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/*
* This file is part of the Distributed Network Block Device 3
*
* Copyright(c) 2011-2012 Johann Latocha <johann@latocha.de>
*
* This file may be licensed under the terms of of the
* GNU General Public License Version 2 (the ``GPL'').
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the GPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the GPL along with this
* program. If not, go to http://www.gnu.org/licenses/gpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "dnbd3.h"
#include "blk.h"
int major;
dnbd3_device_t dnbd3_device[MAX_NUMBER_DEVICES];
static int __init dnbd3_init(void)
{
int i;
// initialize block device
if ((major = register_blkdev(0, "dnbd3")) == 0)
{
printk("ERROR: dnbd3 register_blkdev failed.\n");
return -EIO;
}
// add MAX_NUMBER_DEVICES devices
for (i = 0; i < MAX_NUMBER_DEVICES; i++)
{
if (dnbd3_blk_add_device(&dnbd3_device[i], i) != 0)
{
printk("ERROR: adding device failed.\n");
return -EIO;
}
}
printk("INFO: dnbd3 init successful.\n");
return 0;
}
static void __exit dnbd3_exit(void)
{
int i;
for (i = 0; i < MAX_NUMBER_DEVICES; i++)
{
dnbd3_blk_del_device(&dnbd3_device[i]);
}
unregister_blkdev(major, "dnbd3");
printk("INFO: dnbd3 exit.\n");
}
module_init( dnbd3_init);
module_exit( dnbd3_exit);
MODULE_DESCRIPTION("Distributed Network Block Device 3");
MODULE_LICENSE("GPL");
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