'\" t .\" Title: seq_hlist_next_rcu .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: The Linux VFS .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "SEQ_HLIST_NEXT_RCU" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "The Linux VFS" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" seq_hlist_next_rcu \- move to the next position of the hlist protected by RCU .SH "SYNOPSIS" .HP \w'struct\ hlist_node\ *\ seq_hlist_next_rcu('u .BI "struct hlist_node * seq_hlist_next_rcu(void\ *\ " "v" ", struct\ hlist_head\ *\ " "head" ", loff_t\ *\ " "ppos" ");" .SH "ARGUMENTS" .PP \fIv\fR .RS 4 the current iterator .RE .PP \fIhead\fR .RS 4 the head of the hlist .RE .PP \fIppos\fR .RS 4 the current position .RE .SH "DESCRIPTION" .PP Called at seq_file\->op\->\fBnext\fR\&. .PP This list\-traversal primitive may safely run concurrently with the _rcu list\-mutation primitives such as \fBhlist_add_head_rcu\fR as long as the traversal is guarded by \fBrcu_read_lock\fR\&. .SH "COPYRIGHT" .br