fat_free_clusters
fat_free_clusters(dir, cluster);
fat_free_clusters(dir, cluster[0]);
fat_free_clusters(dir, cluster);
extern int fat_free_clusters(struct inode *inode, int cluster);
fat_free_clusters(inode, cluster[0]);
EXPORT_SYMBOL_GPL(fat_free_clusters);
return fat_free_clusters(inode, free_start);
fat_free_clusters(inode, cluster);
fat_free_clusters(dir, cluster);
fat_free_clusters(dir, cluster);