20 	struct cachefiles_object *object = file->private_data;  in cachefiles_ondemand_fd_release()  local
27 	if (!object)  in cachefiles_ondemand_fd_release()
30 	info = object->ondemand;  in cachefiles_ondemand_fd_release()
31 	cache = object->volume->cache;  in cachefiles_ondemand_fd_release()
38 	cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_fd_release()
52 	trace_cachefiles_ondemand_fd_release(object, object_id);  in cachefiles_ondemand_fd_release()
53 	cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd);  in cachefiles_ondemand_fd_release()
61 	struct cachefiles_object *object = kiocb->ki_filp->private_data;  in cachefiles_ondemand_fd_write_iter()  local
62 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_fd_write_iter()
63 	struct file *file = object->file;  in cachefiles_ondemand_fd_write_iter()
73 	ret = __cachefiles_prepare_write(object, file, &pos, &len, len, true);  in cachefiles_ondemand_fd_write_iter()
78 	trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len);  in cachefiles_ondemand_fd_write_iter()
79 	ret = __cachefiles_write(object, file, pos, iter, NULL, NULL);  in cachefiles_ondemand_fd_write_iter()
89 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_llseek()  local
90 	struct file *file = object->file;  in cachefiles_ondemand_fd_llseek()
101 	struct cachefiles_object *object = filp->private_data;  in cachefiles_ondemand_fd_ioctl()  local
102 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_fd_ioctl()
115 	    req->object != object) {  in cachefiles_ondemand_fd_ioctl()
122 	trace_cachefiles_ondemand_cread(object, id);  in cachefiles_ondemand_fd_ioctl()
138  *   <cache_size> indicates the object size if >=0, error code if negative
177 	    !req->object->ondemand->ondemand_id) {  in cachefiles_ondemand_copen()
184 	info = req->object->ondemand;  in cachefiles_ondemand_copen()
215 	 * cachefiles_ondemand_set_object_close(object)  in cachefiles_ondemand_copen()
230 	cookie = req->object->cookie;  in cachefiles_ondemand_copen()
236 	trace_cachefiles_ondemand_copen(req->object, id, size);  in cachefiles_ondemand_copen()
238 	cachefiles_ondemand_set_object_open(req->object);  in cachefiles_ondemand_copen()
244 	/* Need to set object close to avoid reopen status continuing */  in cachefiles_ondemand_copen()
246 		cachefiles_ondemand_set_object_close(req->object);  in cachefiles_ondemand_copen()
278 	struct cachefiles_object *object;  in cachefiles_ondemand_get_fd()  local
284 	object = cachefiles_grab_object(req->object,  in cachefiles_ondemand_get_fd()
286 	cache = object->volume->cache;  in cachefiles_ondemand_get_fd()
301 				&cachefiles_ondemand_fd_fops, object, O_WRONLY);  in cachefiles_ondemand_get_fd()
307 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
308 	if (object->ondemand->ondemand_id > 0) {  in cachefiles_ondemand_get_fd()
309 		spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
320 	object->ondemand->ondemand_id = object_id;  in cachefiles_ondemand_get_fd()
321 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
324 	trace_cachefiles_ondemand_open(object, &req->msg, load);  in cachefiles_ondemand_get_fd()
336 	spin_lock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
337 	/* Avoid marking an opened object as closed. */  in cachefiles_ondemand_get_fd()
338 	if (object->ondemand->ondemand_id <= 0)  in cachefiles_ondemand_get_fd()
339 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_get_fd()
340 	spin_unlock(&object->ondemand->lock);  in cachefiles_ondemand_get_fd()
341 	cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd);  in cachefiles_ondemand_get_fd()
350 	cachefiles_ondemand_init_object(info->object);  in ondemand_object_worker()
355  * closed object, reopen it.
356  * Skip read requests whose related object is reopening.
362 	struct cachefiles_object *object;  in cachefiles_ondemand_select_req()  local
368 		object = req->object;  in cachefiles_ondemand_select_req()
369 		info = object->ondemand;  in cachefiles_ondemand_select_req()
370 		if (cachefiles_ondemand_object_is_close(object)) {  in cachefiles_ondemand_select_req()
371 			cachefiles_ondemand_set_object_reopening(object);  in cachefiles_ondemand_select_req()
375 		if (cachefiles_ondemand_object_is_reopening(object))  in cachefiles_ondemand_select_req()
433 	cachefiles_grab_object(req->object, cachefiles_obj_get_read_req);  in cachefiles_ondemand_daemon_read()
443 	msg->object_id = req->object->ondemand->ondemand_id;  in cachefiles_ondemand_daemon_read()
457 	cachefiles_put_object(req->object, cachefiles_obj_put_read_req);  in cachefiles_ondemand_daemon_read()
467 static int cachefiles_ondemand_send_req(struct cachefiles_object *object,  in cachefiles_ondemand_send_req()  argument
473 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_ondemand_send_req()
493 	req->object = object;  in cachefiles_ondemand_send_req()
521 		    cachefiles_ondemand_object_is_dropping(object)) {  in cachefiles_ondemand_send_req()
531 		    !cachefiles_ondemand_object_is_open(object)) {  in cachefiles_ondemand_send_req()
532 			WARN_ON_ONCE(object->ondemand->ondemand_id == 0);  in cachefiles_ondemand_send_req()
580 	/* Reset the object to close state in error handling path.  in cachefiles_ondemand_send_req()
582 	 * cachefiles_ondemand_fd_release() will set object to close.  in cachefiles_ondemand_send_req()
585 	    !cachefiles_ondemand_object_is_dropping(object))  in cachefiles_ondemand_send_req()
586 		cachefiles_ondemand_set_object_close(object);  in cachefiles_ondemand_send_req()
594 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_open_req()  local
595 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_open_req()
596 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_open_req()
612 	if (!(object->cookie->advice & FSCACHE_ADV_WANT_CACHE_SIZE)) {  in cachefiles_ondemand_init_open_req()
628 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_close_req()  local
630 	if (!cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_close_req()
633 	trace_cachefiles_ondemand_close(object, &req->msg);  in cachefiles_ondemand_init_close_req()
645 	struct cachefiles_object *object = req->object;  in cachefiles_ondemand_init_read_req()  local
651 	trace_cachefiles_ondemand_read(object, &req->msg, load);  in cachefiles_ondemand_init_read_req()
655 int cachefiles_ondemand_init_object(struct cachefiles_object *object)  in cachefiles_ondemand_init_object()  argument
657 	struct fscache_cookie *cookie = object->cookie;  in cachefiles_ondemand_init_object()
658 	struct fscache_volume *volume = object->volume->vcookie;  in cachefiles_ondemand_init_object()
661 	if (!object->ondemand)  in cachefiles_ondemand_init_object()
668 	 * allocated object ID if any.  in cachefiles_ondemand_init_object()
670 	if (cachefiles_ondemand_object_is_open(object))  in cachefiles_ondemand_init_object()
678 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_OPEN,  in cachefiles_ondemand_init_object()
682 void cachefiles_ondemand_clean_object(struct cachefiles_object *object)  in cachefiles_ondemand_clean_object()  argument
688 	if (!object->ondemand)  in cachefiles_ondemand_clean_object()
691 	cachefiles_ondemand_send_req(object, CACHEFILES_OP_CLOSE, 0,  in cachefiles_ondemand_clean_object()
694 	if (!object->ondemand->ondemand_id)  in cachefiles_ondemand_clean_object()
697 	/* Cancel all requests for the object that is being dropped. */  in cachefiles_ondemand_clean_object()
698 	cache = object->volume->cache;  in cachefiles_ondemand_clean_object()
700 	cachefiles_ondemand_set_object_dropping(object);  in cachefiles_ondemand_clean_object()
702 		if (req->object == object) {  in cachefiles_ondemand_clean_object()
711 	cancel_work_sync(&object->ondemand->ondemand_work);  in cachefiles_ondemand_clean_object()
714 int cachefiles_ondemand_init_obj_info(struct cachefiles_object *object,  in cachefiles_ondemand_init_obj_info()  argument
720 	object->ondemand = kzalloc(sizeof(struct cachefiles_ondemand_info),  in cachefiles_ondemand_init_obj_info()
722 	if (!object->ondemand)  in cachefiles_ondemand_init_obj_info()
725 	object->ondemand->object = object;  in cachefiles_ondemand_init_obj_info()
726 	spin_lock_init(&object->ondemand->lock);  in cachefiles_ondemand_init_obj_info()
727 	INIT_WORK(&object->ondemand->ondemand_work, ondemand_object_worker);  in cachefiles_ondemand_init_obj_info()
731 void cachefiles_ondemand_deinit_obj_info(struct cachefiles_object *object)  in cachefiles_ondemand_deinit_obj_info()  argument
733 	kfree(object->ondemand);  in cachefiles_ondemand_deinit_obj_info()
734 	object->ondemand = NULL;  in cachefiles_ondemand_deinit_obj_info()
737 int cachefiles_ondemand_read(struct cachefiles_object *object,  in cachefiles_ondemand_read()  argument
742 	return cachefiles_ondemand_send_req(object, CACHEFILES_OP_READ,  in cachefiles_ondemand_read()