'\" t
.\"     Title: d_backing_dentry
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: The Linux VFS
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "D_BACKING_DENTRY" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "The Linux VFS"
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.SH "NAME"
d_backing_dentry \- Get upper or lower dentry we should be using
.SH "SYNOPSIS"
.HP \w'struct\ dentry\ *\ d_backing_dentry('u
.BI "struct dentry * d_backing_dentry(struct\ dentry\ *\ " "upper" ");"
.SH "ARGUMENTS"
.PP
\fIupper\fR
.RS 4
The upper layer
.RE
.SH "DESCRIPTION"
.PP
This is the helper that should be used to get the dentry of the inode that will be used if this dentry were opened as a file\&. It may be the upper dentry or it may be a lower dentry pinned by the upper\&.
.PP
Normal filesystems should not use this to access their own dentries\&.
.SH "COPYRIGHT"
.br