598 	u32				nr_args;  member
1090 				     unsigned nr_args);
6331 	req->rsrc_update.nr_args = READ_ONCE(sqe->len);  in io_rsrc_update_prep()
6332 	if (!req->rsrc_update.nr_args)  in io_rsrc_update_prep()
6352 					&up, req->rsrc_update.nr_args);  in io_files_update()
8213 				 unsigned nr_args, u64 __user *tags)  in io_sqe_files_register()  argument
8222 	if (!nr_args)  in io_sqe_files_register()
8224 	if (nr_args > IORING_MAX_FIXED_FILES)  in io_sqe_files_register()
8226 	if (nr_args > rlimit(RLIMIT_NOFILE))  in io_sqe_files_register()
8231 	ret = io_rsrc_data_alloc(ctx, io_rsrc_file_put, tags, nr_args,  in io_sqe_files_register()
8237 	if (!io_alloc_file_tables(&ctx->file_table, nr_args))  in io_sqe_files_register()
8240 	for (i = 0; i < nr_args; i++, ctx->nr_user_files++) {  in io_sqe_files_register()
8448 				 unsigned nr_args)  in __io_sqe_files_update()  argument
8461 	if (up->offset + nr_args > ctx->nr_user_files)  in __io_sqe_files_update()
8464 	for (done = 0; done < nr_args; done++) {  in __io_sqe_files_update()
9032 static int io_buffers_map_alloc(struct io_ring_ctx *ctx, unsigned int nr_args)  in io_buffers_map_alloc()  argument
9034 	ctx->user_bufs = kcalloc(nr_args, sizeof(*ctx->user_bufs), GFP_KERNEL);  in io_buffers_map_alloc()
9063 				   unsigned int nr_args, u64 __user *tags)  in io_sqe_buffers_register()  argument
9072 	if (!nr_args || nr_args > IORING_MAX_REG_BUFFERS)  in io_sqe_buffers_register()
9077 	ret = io_rsrc_data_alloc(ctx, io_rsrc_buf_put, tags, nr_args, &data);  in io_sqe_buffers_register()
9080 	ret = io_buffers_map_alloc(ctx, nr_args);  in io_sqe_buffers_register()
9086 	for (i = 0; i < nr_args; i++, ctx->nr_user_bufs++) {  in io_sqe_buffers_register()
9116 				   unsigned int nr_args)  in __io_sqe_buffers_update()  argument
9127 	if (up->offset + nr_args > ctx->nr_user_bufs)  in __io_sqe_buffers_update()
9130 	for (done = 0; done < nr_args; done++) {  in __io_sqe_buffers_update()
10396 static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args)  in io_probe()  argument
10402 	size = struct_size(p, ops, nr_args);  in io_probe()
10417 	if (nr_args > IORING_OP_LAST)  in io_probe()
10418 		nr_args = IORING_OP_LAST;  in io_probe()
10420 	for (i = 0; i < nr_args; i++) {  in io_probe()
10453 				    unsigned int nr_args)  in io_register_restrictions()  argument
10467 	if (!arg || nr_args > IORING_MAX_RESTRICTIONS)  in io_register_restrictions()
10470 	size = array_size(nr_args, sizeof(*res));  in io_register_restrictions()
10480 	for (i = 0; i < nr_args; i++) {  in io_register_restrictions()
10538 				     unsigned nr_args)  in __io_register_rsrc_update()  argument
10545 	if (check_add_overflow(up->offset, nr_args, &tmp))  in __io_register_rsrc_update()
10553 		return __io_sqe_files_update(ctx, up, nr_args);  in __io_register_rsrc_update()
10555 		return __io_sqe_buffers_update(ctx, up, nr_args);  in __io_register_rsrc_update()
10561 				    unsigned nr_args)  in io_register_files_update()  argument
10565 	if (!nr_args)  in io_register_files_update()
10570 	return __io_register_rsrc_update(ctx, IORING_RSRC_FILE, &up, nr_args);  in io_register_files_update()
10784 			       void __user *arg, unsigned nr_args)  in __io_uring_register()  argument
10814 		ret = io_sqe_buffers_register(ctx, arg, nr_args, NULL);  in __io_uring_register()
10818 		if (arg || nr_args)  in __io_uring_register()
10823 		ret = io_sqe_files_register(ctx, arg, nr_args, NULL);  in __io_uring_register()
10827 		if (arg || nr_args)  in __io_uring_register()
10832 		ret = io_register_files_update(ctx, arg, nr_args);  in __io_uring_register()
10837 		if (nr_args != 1)  in __io_uring_register()
10849 		if (arg || nr_args)  in __io_uring_register()
10855 		if (!arg || nr_args > 256)  in __io_uring_register()
10857 		ret = io_probe(ctx, arg, nr_args);  in __io_uring_register()
10861 		if (arg || nr_args)  in __io_uring_register()
10869 		ret = io_unregister_personality(ctx, nr_args);  in __io_uring_register()
10873 		if (arg || nr_args)  in __io_uring_register()
10878 		ret = io_register_restrictions(ctx, arg, nr_args);  in __io_uring_register()
10881 		ret = io_register_rsrc(ctx, arg, nr_args, IORING_RSRC_FILE);  in __io_uring_register()
10884 		ret = io_register_rsrc_update(ctx, arg, nr_args,  in __io_uring_register()
10888 		ret = io_register_rsrc(ctx, arg, nr_args, IORING_RSRC_BUFFER);  in __io_uring_register()
10891 		ret = io_register_rsrc_update(ctx, arg, nr_args,  in __io_uring_register()
10896 		if (!arg || !nr_args)  in __io_uring_register()
10898 		ret = io_register_iowq_aff(ctx, arg, nr_args);  in __io_uring_register()
10902 		if (arg || nr_args)  in __io_uring_register()
10908 		if (!arg || nr_args != 2)  in __io_uring_register()
10926 		void __user *, arg, unsigned int, nr_args)  in SYSCALL_DEFINE4()  argument
10945 	ret = __io_uring_register(ctx, opcode, arg, nr_args);  in SYSCALL_DEFINE4()