'\" t
.\"     Title: blk_peek_request
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: March 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.10.7
.\"  Language: English
.\"
.TH "BLK_PEEK_REQUEST" "9" "March 2017" "Kernel Hackers Manual 4\&.10\&" "Block Devices"
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.SH "NAME"
blk_peek_request \- peek at the top of a request queue
.SH "SYNOPSIS"
.HP \w'struct\ request\ *\ blk_peek_request('u
.BI "struct request * blk_peek_request(struct\ request_queue\ *\ " "q" ");"
.SH "ARGUMENTS"
.PP
\fIq\fR
.RS 4
request queue to peek at
.RE
.SH "DESCRIPTION"
.PP
Return the request at the top of
\fIq\fR\&. The returned request should be started using
\fBblk_start_request\fR
before LLD starts processing it\&.
.SH "RETURN"
.PP
Pointer to the request at the top of
\fIq\fR
if available\&. Null otherwise\&.
.SH "CONTEXT"
.PP
queue_lock must be held\&.
.SH "COPYRIGHT"
.br