VFAT_IOCTL_READDIR_BOTH32 2705 fs/compat_ioctl.c #define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
VFAT_IOCTL_READDIR_BOTH32  794 fs/fat/dir.c   #define	VFAT_IOCTL_READDIR_BOTH32	_IOR('r', 1, struct compat_dirent[2])