centos man page for idr_get_next

IDR_GET_NEXT(9) 					  Basic Kernel Library Functions					   IDR_GET_NEXT(9)

NAME
       idr_get_next - lookup next object of id to given id.

SYNOPSIS
       void * idr_get_next(struct idr * idp, int * nextidp);

ARGUMENTS
       idp
	   idr handle

       nextidp
	   pointer to lookup key

DESCRIPTION
       Returns pointer to registered object with id, which is next number to given id. After being looked up, *nextidp will be updated for the
       next iteration.

       This function can be called under rcu_read_lock, given that the leaf pointers lifetimes are correctly managed.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							   IDR_GET_NEXT(9)