static int
aoeblk_release(struct gendisk *disk, fmode_t mode)
{
struct aoedev *d = disk->private_data;
ulong flags;
spin_lock_irqsave(&d->lock, flags);
if (--d->nopen == 0) {
spin_unlock_irqrestore(&d->lock, flags);
aoecmd_cfg(d->aoemajor, d->aoeminor);
return 0;
}
spin_unlock_irqrestore(&d->lock, flags);
return 0;
}
static int
aoeblk_release(struct inode *inode, struct file *filp)
{
struct aoedev *d;
ulong flags;
d = inode->i_bdev->bd_disk->private_data;
spin_lock_irqsave(&d->lock, flags);
if (--d->nopen == 0) {
spin_unlock_irqrestore(&d->lock, flags);
aoecmd_cfg(d->aoemajor, d->aoeminor);
return 0;
}
spin_unlock_irqrestore(&d->lock, flags);
return 0;
}
static void
discover_timer(ulong vp)
{
static struct timer_list t;
static volatile ulong die;
static spinlock_t lock;
ulong flags;
enum { DTIMERTICK = HZ * 60 }; /* one minute */
switch (vp) {
case TINIT:
init_timer(&t);
spin_lock_init(&lock);
t.data = TRUN;
t.function = discover_timer;
die = 0;
case TRUN:
spin_lock_irqsave(&lock, flags);
if (!die) {
t.expires = jiffies + DTIMERTICK;
add_timer(&t);
}
spin_unlock_irqrestore(&lock, flags);
aoecmd_cfg(0xffff, 0xff);
return;
case TKILL:
spin_lock_irqsave(&lock, flags);
die = 1;
spin_unlock_irqrestore(&lock, flags);
del_timer_sync(&t);
default:
return;
}
}
