'\" t
.\"     Title: d_walk
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: The Linux VFS
.\"    Source: Kernel Hackers Manual 4.12.2
.\"  Language: English
.\"
.TH "D_WALK" "9" "July 2017" "Kernel Hackers Manual 4\&.12\&" "The Linux VFS"
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.SH "NAME"
d_walk \- walk the dentry tree
.SH "SYNOPSIS"
.HP \w'void\ d_walk('u
.BI "void d_walk(struct\ dentry\ *\ " "parent" ", void\ *\ " "data" ", enum\ d_walk_ret\ (*" "enter" ")\ (void\ *,\ struct\ dentry\ *), void\ (*" "finish" ")\ (void\ *));"
.SH "ARGUMENTS"
.PP
\fIstruct dentry * parent\fR
.RS 4
start of walk
.RE
.PP
\fIvoid * data\fR
.RS 4
data passed to
\fIenter\fR() and
\fIfinish\fR()
.RE
.PP
\fIenum d_walk_ret (*)(void *, struct dentry *) enter\fR
.RS 4
callback when first entering the dentry
.RE
.PP
\fIvoid (*)(void *) finish\fR
.RS 4
callback when successfully finished the walk
.RE
.SH "DESCRIPTION"
.PP
The
\fIenter\fR() and
\fIfinish\fR() callbacks are called with d_lock held\&.
.SH "COPYRIGHT"
.br