EXT2_REV0_DINODE_SIZE
if (Oflag == 0 && inodesize != EXT2_REV0_DINODE_SIZE) {
uint16_t inodesize = EXT2_REV0_DINODE_SIZE; /* inode size */
if (EXT2_DINODE_SIZE(fs) <= EXT2_REV0_DINODE_SIZE)
EXT2_REV0_DINODE_SIZE)