0b8d7622ab
Flushing system-wide workqueues is dangerous and will be forbidden. Replace system_wq with local aoe_wq. Link: https://lkml.kernel.org/r/49925af7-78a8-a3dd-bce6-cfc02e1a9236@I-love.SAKURA.ne.jp Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Link: https://lore.kernel.org/r/abb37616-eec9-2794-e21e-7c623085d987@I-love.SAKURA.ne.jp Signed-off-by: Jens Axboe <axboe@kernel.dk>
96 lines
1.8 KiB
C
96 lines
1.8 KiB
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;
|
|
struct workqueue_struct *aoe_wq;
|
|
|
|
static void discover_timer(struct timer_list *t)
|
|
{
|
|
mod_timer(t, jiffies + HZ * 60); /* one minute */
|
|
|
|
aoecmd_cfg(0xffff, 0xff);
|
|
}
|
|
|
|
static void __exit
|
|
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 */
|
|
destroy_workqueue(aoe_wq);
|
|
}
|
|
|
|
static int __init
|
|
aoe_init(void)
|
|
{
|
|
int ret;
|
|
|
|
aoe_wq = alloc_workqueue("aoe_wq", 0, 0);
|
|
if (!aoe_wq)
|
|
return -ENOMEM;
|
|
|
|
ret = aoedev_init();
|
|
if (ret)
|
|
goto dev_fail;
|
|
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();
|
|
dev_fail:
|
|
destroy_workqueue(aoe_wq);
|
|
|
|
printk(KERN_INFO "aoe: initialisation failure.\n");
|
|
return ret;
|
|
}
|
|
|
|
module_init(aoe_init);
|
|
module_exit(aoe_exit);
|
|
|