'\" t .\" Title: blk_trace_ioctl .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: May 2018 .\" Manual: Block Devices .\" Source: Kernel Hackers Manual 3.16.56 .\" Language: English .\" .TH "BLK_TRACE_IOCTL" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Block Devices" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" blk_trace_ioctl \- handle the ioctls associated with tracing .SH "SYNOPSIS" .HP \w'int\ blk_trace_ioctl('u .BI "int blk_trace_ioctl(struct\ block_device\ *\ " "bdev" ", unsigned\ " "cmd" ", char\ __user\ *\ " "arg" ");" .SH "ARGUMENTS" .PP \fIbdev\fR .RS 4 the block device .RE .PP \fIcmd\fR .RS 4 the ioctl cmd .RE .PP \fIarg\fR .RS 4 the argument data, if any .RE .SH "COPYRIGHT" .br