BLK_OPEN_WRITE_IOCTL
else if (mode & BLK_OPEN_WRITE_IOCTL)
mode |= BLK_OPEN_WRITE_IOCTL;
!(mode & (BLK_OPEN_WRITE | BLK_OPEN_WRITE_IOCTL))) ||
if (!(mode & (BLK_OPEN_WRITE | BLK_OPEN_WRITE_IOCTL)))