SEQ_HLIST_START_RCU(9) The Linux VFS SEQ_HLIST_START_RCU(9)
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.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SEQ_HLIST_START_RCU(9)
