755 	struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,  in ffs_user_copy_worker()  local
757 	int ret = io_data->req->status ? io_data->req->status :  in ffs_user_copy_worker()
758 					 io_data->req->actual;  in ffs_user_copy_worker()
759 	bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;  in ffs_user_copy_worker()
761 	if (io_data->read && ret > 0) {  in ffs_user_copy_worker()
765 		use_mm(io_data->mm);  in ffs_user_copy_worker()
766 		ret = ffs_copy_to_iter(io_data->buf, ret, &io_data->data);  in ffs_user_copy_worker()
767 		unuse_mm(io_data->mm);  in ffs_user_copy_worker()
771 	io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);  in ffs_user_copy_worker()
773 	if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)  in ffs_user_copy_worker()
774 		eventfd_signal(io_data->ffs->ffs_eventfd, 1);  in ffs_user_copy_worker()
776 	usb_ep_free_request(io_data->ep, io_data->req);  in ffs_user_copy_worker()
778 	if (io_data->read)  in ffs_user_copy_worker()
779 		kfree(io_data->to_free);  in ffs_user_copy_worker()
780 	kfree(io_data->buf);  in ffs_user_copy_worker()
781 	kfree(io_data);  in ffs_user_copy_worker()
787 	struct ffs_io_data *io_data = req->context;  in ffs_epfile_async_io_complete()  local
788 	struct ffs_data *ffs = io_data->ffs;  in ffs_epfile_async_io_complete()
792 	INIT_WORK(&io_data->work, ffs_user_copy_worker);  in ffs_epfile_async_io_complete()
793 	queue_work(ffs->io_completion_wq, &io_data->work);  in ffs_epfile_async_io_complete()
878 static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)  in ffs_epfile_io()  argument
904 	halt = (!io_data->read == !epfile->in);  in ffs_epfile_io()
924 		if (!io_data->aio && io_data->read) {  in ffs_epfile_io()
925 			ret = __ffs_epfile_read_buffered(epfile, &io_data->data);  in ffs_epfile_io()
943 		data_len = iov_iter_count(&io_data->data);  in ffs_epfile_io()
948 		if (io_data->read)  in ffs_epfile_io()
957 		if (!io_data->read &&  in ffs_epfile_io()
958 		    !copy_from_iter_full(data, data_len, &io_data->data)) {  in ffs_epfile_io()
987 	} else if (!io_data->aio) {  in ffs_epfile_io()
1017 		else if (io_data->read && ep->status > 0)  in ffs_epfile_io()
1019 						     &io_data->data);  in ffs_epfile_io()
1029 		io_data->buf = data;  in ffs_epfile_io()
1030 		io_data->ep = ep->ep;  in ffs_epfile_io()
1031 		io_data->req = req;  in ffs_epfile_io()
1032 		io_data->ffs = epfile->ffs;  in ffs_epfile_io()
1034 		req->context  = io_data;  in ffs_epfile_io()
1078 	struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,  in ffs_aio_cancel_worker()  local
1083 	usb_ep_dequeue(io_data->ep, io_data->req);  in ffs_aio_cancel_worker()
1088 	struct ffs_io_data *io_data = kiocb->private;  in ffs_aio_cancel()  local
1089 	struct ffs_data *ffs = io_data->ffs;  in ffs_aio_cancel()
1094 	if (likely(io_data && io_data->ep && io_data->req)) {  in ffs_aio_cancel()
1095 		INIT_WORK(&io_data->cancellation_work, ffs_aio_cancel_worker);  in ffs_aio_cancel()
1096 		queue_work(ffs->io_completion_wq, &io_data->cancellation_work);  in ffs_aio_cancel()
1107 	struct ffs_io_data io_data, *p = &io_data;  in ffs_epfile_write_iter()  local
1113 		p = kmalloc(sizeof(io_data), GFP_KERNEL);  in ffs_epfile_write_iter()
1143 	struct ffs_io_data io_data, *p = &io_data;  in ffs_epfile_read_iter()  local
1149 		p = kmalloc(sizeof(io_data), GFP_KERNEL);  in ffs_epfile_read_iter()