'\" t
.\"     Title: i2o_block_device_lock
.\"    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: Message-based devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "I2O_BLOCK_DEVICE_LOC" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Message-based devices"
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.SH "NAME"
i2o_block_device_lock \- Locks the media of device dev
.SH "SYNOPSIS"
.HP \w'int\ i2o_block_device_lock('u
.BI "int i2o_block_device_lock(struct\ i2o_device\ *\ " "dev" ", u32\ " "media_id" ");"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
I2O device which should receive the lock request
.RE
.PP
\fImedia_id\fR
.RS 4
Media Identifier
.RE
.SH "DESCRIPTION"
.PP
Lock media of device dev to prevent removal\&. The media identifier should be set to \-1, because the spec does not support any other value\&.
.PP
Returns 0 on success or negative error code on failure\&.
.SH "COPYRIGHT"
.br