seq_hlist_start_rcu

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

seq_hlist_start_rcu - start an iteration of a hlist protected by RCU

SYNOPSIS

struct hlist_node * seq_hlist_start_rcu(struct hlist_head * head, loff_t pos);

ARGUMENTS

head

the head of the hlist

pos

the start position of the sequence

DESCRIPTION

Called at seq_file->op->start.

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.