V7FS_NADDR_INDEX2
if ((blk = p->addr[V7FS_NADDR_INDEX2]) == dupblk) {
replace_block_direct(fs, p, V7FS_NADDR_INDEX2, newblk);
blk = p->addr[V7FS_NADDR_INDEX2];
addr[V7FS_NADDR_INDEX2], map.index[0]), map.index[1]);
inode->addr[V7FS_NADDR_INDEX2] = idxblk;
idxblk = inode->addr[V7FS_NADDR_INDEX2];
idxblk = inode->addr[V7FS_NADDR_INDEX2];
inode->addr[V7FS_NADDR_INDEX2] = 0;
idxblk = inode->addr[V7FS_NADDR_INDEX2];