'\" t
.\"     Title: trace_block_rq_insert
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Block IO
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "TRACE_BLOCK_RQ_INSER" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Block IO"
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.SH "NAME"
trace_block_rq_insert \- insert block operation request into queue
.SH "SYNOPSIS"
.HP \w'void\ trace_block_rq_insert('u
.BI "void trace_block_rq_insert(struct\ request_queue\ *\ " "q" ", struct\ request\ *\ " "rq" ");"
.SH "ARGUMENTS"
.PP
\fIq\fR
.RS 4
target queue
.RE
.PP
\fIrq\fR
.RS 4
block IO operation request
.RE
.SH "DESCRIPTION"
.PP
Called immediately before block operation request
\fIrq\fR
is inserted into queue
\fIq\fR\&. The fields in the operation request
\fIrq\fR
struct can be examined to determine which device and sectors the pending operation would access\&.
.SH "AUTHORS"
.PP
\fBJason Baron\fR <\&jbaron@redhat.com\&>
.RS 4
Author.
.RE
.PP
\fBWilliam Cohen\fR <\&wcohen@redhat.com\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br