#include <linux/init.h>
#include <linux/module.h>
#include <linux/blkdev.h>
+#include <linux/bitops.h>
#include <asm/setup.h>
-#include <asm/bitops.h>
#include <asm/amigahw.h>
#include <asm/pgtable.h>
static int list_count = 0;
static int current_device = -1;
-static spinlock_t z2ram_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(z2ram_lock);
static struct block_device_operations z2_fops;
static struct gendisk *z2ram_gendisk;