'\" t
.\"     Title: blk_get_backing_dev_info
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "BLK_GET_BACKING_DEV_" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block Devices"
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.SH "NAME"
blk_get_backing_dev_info \- get the address of a queue\*(Aqs backing_dev_info
.SH "SYNOPSIS"
.HP \w'struct\ backing_dev_info\ *\ blk_get_backing_dev_info('u
.BI "struct backing_dev_info * blk_get_backing_dev_info(struct\ block_device\ *\ " "bdev" ");"
.SH "ARGUMENTS"
.PP
\fIbdev\fR
.RS 4
device
.RE
.SH "DESCRIPTION"
.PP
Locates the passed device\*(Aqs request queue and returns the address of its backing_dev_info\&. This function can only be called if
\fIbdev\fR
is opened and the return value is never NULL\&.
.SH "COPYRIGHT"
.br