606 	u32				nr_args;  member
1098 				     unsigned nr_args);
6279 	req->rsrc_update.nr_args = READ_ONCE(sqe->len);  in io_rsrc_update_prep()
6280 	if (!req->rsrc_update.nr_args)  in io_rsrc_update_prep()
6301 					&up, req->rsrc_update.nr_args);  in io_files_update()
8162 				 unsigned nr_args, u64 __user *tags)  in io_sqe_files_register()  argument
8171 	if (!nr_args)  in io_sqe_files_register()
8173 	if (nr_args > IORING_MAX_FIXED_FILES)  in io_sqe_files_register()
8175 	if (nr_args > rlimit(RLIMIT_NOFILE))  in io_sqe_files_register()
8180 	ret = io_rsrc_data_alloc(ctx, io_rsrc_file_put, tags, nr_args,  in io_sqe_files_register()
8186 	if (!io_alloc_file_tables(&ctx->file_table, nr_args))  in io_sqe_files_register()
8189 	for (i = 0; i < nr_args; i++, ctx->nr_user_files++) {  in io_sqe_files_register()
8399 				 unsigned nr_args)  in __io_sqe_files_update()  argument
8412 	if (up->offset + nr_args > ctx->nr_user_files)  in __io_sqe_files_update()
8415 	for (done = 0; done < nr_args; done++) {  in __io_sqe_files_update()
8988 static int io_buffers_map_alloc(struct io_ring_ctx *ctx, unsigned int nr_args)  in io_buffers_map_alloc()  argument
8990 	ctx->user_bufs = kcalloc(nr_args, sizeof(*ctx->user_bufs), GFP_KERNEL);  in io_buffers_map_alloc()
9019 				   unsigned int nr_args, u64 __user *tags)  in io_sqe_buffers_register()  argument
9028 	if (!nr_args || nr_args > IORING_MAX_REG_BUFFERS)  in io_sqe_buffers_register()
9033 	ret = io_rsrc_data_alloc(ctx, io_rsrc_buf_put, tags, nr_args, &data);  in io_sqe_buffers_register()
9036 	ret = io_buffers_map_alloc(ctx, nr_args);  in io_sqe_buffers_register()
9042 	for (i = 0; i < nr_args; i++, ctx->nr_user_bufs++) {  in io_sqe_buffers_register()
9072 				   unsigned int nr_args)  in __io_sqe_buffers_update()  argument
9083 	if (up->offset + nr_args > ctx->nr_user_bufs)  in __io_sqe_buffers_update()
9086 	for (done = 0; done < nr_args; done++) {  in __io_sqe_buffers_update()
10337 static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args)  in io_probe()  argument
10343 	size = struct_size(p, ops, nr_args);  in io_probe()
10358 	if (nr_args > IORING_OP_LAST)  in io_probe()
10359 		nr_args = IORING_OP_LAST;  in io_probe()
10361 	for (i = 0; i < nr_args; i++) {  in io_probe()
10394 				    unsigned int nr_args)  in io_register_restrictions()  argument
10408 	if (!arg || nr_args > IORING_MAX_RESTRICTIONS)  in io_register_restrictions()
10411 	size = array_size(nr_args, sizeof(*res));  in io_register_restrictions()
10421 	for (i = 0; i < nr_args; i++) {  in io_register_restrictions()
10479 				     unsigned nr_args)  in __io_register_rsrc_update()  argument
10484 	if (check_add_overflow(up->offset, nr_args, &tmp))  in __io_register_rsrc_update()
10492 		return __io_sqe_files_update(ctx, up, nr_args);  in __io_register_rsrc_update()
10494 		return __io_sqe_buffers_update(ctx, up, nr_args);  in __io_register_rsrc_update()
10500 				    unsigned nr_args)  in io_register_files_update()  argument
10504 	if (!nr_args)  in io_register_files_update()
10511 	return __io_register_rsrc_update(ctx, IORING_RSRC_FILE, &up, nr_args);  in io_register_files_update()
10739 			       void __user *arg, unsigned nr_args)  in __io_uring_register()  argument
10769 		ret = io_sqe_buffers_register(ctx, arg, nr_args, NULL);  in __io_uring_register()
10773 		if (arg || nr_args)  in __io_uring_register()
10778 		ret = io_sqe_files_register(ctx, arg, nr_args, NULL);  in __io_uring_register()
10782 		if (arg || nr_args)  in __io_uring_register()
10787 		ret = io_register_files_update(ctx, arg, nr_args);  in __io_uring_register()
10792 		if (nr_args != 1)  in __io_uring_register()
10804 		if (arg || nr_args)  in __io_uring_register()
10810 		if (!arg || nr_args > 256)  in __io_uring_register()
10812 		ret = io_probe(ctx, arg, nr_args);  in __io_uring_register()
10816 		if (arg || nr_args)  in __io_uring_register()
10824 		ret = io_unregister_personality(ctx, nr_args);  in __io_uring_register()
10828 		if (arg || nr_args)  in __io_uring_register()
10833 		ret = io_register_restrictions(ctx, arg, nr_args);  in __io_uring_register()
10836 		ret = io_register_rsrc(ctx, arg, nr_args, IORING_RSRC_FILE);  in __io_uring_register()
10839 		ret = io_register_rsrc_update(ctx, arg, nr_args,  in __io_uring_register()
10843 		ret = io_register_rsrc(ctx, arg, nr_args, IORING_RSRC_BUFFER);  in __io_uring_register()
10846 		ret = io_register_rsrc_update(ctx, arg, nr_args,  in __io_uring_register()
10851 		if (!arg || !nr_args)  in __io_uring_register()
10853 		ret = io_register_iowq_aff(ctx, arg, nr_args);  in __io_uring_register()
10857 		if (arg || nr_args)  in __io_uring_register()
10863 		if (!arg || nr_args != 2)  in __io_uring_register()
10881 		void __user *, arg, unsigned int, nr_args)  in SYSCALL_DEFINE4()  argument
10900 	ret = __io_uring_register(ctx, opcode, arg, nr_args);  in SYSCALL_DEFINE4()