static void warn_dirty_buffer(struct buffer_head *bh)
{
	char b[BDEVNAME_SIZE];

	printk(KERN_WARNING
	       "JBD2: Spotted dirty metadata buffer (dev = %s, blocknr = %llu). "
	       "There's a risk of filesystem corruption in case of system "
	       "crash.\n",
	       bdevname(bh->b_bdev, b), (unsigned long long)bh->b_blocknr);
}
static void warn_dirty_buffer(struct buffer_head *bh)
{
	char b[BDEVNAME_SIZE];

	printk(KERN_WARNING
	       "JBD2: Spotted dirty metadata buffer (dev = %s, blocknr = %llu). "
	       "There's a risk of filesystem corruption in case of system "
	       "crash.\n",
	       bdevname(bh->b_bdev, b), (unsigned long long)bh->b_blocknr);
}