fs/cachefiles/interface.c

22 struct cachefiles_object *cachefiles_alloc_object(struct fscache_cookie *cookie)
24 	struct fscache_volume *vcookie = cookie->volume;
28 	_enter("{%s},%x,", vcookie->key, cookie->debug_id);
45 	object->cookie = fscache_get_cookie(cookie, fscache_cookie_get_attach_object);
48 	trace_cachefiles_ref(object->debug_id, cookie->debug_id, 1,
59 	trace_cachefiles_ref(object->debug_id, object->cookie->debug_id,
72 	trace_cachefiles_ref(object->debug_id, object->cookie->debug_id, r, why);
83 	unsigned int cookie_debug_id = object->cookie->debug_id;
98 		fscache_put_cookie(object->cookie, fscache_cookie_put_object);
99 		object->cookie = NULL;
122 	ni_size = object->cookie->object_size;
177 static bool cachefiles_lookup_cookie(struct fscache_cookie *cookie)
180 	struct cachefiles_cache *cache = cookie->volume->cache->cache_priv;
184 	object = cachefiles_alloc_object(cookie);
193 	cookie->cache_priv = object;
215 	fscache_caching_failed(cookie);
216 	_debug("failed c=%08x o=%08x", cookie->debug_id, object->debug_id);
217 	/* The caller holds an access count on the cookie, so we need them to
283 	struct fscache_cookie *cookie = object->cookie;
286 	loff_t old_size = cookie->object_size;
294 		object->cookie->object_size = new_size;
299 	 * particularly.  cookie->initial_size doesn't change and so the point
302 	cookie->object_size = new_size;
313 	if (test_and_clear_bit(FSCACHE_COOKIE_LOCAL_WRITE, &object->cookie->flags))
315 	if (test_and_clear_bit(FSCACHE_COOKIE_NEEDS_UPDATE, &object->cookie->flags))
330 	if (test_bit(FSCACHE_COOKIE_RETIRED, &object->cookie->flags)) {
352  * Withdraw caching for a cookie.
354 static void cachefiles_withdraw_cookie(struct fscache_cookie *cookie)
356 	struct cachefiles_object *object = cookie->cache_priv;
378 	cookie->cache_priv = NULL;
383  * Invalidate the storage associated with a cookie.
385 static bool cachefiles_invalidate_cookie(struct fscache_cookie *cookie)
387 	struct cachefiles_object *object = cookie->cache_priv;
391 	_enter("o=%x,[%llu]", object->debug_id, object->cookie->object_size);
396 		fscache_resume_after_invalidation(cookie);
413 	set_bit(FSCACHE_COOKIE_NEEDS_UPDATE, &object->cookie->flags);
419 	fscache_resume_after_invalidation(cookie);
424 			struct dentry *fan = volume->fanout[(u8)cookie->key_hash];