'\" t
.\"     Title: blk_add_trace_rq_remap
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Block Devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "BLK_ADD_TRACE_RQ_REM" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Block Devices"
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.SH "NAME"
blk_add_trace_rq_remap \- Add a trace for a request\-remap operation
.SH "SYNOPSIS"
.HP \w'void\ blk_add_trace_rq_remap('u
.BI "void blk_add_trace_rq_remap(void\ *\ " "ignore" ", struct\ request_queue\ *\ " "q" ", struct\ request\ *\ " "rq" ", dev_t\ " "dev" ", sector_t\ " "from" ");"
.SH "ARGUMENTS"
.PP
\fIignore\fR
.RS 4
trace callback data parameter (not used)
.RE
.PP
\fIq\fR
.RS 4
queue the io is for
.RE
.PP
\fIrq\fR
.RS 4
the source request
.RE
.PP
\fIdev\fR
.RS 4
target device
.RE
.PP
\fIfrom\fR
.RS 4
source sector
.RE
.SH "DESCRIPTION"
.PP
Device mapper remaps request to other devices\&. Add a trace for that action\&.
.SH "COPYRIGHT"
.br