bpf_get_inode
struct inode *bpf_get_inode(struct super_block *sb, const struct inode *dir,
inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFDIR);
struct inode *inode = bpf_get_inode(dir->i_sb, dir, mode);
inode = bpf_get_inode(dir->i_sb, dir, S_IRWXUGO | S_IFLNK);
inode = bpf_get_inode(sb, NULL, mode);