Release 4.16 drivers/block/aoe/aoemain.c

/* Copyright (c) 2012 Coraid, Inc.  See COPYING for GPL terms. */
/*
 * aoemain.c
 * Module initialization routines, discover timer
 */

#include <linux/hdreg.h>
#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/skbuff.h>
#include "aoe.h"

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Sam Hopkins <sah@coraid.com>");
MODULE_DESCRIPTION("AoE block/char driver for 2.6.2 and newer 2.6 kernels");
MODULE_VERSION(VERSION);


static struct timer_list timer;



static void discover_timer(struct timer_list *t)
{
	mod_timer(t, jiffies + HZ * 60); /* one minute */

	aoecmd_cfg(0xffff, 0xff);
}

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static void

aoe_exit(void)
{
	del_timer_sync(&timer);

	aoenet_exit();
	unregister_blkdev(AOE_MAJOR, DEVICE_NAME);
	aoecmd_exit();
	aoechr_exit();
	aoedev_exit();
	aoeblk_exit();		/* free cache after de-allocating bufs */
}

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static int __init

aoe_init(void)
{
	int ret;

	ret = aoedev_init();
	if (ret)
		return ret;
	ret = aoechr_init();
	if (ret)
		goto chr_fail;
	ret = aoeblk_init();
	if (ret)
		goto blk_fail;
	ret = aoenet_init();
	if (ret)
		goto net_fail;
	ret = aoecmd_init();
	if (ret)
		goto cmd_fail;
	ret = register_blkdev(AOE_MAJOR, DEVICE_NAME);
	if (ret < 0) {
		printk(KERN_ERR "aoe: can't register major\n");
		goto blkreg_fail;
	}
	printk(KERN_INFO "aoe: AoE v%s initialised.\n", VERSION);

	timer_setup(&timer, discover_timer, 0);
	discover_timer(&timer);
	return 0;
 blkreg_fail:
	aoecmd_exit();
 cmd_fail:
	aoenet_exit();
 net_fail:
	aoeblk_exit();
 blk_fail:
	aoechr_exit();
 chr_fail:
	aoedev_exit();

	printk(KERN_INFO "aoe: initialisation failure.\n");
	return ret;
}

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module_init(aoe_init);
module_exit(aoe_exit);

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David S. Miller
3
1.08%
1
11.11%
Total
278
100.00%
9
100.00%
Directory: drivers/block/aoe

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