ext2_new_inode
extern struct inode * ext2_new_inode (struct inode *, umode_t, const struct qstr *);
inode = ext2_new_inode(dir, mode, &dentry->d_name);
struct inode *inode = ext2_new_inode(dir, mode, NULL);
inode = ext2_new_inode (dir, mode, &dentry->d_name);
inode = ext2_new_inode (dir, S_IFLNK | S_IRWXUGO, &dentry->d_name);
inode = ext2_new_inode(dir, S_IFDIR | mode, &dentry->d_name);