fat_generic_ioctl  776 fs/fat/dir.c   		return fat_generic_ioctl(inode, filp, cmd, arg);
fat_generic_ioctl  149 fs/fat/file.c  	.ioctl		= fat_generic_ioctl,
fat_generic_ioctl  413 include/linux/msdos_fs.h extern int fat_generic_ioctl(struct inode *inode, struct file *filp,