/* Get the autofs super block info struct from the file opened on the autofs mount point.  */
static struct autofs_sb_info* autofs_dev_ioctl_sbi(struct file *f)
/* Get the autofs super block info struct from the file opened on the autofs mount point.  */
static struct autofs_sb_info* autofs_dev_ioctl_sbi(struct file *f)
{
	struct autofs_sb_info *sbi = NULL;
	struct inode *inode;
	if (f) {
		inode = f->f_path.dentry->d_inode;
		sbi = autofs4_sbi(inode->i_sb);
	}
	return sbi;
}