4.13.0-rc3 without any patches
        no Quota            -O quota         -O quota,project
    creation   unlink    creation   unlink    creation  unlink
0   93,068  296,028      86,860  285,131      85,199    189,653     ops/per second
1   79,501  280,921      91,079  277,349     186,279    170,982
2   79,932  299,750      90,246  274,457     133,922    191,677
3   80,146  297,525      86,416  272,160     192,354    198,869

Jan Kara branch (quota_scaling)
        no Quota            -O quota         -O quota,project
  creation   unlink      creation   unlink    creation  unlink
0   73,057  311,217      74,898  286,120      81,217    288,138
1   78,872  312,471      76,470  277,033      77,014    288,057
2   79,170  291,440      76,174  283,525      73,686    283,526
3   79,941  309,168      78,493  277,331      78,751    281,377

4.13.0-rc3 with v5 patch https://patchwork.ozlabs.org/patch/799014/					
        no Quota            -O quota         -O quota,project
  creation   unlink     creation   unlink    creation   unlink
0  100,319  322,746     87,480   302,579      84,569    218,969
1  728,424  299,808     312,766  293,471     219,198    199,389
2  729,410  300,930     315,590  289,664     218,283    197,871
3  727,555  298,797     316,837  289,108     213,095    213,458

Jan Kara branch (quota_scaling) with v5 patch https://patchwork.ozlabs.org/patch/799014/
        no Quota            -O quota         -O quota,project
  creation   unlink    creation   unlink    creation     unlink
0  100,312  324,871      87,076  267,303      86,258    288,137
1  707,524  298,892     361,963  252,493     421,919    282,492
2  707,792  298,162     363,450  264,923     397,723    283,675
3  707,420  302,552     354,013  266,638     421,537    281,763