ufs_iget
inode = ufs_iget(dir->i_sb, ino);
inode = ufs_iget(sb, ino);
inode = ufs_iget(sb, UFS_ROOTINO);
return d_obtain_alias(ufs_iget(child->d_sb, ino));
extern struct inode *ufs_iget(struct super_block *, unsigned long);