21 	struct cachefiles_object *object = file->private_data;  in cachefiles_ondemand_fd_release()  local
28 	if (!object)  in cachefiles_ondemand_fd_release()
31 	info = object->ondemand;  in cachefiles_ondemand_fd_release()
32 	cache = object->volume->cache;  in cachefiles_ondemand_fd_release()
39 	cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_fd_release()
53 	trace_cachefiles_ondemand_fd_release(object, object_id);  in cachefiles_ondemand_fd_release()
54 	cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd);  in cachefiles_ondemand_fd_release()
62 	struct cachefiles_object *object = kiocb->ki_filp->private_data;  in cachefiles_ondemand_fd_write_iter()  local
63 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_fd_write_iter()
70 	spin_lock(&object->lock);  in cachefiles_ondemand_fd_write_iter()
71 	file = object->file;  in cachefiles_ondemand_fd_write_iter()
73 		spin_unlock(&object->lock);  in cachefiles_ondemand_fd_write_iter()
77 	spin_unlock(&object->lock);  in cachefiles_ondemand_fd_write_iter()
80 	ret = __cachefiles_prepare_write(object, file, &pos, &len, true);  in cachefiles_ondemand_fd_write_iter()
85 	trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len);  in cachefiles_ondemand_fd_write_iter()
86 	ret = __cachefiles_write(object, file, pos, iter, NULL, NULL);  in cachefiles_ondemand_fd_write_iter()
98 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_llseek()  local
102 	spin_lock(&object->lock);  in cachefiles_ondemand_fd_llseek()
103 	file = object->file;  in cachefiles_ondemand_fd_llseek()
105 		spin_unlock(&object->lock);  in cachefiles_ondemand_fd_llseek()
109 	spin_unlock(&object->lock);  in cachefiles_ondemand_fd_llseek()
120 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_ioctl()  local
121 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_fd_ioctl()
134 	    req->object != object) {  in cachefiles_ondemand_fd_ioctl()
141 	trace_cachefiles_ondemand_cread(object, id);  in cachefiles_ondemand_fd_ioctl()
157  *   <cache_size> indicates the object size if >=0, error code if negative
196 	    !req->object->ondemand->ondemand_id) {  in cachefiles_ondemand_copen()
203 	info = req->object->ondemand;  in cachefiles_ondemand_copen()
234 	 * cachefiles_ondemand_set_object_close(object)  in cachefiles_ondemand_copen()
249 	cookie = req->object->cookie;  in cachefiles_ondemand_copen()
255 	trace_cachefiles_ondemand_copen(req->object, id, size);  in cachefiles_ondemand_copen()
257 	cachefiles_ondemand_set_object_open(req->object);  in cachefiles_ondemand_copen()
263 	/* Need to set object close to avoid reopen status continuing */  in cachefiles_ondemand_copen()
265 		cachefiles_ondemand_set_object_close(req->object);  in cachefiles_ondemand_copen()
297 	struct cachefiles_object *object;  in cachefiles_ondemand_get_fd()  local
303 	object = cachefiles_grab_object(req->object,  in cachefiles_ondemand_get_fd()
305 	cache = object->volume->cache;  in cachefiles_ondemand_get_fd()
320 				&cachefiles_ondemand_fd_fops, object, O_WRONLY);  in cachefiles_ondemand_get_fd()
326 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
327 	if (object->ondemand->ondemand_id > 0) {  in cachefiles_ondemand_get_fd()
328 		spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
339 	object->ondemand->ondemand_id = object_id;  in cachefiles_ondemand_get_fd()
340 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
343 	trace_cachefiles_ondemand_open(object, &req->msg, load);  in cachefiles_ondemand_get_fd()
355 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
356 	/* Avoid marking an opened object as closed. */  in cachefiles_ondemand_get_fd()
357 	if (object->ondemand->ondemand_id <= 0)  in cachefiles_ondemand_get_fd()
358 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_get_fd()
359 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
360 	cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd);  in cachefiles_ondemand_get_fd()
369 	cachefiles_ondemand_init_object(info->object);  in ondemand_object_worker()
374  * closed object, reopen it.
375  * Skip read requests whose related object is reopening.
381 	struct cachefiles_object *object;  in cachefiles_ondemand_select_req()  local
387 		object = req->object;  in cachefiles_ondemand_select_req()
388 		info = object->ondemand;  in cachefiles_ondemand_select_req()
389 		if (cachefiles_ondemand_object_is_close(object)) {  in cachefiles_ondemand_select_req()
390 			cachefiles_ondemand_set_object_reopening(object);  in cachefiles_ondemand_select_req()
394 		if (cachefiles_ondemand_object_is_reopening(object))  in cachefiles_ondemand_select_req()
452 	cachefiles_grab_object(req->object, cachefiles_obj_get_read_req);  in cachefiles_ondemand_daemon_read()
462 	msg->object_id = req->object->ondemand->ondemand_id;  in cachefiles_ondemand_daemon_read()
476 	cachefiles_put_object(req->object, cachefiles_obj_put_read_req);  in cachefiles_ondemand_daemon_read()
486 static int cachefiles_ondemand_send_req(struct cachefiles_object *object,  in cachefiles_ondemand_send_req()  argument
492 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_send_req()
512 	req->object = object;  in cachefiles_ondemand_send_req()
540 		    cachefiles_ondemand_object_is_dropping(object)) {  in cachefiles_ondemand_send_req()
550 		    !cachefiles_ondemand_object_is_open(object)) {  in cachefiles_ondemand_send_req()
551 			WARN_ON_ONCE(object->ondemand->ondemand_id == 0);  in cachefiles_ondemand_send_req()
599 	/* Reset the object to close state in error handling path.  in cachefiles_ondemand_send_req()
601 	 * cachefiles_ondemand_fd_release() will set object to close.  in cachefiles_ondemand_send_req()
604 	    !cachefiles_ondemand_object_is_dropping(object))  in cachefiles_ondemand_send_req()
605 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_send_req()
613 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_open_req()  local
614 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_open_req()
615 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_open_req()
631 	if (!(object->cookie->advice & FSCACHE_ADV_WANT_CACHE_SIZE)) {  in cachefiles_ondemand_init_open_req()
647 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_close_req()  local
649 	if (!cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_close_req()
652 	trace_cachefiles_ondemand_close(object, &req->msg);  in cachefiles_ondemand_init_close_req()
664 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_read_req()  local
670 	trace_cachefiles_ondemand_read(object, &req->msg, load);  in cachefiles_ondemand_init_read_req()
674 int cachefiles_ondemand_init_object(struct cachefiles_object *object)  in cachefiles_ondemand_init_object()  argument
676 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_object()
677 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_object()
680 	if (!object->ondemand)  in cachefiles_ondemand_init_object()
687 	 * allocated object ID if any.  in cachefiles_ondemand_init_object()
689 	if (cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_object()
697 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_OPEN,  in cachefiles_ondemand_init_object()
701 void cachefiles_ondemand_clean_object(struct cachefiles_object *object)  in cachefiles_ondemand_clean_object()  argument
707 	if (!object->ondemand)  in cachefiles_ondemand_clean_object()
710 	cachefiles_ondemand_send_req(object, CACHEFILES_OP_CLOSE, 0,  in cachefiles_ondemand_clean_object()
713 	if (!object->ondemand->ondemand_id)  in cachefiles_ondemand_clean_object()
716 	/* Cancel all requests for the object that is being dropped. */  in cachefiles_ondemand_clean_object()
717 	cache = object->volume->cache;  in cachefiles_ondemand_clean_object()
719 	cachefiles_ondemand_set_object_dropping(object);  in cachefiles_ondemand_clean_object()
721 		if (req->object == object) {  in cachefiles_ondemand_clean_object()
730 	cancel_work_sync(&object->ondemand->ondemand_work);  in cachefiles_ondemand_clean_object()
733 int cachefiles_ondemand_init_obj_info(struct cachefiles_object *object,  in cachefiles_ondemand_init_obj_info()  argument
739 	object->ondemand = kzalloc(sizeof(struct cachefiles_ondemand_info),  in cachefiles_ondemand_init_obj_info()
741 	if (!object->ondemand)  in cachefiles_ondemand_init_obj_info()
744 	object->ondemand->object = object;  in cachefiles_ondemand_init_obj_info()
745 	spin_lock_init(&object->ondemand->lock);  in cachefiles_ondemand_init_obj_info()
746 	INIT_WORK(&object->ondemand->ondemand_work, ondemand_object_worker);  in cachefiles_ondemand_init_obj_info()
750 void cachefiles_ondemand_deinit_obj_info(struct cachefiles_object *object)  in cachefiles_ondemand_deinit_obj_info()  argument
752 	kfree(object->ondemand);  in cachefiles_ondemand_deinit_obj_info()
753 	object->ondemand = NULL;  in cachefiles_ondemand_deinit_obj_info()
756 int cachefiles_ondemand_read(struct cachefiles_object *object,  in cachefiles_ondemand_read()  argument
761 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_READ,  in cachefiles_ondemand_read()