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()
64 	struct file *file = object->file;  in cachefiles_ondemand_fd_write_iter()
74 	ret = __cachefiles_prepare_write(object, file, &pos, &len, true);  in cachefiles_ondemand_fd_write_iter()
79 	trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len);  in cachefiles_ondemand_fd_write_iter()
80 	ret = __cachefiles_write(object, file, pos, iter, NULL, NULL);  in cachefiles_ondemand_fd_write_iter()
92 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_llseek()  local
93 	struct file *file = object->file;  in cachefiles_ondemand_fd_llseek()
104 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_ioctl()  local
105 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_fd_ioctl()
118 	    req->object != object) {  in cachefiles_ondemand_fd_ioctl()
125 	trace_cachefiles_ondemand_cread(object, id);  in cachefiles_ondemand_fd_ioctl()
141  *   <cache_size> indicates the object size if >=0, error code if negative
180 	    !req->object->ondemand->ondemand_id) {  in cachefiles_ondemand_copen()
187 	info = req->object->ondemand;  in cachefiles_ondemand_copen()
218 	 * cachefiles_ondemand_set_object_close(object)  in cachefiles_ondemand_copen()
233 	cookie = req->object->cookie;  in cachefiles_ondemand_copen()
239 	trace_cachefiles_ondemand_copen(req->object, id, size);  in cachefiles_ondemand_copen()
241 	cachefiles_ondemand_set_object_open(req->object);  in cachefiles_ondemand_copen()
247 	/* Need to set object close to avoid reopen status continuing */  in cachefiles_ondemand_copen()
249 		cachefiles_ondemand_set_object_close(req->object);  in cachefiles_ondemand_copen()
281 	struct cachefiles_object *object;  in cachefiles_ondemand_get_fd()  local
287 	object = cachefiles_grab_object(req->object,  in cachefiles_ondemand_get_fd()
289 	cache = object->volume->cache;  in cachefiles_ondemand_get_fd()
304 				&cachefiles_ondemand_fd_fops, object, O_WRONLY);  in cachefiles_ondemand_get_fd()
310 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
311 	if (object->ondemand->ondemand_id > 0) {  in cachefiles_ondemand_get_fd()
312 		spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
323 	object->ondemand->ondemand_id = object_id;  in cachefiles_ondemand_get_fd()
324 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
327 	trace_cachefiles_ondemand_open(object, &req->msg, load);  in cachefiles_ondemand_get_fd()
339 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
340 	/* Avoid marking an opened object as closed. */  in cachefiles_ondemand_get_fd()
341 	if (object->ondemand->ondemand_id <= 0)  in cachefiles_ondemand_get_fd()
342 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_get_fd()
343 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
344 	cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd);  in cachefiles_ondemand_get_fd()
353 	cachefiles_ondemand_init_object(info->object);  in ondemand_object_worker()
358  * closed object, reopen it.
359  * Skip read requests whose related object is reopening.
365 	struct cachefiles_object *object;  in cachefiles_ondemand_select_req()  local
371 		object = req->object;  in cachefiles_ondemand_select_req()
372 		info = object->ondemand;  in cachefiles_ondemand_select_req()
373 		if (cachefiles_ondemand_object_is_close(object)) {  in cachefiles_ondemand_select_req()
374 			cachefiles_ondemand_set_object_reopening(object);  in cachefiles_ondemand_select_req()
378 		if (cachefiles_ondemand_object_is_reopening(object))  in cachefiles_ondemand_select_req()
436 	cachefiles_grab_object(req->object, cachefiles_obj_get_read_req);  in cachefiles_ondemand_daemon_read()
446 	msg->object_id = req->object->ondemand->ondemand_id;  in cachefiles_ondemand_daemon_read()
460 	cachefiles_put_object(req->object, cachefiles_obj_put_read_req);  in cachefiles_ondemand_daemon_read()
470 static int cachefiles_ondemand_send_req(struct cachefiles_object *object,  in cachefiles_ondemand_send_req()  argument
476 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_send_req()
496 	req->object = object;  in cachefiles_ondemand_send_req()
524 		    cachefiles_ondemand_object_is_dropping(object)) {  in cachefiles_ondemand_send_req()
534 		    !cachefiles_ondemand_object_is_open(object)) {  in cachefiles_ondemand_send_req()
535 			WARN_ON_ONCE(object->ondemand->ondemand_id == 0);  in cachefiles_ondemand_send_req()
583 	/* Reset the object to close state in error handling path.  in cachefiles_ondemand_send_req()
585 	 * cachefiles_ondemand_fd_release() will set object to close.  in cachefiles_ondemand_send_req()
588 	    !cachefiles_ondemand_object_is_dropping(object))  in cachefiles_ondemand_send_req()
589 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_send_req()
597 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_open_req()  local
598 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_open_req()
599 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_open_req()
615 	if (!(object->cookie->advice & FSCACHE_ADV_WANT_CACHE_SIZE)) {  in cachefiles_ondemand_init_open_req()
631 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_close_req()  local
633 	if (!cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_close_req()
636 	trace_cachefiles_ondemand_close(object, &req->msg);  in cachefiles_ondemand_init_close_req()
648 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_read_req()  local
654 	trace_cachefiles_ondemand_read(object, &req->msg, load);  in cachefiles_ondemand_init_read_req()
658 int cachefiles_ondemand_init_object(struct cachefiles_object *object)  in cachefiles_ondemand_init_object()  argument
660 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_object()
661 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_object()
664 	if (!object->ondemand)  in cachefiles_ondemand_init_object()
671 	 * allocated object ID if any.  in cachefiles_ondemand_init_object()
673 	if (cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_object()
681 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_OPEN,  in cachefiles_ondemand_init_object()
685 void cachefiles_ondemand_clean_object(struct cachefiles_object *object)  in cachefiles_ondemand_clean_object()  argument
691 	if (!object->ondemand)  in cachefiles_ondemand_clean_object()
694 	cachefiles_ondemand_send_req(object, CACHEFILES_OP_CLOSE, 0,  in cachefiles_ondemand_clean_object()
697 	if (!object->ondemand->ondemand_id)  in cachefiles_ondemand_clean_object()
700 	/* Cancel all requests for the object that is being dropped. */  in cachefiles_ondemand_clean_object()
701 	cache = object->volume->cache;  in cachefiles_ondemand_clean_object()
703 	cachefiles_ondemand_set_object_dropping(object);  in cachefiles_ondemand_clean_object()
705 		if (req->object == object) {  in cachefiles_ondemand_clean_object()
714 	cancel_work_sync(&object->ondemand->ondemand_work);  in cachefiles_ondemand_clean_object()
717 int cachefiles_ondemand_init_obj_info(struct cachefiles_object *object,  in cachefiles_ondemand_init_obj_info()  argument
723 	object->ondemand = kzalloc(sizeof(struct cachefiles_ondemand_info),  in cachefiles_ondemand_init_obj_info()
725 	if (!object->ondemand)  in cachefiles_ondemand_init_obj_info()
728 	object->ondemand->object = object;  in cachefiles_ondemand_init_obj_info()
729 	spin_lock_init(&object->ondemand->lock);  in cachefiles_ondemand_init_obj_info()
730 	INIT_WORK(&object->ondemand->ondemand_work, ondemand_object_worker);  in cachefiles_ondemand_init_obj_info()
734 void cachefiles_ondemand_deinit_obj_info(struct cachefiles_object *object)  in cachefiles_ondemand_deinit_obj_info()  argument
736 	kfree(object->ondemand);  in cachefiles_ondemand_deinit_obj_info()
737 	object->ondemand = NULL;  in cachefiles_ondemand_deinit_obj_info()
740 int cachefiles_ondemand_read(struct cachefiles_object *object,  in cachefiles_ondemand_read()  argument
745 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_READ,  in cachefiles_ondemand_read()