ubifs_iget
inode = ubifs_iget(dir->i_sb, le64_to_cpu(dent->inum));
xino = ubifs_iget(c->vfs_sb, le64_to_cpu(xent->inum));
inode = ubifs_iget(c->vfs_sb, e->inum);
root = ubifs_iget(sb, UBIFS_ROOT_INO);
struct inode *ubifs_iget(struct super_block *sb, unsigned long inum);
inode = ubifs_iget(c->vfs_sb, inum);
xino = ubifs_iget(c->vfs_sb, le64_to_cpu(xent->inum));