491 	u32				nr_args;  member
955 				 unsigned nr_args);
5683 	req->files_update.nr_args = READ_ONCE(sqe->len);  in io_files_update_prep()
5684 	if (!req->files_update.nr_args)  in io_files_update_prep()
5704 	ret = __io_sqe_files_update(ctx, &up, req->files_update.nr_args);  in io_files_update()
7412 				 unsigned nr_args)  in io_sqe_files_register()  argument
7423 	if (!nr_args)  in io_sqe_files_register()
7425 	if (nr_args > IORING_MAX_FIXED_FILES)  in io_sqe_files_register()
7436 	nr_tables = DIV_ROUND_UP(nr_args, IORING_MAX_FILES_TABLE);  in io_sqe_files_register()
7446 	if (io_sqe_alloc_file_tables(file_data, nr_tables, nr_args))  in io_sqe_files_register()
7450 	for (i = 0; i < nr_args; i++, ctx->nr_user_files++) {  in io_sqe_files_register()
7580 				 unsigned nr_args)  in __io_sqe_files_update()  argument
7590 	if (check_add_overflow(up->offset, nr_args, &done))  in __io_sqe_files_update()
7601 	while (nr_args) {  in __io_sqe_files_update()
7648 		nr_args--;  in __io_sqe_files_update()
7667 			       unsigned nr_args)  in io_sqe_files_update()  argument
7673 	if (!nr_args)  in io_sqe_files_update()
7680 	return __io_sqe_files_update(ctx, &up, nr_args);  in io_sqe_files_update()
8097 				  unsigned nr_args)  in io_sqe_buffer_register()  argument
8107 	if (!nr_args || nr_args > UIO_MAXIOV)  in io_sqe_buffer_register()
8110 	ctx->user_bufs = kcalloc(nr_args, sizeof(struct io_mapped_ubuf),  in io_sqe_buffer_register()
8115 	for (i = 0; i < nr_args; i++) {  in io_sqe_buffer_register()
9425 static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args)  in io_probe()  argument
9431 	size = struct_size(p, ops, nr_args);  in io_probe()
9446 	if (nr_args > IORING_OP_LAST)  in io_probe()
9447 		nr_args = IORING_OP_LAST;  in io_probe()
9449 	for (i = 0; i < nr_args; i++) {  in io_probe()
9500 				    unsigned int nr_args)  in io_register_restrictions()  argument
9514 	if (!arg || nr_args > IORING_MAX_RESTRICTIONS)  in io_register_restrictions()
9517 	size = array_size(nr_args, sizeof(*res));  in io_register_restrictions()
9527 	for (i = 0; i < nr_args; i++) {  in io_register_restrictions()
9599 			       void __user *arg, unsigned nr_args)  in __io_uring_register()  argument
9656 		ret = io_sqe_buffer_register(ctx, arg, nr_args);  in __io_uring_register()
9660 		if (arg || nr_args)  in __io_uring_register()
9665 		ret = io_sqe_files_register(ctx, arg, nr_args);  in __io_uring_register()
9669 		if (arg || nr_args)  in __io_uring_register()
9674 		ret = io_sqe_files_update(ctx, arg, nr_args);  in __io_uring_register()
9679 		if (nr_args != 1)  in __io_uring_register()
9691 		if (arg || nr_args)  in __io_uring_register()
9697 		if (!arg || nr_args > 256)  in __io_uring_register()
9699 		ret = io_probe(ctx, arg, nr_args);  in __io_uring_register()
9703 		if (arg || nr_args)  in __io_uring_register()
9711 		ret = io_unregister_personality(ctx, nr_args);  in __io_uring_register()
9715 		if (arg || nr_args)  in __io_uring_register()
9720 		ret = io_register_restrictions(ctx, arg, nr_args);  in __io_uring_register()
9738 		void __user *, arg, unsigned int, nr_args)  in SYSCALL_DEFINE4()  argument
9755 	ret = __io_uring_register(ctx, opcode, arg, nr_args);  in SYSCALL_DEFINE4()