idr_get_next (9) Linux Manual Page
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.