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,