SEQ_HLIST_NEXT_RCU

Section: The Linux VFS (9)
Updated: February 2011
Index Return to Main Contents
 

NAME

seq_hlist_next_rcu - move to the next position of the hlist protected by RCU  

SYNOPSIS

struct hlist_node * seq_hlist_next_rcu(void * v, struct hlist_head * head, loff_t * ppos);
 

ARGUMENTS

v

the current iterator

head

the head of the hlist

ppos

the current position
 

DESCRIPTION

Called at seq_file->op->next.

This list-traversal primitive may safely run concurrently with the _rcu list-mutation primitives such as hlist_add_head_rcu as long as the traversal is guarded by rcu_read_lock.  

COPYRIGHT