'\" t
.\"     Title: blk_queue_unprep_rq
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "BLK_QUEUE_UNPREP_RQ" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block Devices"
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.SH "NAME"
blk_queue_unprep_rq \- set an unprepare_request function for queue
.SH "SYNOPSIS"
.HP \w'void\ blk_queue_unprep_rq('u
.BI "void blk_queue_unprep_rq(struct\ request_queue\ *\ " "q" ", unprep_rq_fn\ *\ " "ufn" ");"
.SH "ARGUMENTS"
.PP
\fIq\fR
.RS 4
queue
.RE
.PP
\fIufn\fR
.RS 4
unprepare_request function
.RE
.SH "DESCRIPTION"
.PP
It\*(Aqs possible for a queue to register an unprepare_request callback which is invoked before the request is finally completed\&. The goal of the function is to deallocate any data that was allocated in the prepare_request callback\&.
.SH "COPYRIGHT"
.br