QNX6_SUPERBLOCK_AREA
(QNX6_SUPERBLOCK_AREA >> s->s_blocksize_bits);
(QNX6_SUPERBLOCK_AREA >> s->s_blocksize_bits);
sbi->s_blks_off = QNX6_SUPERBLOCK_AREA / s->s_blocksize;
offset = fs32_to_cpu(sbi, sb1->sb_num_blocks) + QNX6_SUPERBLOCK_AREA /