V7FS_NADDR_INDEX1
if ((blk = p->addr[V7FS_NADDR_INDEX1]) == dupblk) {
replace_block_direct(fs, p, V7FS_NADDR_INDEX1, newblk);
blk = p->addr[V7FS_NADDR_INDEX1];
blk = v7fs_link(fs, addr[V7FS_NADDR_INDEX1], map.index[0]);
inode->addr[V7FS_NADDR_INDEX1] = idxblk;
idxblk = inode->addr[V7FS_NADDR_INDEX1];
idxblk = inode->addr[V7FS_NADDR_INDEX1];
inode->addr[V7FS_NADDR_INDEX1] = 0;
idxblk = inode->addr[V7FS_NADDR_INDEX1];