spufs_new_inode
inode = spufs_new_inode(sb, S_IFREG | mode);
inode = spufs_new_inode(dir->i_sb, mode | S_IFDIR);
inode = spufs_new_inode(dir->i_sb, mode | S_IFDIR);
inode = spufs_new_inode(sb, S_IFDIR | ctx->mode);