fscache_io_error()  argument
315 	if (!test_and_set_bit(FSCACHE_IOERROR, &cache->flags))  in fscache_io_error()
317 		       cache->ops->name);  in fscache_io_error()
325 static void fscache_withdraw_all_objects(struct fscache_cache *cache,  in fscache_withdraw_all_objects()  argument
330 	while (!list_empty(&cache->object_list)) {  in fscache_withdraw_all_objects()
331 		spin_lock(&cache->object_list_lock);  in fscache_withdraw_all_objects()
333 		if (!list_empty(&cache->object_list)) {  in fscache_withdraw_all_objects()
334 			object = list_entry(cache->object_list.next,  in fscache_withdraw_all_objects()
346 		spin_unlock(&cache->object_list_lock);  in fscache_withdraw_all_objects()
361 void fscache_withdraw_cache(struct fscache_cache *cache)  in fscache_withdraw_cache()  argument
368 		  cache->tag->name);  in fscache_withdraw_cache()
371 	if (test_and_set_bit(FSCACHE_CACHE_WITHDRAWN, &cache->flags))  in fscache_withdraw_cache()
375 	list_del_init(&cache->link);  in fscache_withdraw_cache()
376 	cache->tag->cache = NULL;  in fscache_withdraw_cache()
382 	cache->ops->sync_cache(cache);  in fscache_withdraw_cache()
388 	cache->ops->dissociate_pages(cache);  in fscache_withdraw_cache()
396 	fscache_withdraw_all_objects(cache, &dying_objects);  in fscache_withdraw_cache()
402 		   atomic_read(&cache->object_count) == 0);  in fscache_withdraw_cache()
405 		   list_empty(&cache->object_list));  in fscache_withdraw_cache()
409 	kobject_put(cache->kobj);  in fscache_withdraw_cache()
411 	clear_bit(FSCACHE_TAG_RESERVED, &cache->tag->flags);  in fscache_withdraw_cache()
412 	fscache_release_cache_tag(cache->tag);  in fscache_withdraw_cache()
413 	cache->tag = NULL;  in fscache_withdraw_cache()