diff --git a/nfs4.1/server41tests/st_flex.py b/nfs4.1/server41tests/st_flex.py
index b46941e..9d09dbc 100644
--- a/nfs4.1/server41tests/st_flex.py
+++ b/nfs4.1/server41tests/st_flex.py
@@ -506,26 +506,25 @@ def testFlexLayoutStatsReset(t, env):
     CODE: FFLS2
     """
 
-    ls = [[15, 14997377109, 756789248, 0, 756834304, 184774, 184763, 14996867426, 135877046309, 252579840, 0, 252665856, 61686, 61665, 14997307909, 336986104593],
-          [15, 29997404625, 1527537664, 0, 1527566336, 372941, 372934, 29996142132, 275416132139, 508502016, 0, 508604416, 124171, 124146, 29997293567, 670368077434],
-          [15, 44999356031, 2331115520, 0, 2331136000, 569125, 569120, 44997516473, 414235887583, 775569408, 0, 775680000, 189375, 189348, 44999096896, 1004056428600],
-          [15, 60001513873, 3142483968, 0, 3142529024, 767219, 767208, 59999263507, 550956049466, 1044996096, 0, 1045082112, 255147, 255126, 60001232968, 1340163285214],
-          [15, 75001564615, 3969384448, 0, 3969413120, 969095, 969088, 74999204445, 687761120289, 1320456192, 0, 1320542208, 322398, 322377, 75001158793, 1676193906267],
-          [15, 90001651970, 4873195520, 0, 4873248768, 1189758, 1189745, 89999194540, 828644696229, 1620467712, 0, 1620545536, 395641, 395622, 90000994588, 2006906488984],
-          [15, 105001710572, 5816430592, 0, 5816467456, 1420036, 1420027, 104995782871, 979226777566, 1935175680, 0, 1935269888, 472478, 472455, 104999171073, 2326727992588],
-          [15, 14997245247, 1466019840, 0, 1466097664, 357934, 357915, 15001797989, 277140995467, 487624704, 0, 487677952, 119062, 119049, 14997939745, 179221181962],
-          [15, 29999503656, 2929393664, 0, 2929500160, 715210, 715184, 30001965158, 554484427501, 974204928, 0, 974229504, 237849, 237843, 29998797328, 359060066193],
-          [15, 45000138417, 4245204992, 0, 4245245952, 1036437, 1036427, 45005641995, 825579118923, 1411981312, 0, 1412071424, 344744, 344722, 44996637179, 547563519532],
-          [15, 60000125536, 5545734144, 0, 5545807872, 1353957, 1353939, 60009284822, 1097378466922, 1844367360, 0, 1844400128, 450293, 450285, 59996684404, 735124264647],
-          [15, 14999894874, 1278164992, 0, 1278226432, 312067, 312052, 15006094174, 270749903934, 425877504, 0, 425947136, 103991, 103974, 15000341906, 189401125380],
-          [15, 30000017314, 2586595328, 0, 2586648576, 631506, 631493, 30009142707, 540229533389, 860536832, 0, 860614656, 210111, 210092, 29999220098, 379353634204],
-          [15, 44999991304, 3859476480, 0, 3859574784, 942279, 942255, 45011969088, 808964878766, 1283543040, 0, 1283575808, 313373, 313365, 44999310875, 571777183394],
-          [15, 60000803942, 5141098496, 0, 5141168128, 1255168, 1255151, 60015665154, 1075012244233, 1709035520, 0, 1709096960, 417260, 417245, 60000142398, 766775808737],
-          [15, 75000722908, 6431453184, 0, 6431526912, 1570197, 1570179, 75018741381, 1344327593333, 2140831744, 0, 2140889088, 522678, 522664, 75000341374, 957762218131],
-          [15, 14990345451, 1310584832, 0, 1310654464, 319984, 319967, 14990338511, 276432361830, 436121600, 0, 436183040, 106490, 106475, 14991353202, 182231098560],
-          [15, 29990415908, 2630619136, 0, 2630701056, 642261, 642241, 29983066936, 554752250256, 875077632, 0, 875126784, 213654, 213642, 29982845793, 362758943732],
-          [15, 44992404751, 3910578176, 0, 3910664192, 954752, 954731, 44982785073, 827471490050, 1300946944, 0, 1300992000, 317625, 317614, 44985003324, 549721947944]]
-
+    ls = [[1, 999825140, 756789248, 0, 756834304, 184774, 184763, 999791161, 9058469753, 252579840, 0, 252665856, 61686, 61665, 999820527, 22465740306],
+          [1, 1999826975, 1527537664, 0, 1527566336, 372941, 372934, 1999742808, 18361075475, 508502016, 0, 508604416, 124171, 124146, 1999819571, 44691205162],
+          [1, 2999957068, 2331115520, 0, 2331136000, 569125, 569120, 2999834431, 27615725838, 775569408, 0, 775680000, 189375, 189348, 2999939793, 66937095240],
+          [1, 4000100924, 3142483968, 0, 3142529024, 767219, 767208, 3999950900, 36730403297, 1044996096, 0, 1045082112, 255147, 255126, 4000082197, 89344219014],
+          [1, 5000104307, 3969384448, 0, 3969413120, 969095, 969088, 4999946963, 45850741352, 1320456192, 0, 1320542208, 322398, 322377, 5000077252, 111746260417],
+          [1, 6000110131, 4873195520, 0, 4873248768, 1189758, 1189745, 5999946302, 55242979748, 1620467712, 0, 1620545536, 395641, 395622, 6000066305, 133793765932],
+          [1, 7000114038, 5816430592, 0, 5816467456, 1420036, 1420027, 6999718858, 65281785171, 1935175680, 0, 1935269888, 472478, 472455, 6999944738, 155115199505],
+          [1, 999816349, 1466019840, 0, 1466097664, 357934, 357915, 1000119865, 18476066364, 487624704, 0, 487677952, 119062, 119049, 999862649, 11948078797],
+          [1, 1999966910, 2929393664, 0, 2929500160, 715210, 715184, 2000131010, 36965628500, 974204928, 0, 974229504, 237849, 237843, 1999919821, 23937337746],
+          [1, 3000009227, 4245204992, 0, 4245245952, 1036437, 1036427, 3000376133, 55038607928, 1411981312, 0, 1412071424, 344744, 344722, 2999775811, 36504234635],
+          [1, 4000008369, 5545734144, 0, 5545807872, 1353957, 1353939, 4000618988, 73158564461, 1844367360, 0, 1844400128, 450293, 450285, 3999778960, 49008284309],
+          [1, 999992991, 1278164992, 0, 1278226432, 312067, 312052, 1000406278, 18049993595, 425877504, 0, 425947136, 103991, 103974, 1000022793, 12626741692],
+          [1, 2000001154, 2586595328, 0, 2586648576, 631506, 631493, 2000609513, 36015302225, 860536832, 0, 860614656, 210111, 210092, 1999948006, 25290242280],
+          [1, 2999999420, 3859476480, 0, 3859574784, 942279, 942255, 3000797939, 53930991917, 1283543040, 0, 1283575808, 313373, 313365, 2999954058, 38118478892],
+          [1, 4000053596, 5141098496, 0, 5141168128, 1255168, 1255151, 4001044343, 71667482948, 1709035520, 0, 1709096960, 417260, 417245, 4000009493, 51118387249],
+          [1, 5000048193, 6431453184, 0, 6431526912, 1570197, 1570179, 5001249425, 89621839555, 2140831744, 0, 2140889088, 522678, 522664, 5000022758, 63850814542],
+          [1, 999356363, 1310584832, 0, 1310654464, 319984, 319967, 999355900, 18428824122, 436121600, 0, 436183040, 106490, 106475, 999423546, 12148739904],
+          [1, 1999361060, 2630619136, 0, 2630701056, 642261, 642241, 1998871129, 36983483350, 875077632, 0, 875126784, 213654, 213642, 1998856386, 24183929582],
+          [1, 2999493650, 3910578176, 0, 3910664192, 954752, 954731, 2998852338, 55164766003, 1300946944, 0, 1300992000, 317625, 317614, 2999000221, 36648129862]]
     _LayoutStats(t, env, ls)
 
 def testFlexLayoutStatsStraight(t, env):
@@ -537,25 +536,25 @@ def testFlexLayoutStatsStraight(t, env):
     CODE: FFLS3
     """
 
-    ls = [[15, 14997377109, 756789248, 0, 756834304, 184774, 184763, 14996867426, 135877046309, 252579840, 0, 252665856, 61686, 61665, 14997307909, 336986104593],
-          [15, 29997404625, 1527537664, 0, 1527566336, 372941, 372934, 29996142132, 275416132139, 508502016, 0, 508604416, 124171, 124146, 29997293567, 670368077434],
-          [15, 44999356031, 2331115520, 0, 2331136000, 569125, 569120, 44997516473, 414235887583, 775569408, 0, 775680000, 189375, 189348, 44999096896, 1004056428600],
-          [15, 60001513873, 3142483968, 0, 3142529024, 767219, 767208, 59999263507, 550956049466, 1044996096, 0, 1045082112, 255147, 255126, 60001232968, 1340163285214],
-          [15, 75001564615, 3969384448, 0, 3969413120, 969095, 969088, 74999204445, 687761120289, 1320456192, 0, 1320542208, 322398, 322377, 75001158793, 1676193906267],
-          [15, 90001651970, 4873195520, 0, 4873248768, 1189758, 1189745, 89999194540, 828644696229, 1620467712, 0, 1620545536, 395641, 395622, 90000994588, 2006906488984],
-          [15, 105001710572, 5816430592, 0, 5816467456, 1420036, 1420027, 104995782871, 979226777566, 1935175680, 0, 1935269888, 472478, 472455, 104999171073, 2326727992588],
-          [15, 119998955819, 7282450432, 0, 7282565120, 1777970, 1777942, 119997580860, 1256367773033, 2422800384, 0, 2422947840, 591540, 591504, 119997110818, 2505949174550],
-          [15, 135001214228, 8745824256, 0, 8745967616, 2135246, 2135211, 134997748029, 1533711205067, 2909380608, 0, 2909499392, 710327, 710298, 134997968401, 2685788058781],
-          [15, 150001848989, 10061635584, 0, 10061713408, 2456473, 2456454, 150001424866, 1804805896489, 3347156992, 0, 3347341312, 817222, 817177, 149995808252, 2874291512120],
-          [15, 165001836108, 11362164736, 0, 11362275328, 2773993, 2773966, 165005067693, 2076605244488, 3779543040, 0, 3779670016, 922771, 922740, 164995855477, 3061852257235],
-          [15, 180001730982, 12640329728, 0, 12640501760, 3086060, 3086018, 180011161867, 2347355148422, 4205420544, 0, 4205617152, 1026762, 1026714, 179996197383, 3251253382615],
-          [15, 195001853422, 13948760064, 0, 13948923904, 3405499, 3405459, 195014210400, 2616834777877, 4640079872, 0, 4640284672, 1132882, 1132832, 194995075575, 3441205891439],
-          [15, 210001827412, 15221641216, 0, 15221850112, 3716272, 3716221, 210017036781, 2885570123254, 5063086080, 0, 5063245824, 1236144, 1236105, 209995166352, 3633629440629],
-          [15, 225002640050, 16503263232, 0, 16503443456, 4029161, 4029117, 225020732847, 3151617488721, 5488578560, 0, 5488766976, 1340031, 1339985, 224995997875, 3828628065972],
-          [15, 240002559016, 17793617920, 0, 17793802240, 4344190, 4344145, 240023809074, 3420932837821, 5920374784, 0, 5920559104, 1445449, 1445404, 239996196851, 4019614475366],
-          [15, 254992904467, 19104202752, 0, 19104456704, 4664174, 4664112, 255014147585, 3697365199651, 6356496384, 0, 6356742144, 1551939, 1551879, 254987550053, 4201845573926],
-          [15, 269992974924, 20424237056, 0, 20424503296, 4986451, 4986386, 270006876010, 3975685088077, 6795452416, 0, 6795685888, 1659103, 1659046, 269979042644, 4382373419098],
-          [15, 284994963767, 21704196096, 0, 21704466432, 5298942, 5298876, 285006594147, 4248404327871, 7221321728, 0, 7221551104, 1763074, 1763018, 284981200175, 4569336423310]]
+    ls = [[1, 999825140, 756789248, 0, 756834304, 184774, 184763, 999791161, 9058469753, 252579840, 0, 252665856, 61686, 61665, 999820527, 22465740306],
+          [1, 1999826975, 1527537664, 0, 1527566336, 372941, 372934, 1999742808, 18361075475, 508502016, 0, 508604416, 124171, 124146, 1999819571, 44691205162],
+          [1, 2999957068, 2331115520, 0, 2331136000, 569125, 569120, 2999834431, 27615725838, 775569408, 0, 775680000, 189375, 189348, 2999939793, 66937095240],
+          [1, 4000100924, 3142483968, 0, 3142529024, 767219, 767208, 3999950900, 36730403297, 1044996096, 0, 1045082112, 255147, 255126, 4000082197, 89344219014],
+          [1, 5000104307, 3969384448, 0, 3969413120, 969095, 969088, 4999946963, 45850741352, 1320456192, 0, 1320542208, 322398, 322377, 5000077252, 111746260417],
+          [1, 6000110131, 4873195520, 0, 4873248768, 1189758, 1189745, 5999946302, 55242979748, 1620467712, 0, 1620545536, 395641, 395622, 6000066305, 133793765932],
+          [1, 7000114038, 5816430592, 0, 5816467456, 1420036, 1420027, 6999718858, 65281785171, 1935175680, 0, 1935269888, 472478, 472455, 6999944738, 155115199505],
+          [1, 7999930387, 7282450432, 0, 7282565120, 1777970, 1777942, 7999838724, 83757851535, 2422800384, 0, 2422947840, 591540, 591504, 7999807387, 167063278303],
+          [1, 9000080948, 8745824256, 0, 8745967616, 2135246, 2135211, 8999849868, 102247413671, 2909380608, 0, 2909499392, 710327, 710298, 8999864560, 179052537252],
+          [1, 10000123265, 10061635584, 0, 10061713408, 2456473, 2456454, 10000094991, 120320393099, 3347156992, 0, 3347341312, 817222, 817177, 9999720550, 191619434141],
+          [1, 11000122407, 11362164736, 0, 11362275328, 2773993, 2773966, 11000337846, 138440349632, 3779543040, 0, 3779670016, 922771, 922740, 10999723698, 204123483815],
+          [1, 12000115398, 12640329728, 0, 12640501760, 3086060, 3086018, 12000744124, 156490343228, 4205420544, 0, 4205617152, 1026762, 1026714, 11999746492, 216750225507],
+          [1, 13000123561, 13948760064, 0, 13948923904, 3405499, 3405459, 13000947360, 174455651858, 4640079872, 0, 4640284672, 1132882, 1132832, 12999671705, 229413726095],
+          [1, 14000121827, 15221641216, 0, 15221850112, 3716272, 3716221, 14001135785, 192371341550, 5063086080, 0, 5063245824, 1236144, 1236105, 13999677756, 242241962708],
+          [1, 15000176003, 16503263232, 0, 16503443456, 4029161, 4029117, 15001382189, 210107832581, 5488578560, 0, 5488766976, 1340031, 1339985, 14999733191, 255241871064],
+          [1, 16000170601, 17793617920, 0, 17793802240, 4344190, 4344145, 16001587271, 228062189188, 5920374784, 0, 5920559104, 1445449, 1445404, 15999746456, 267974298357],
+          [1, 16999526964, 19104202752, 0, 19104456704, 4664174, 4664112, 17000943172, 246491013310, 6356496384, 0, 6356742144, 1551939, 1551879, 16999170003, 280123038261],
+          [1, 17999531661, 20424237056, 0, 20424503296, 4986451, 4986386, 18000458400, 265045672538, 6795452416, 0, 6795685888, 1659103, 1659046, 17998602842, 292158227939],
+          [1, 18999664251, 21704196096, 0, 21704466432, 5298942, 5298876, 19000439609, 283226955191, 7221321728, 0, 7221551104, 1763074, 1763018, 18998746678, 304622428220]]
     _LayoutStats(t, env, ls)
 
 def testFlexLayoutStatsOverflow(t, env):
@@ -566,31 +565,31 @@ def testFlexLayoutStatsOverflow(t, env):
     CODE: FFLS4
     """
 
-    ls = [[27, 27614183359, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 96468992, 10292, 10240, 26609085208, 134047775590766],
-          [15, 42725368747, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 2402213888, 15847, 11881, 31458638093, 136367242297571],
-          [15, 57912190475, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 2406907904, 15924, 11881, 31458638093, 136367242297571],
-          [15, 72921814168, 0, 0, 0, 0, 0, 0, 0, 896532480, 0, 2946293760, 16847, 15969, 70391696445, 275087250172195],
-          [15, 87922239746, 0, 0, 0, 0, 0, 0, 0, 896532480, 0, 3196473344, 18335, 15969, 70391696445, 275087250172195],
-          [15, 102949476399, 0, 0, 0, 0, 0, 0, 0, 1808183296, 0, 4038545408, 20452, 19074, 92455324261, 310159328537298],
-          [15, 117951351182, 0, 0, 0, 0, 0, 0, 0, 2587693056, 0, 4486782976, 22613, 19935, 116950745229, 331739899803911],
-          [16, 133017224561, 0, 0, 0, 0, 0, 0, 0, 2587693056, 0, 4830961664, 23306, 22169, 118004988775, 353778424445917],
-          [15, 148031127154, 0, 0, 0, 0, 0, 0, 0, 4132970496, 0, 5960671232, 29861, 26094, 146128115965, 387064682636158],
-          [15, 163058556237, 0, 0, 0, 0, 0, 0, 0, 5614419968, 0, 7550558208, 40590, 39198, 159139080717, 453635077855389],
-          [15, 178067770476, 0, 0, 0, 0, 0, 0, 0, 5614419968, 0, 7838756864, 41554, 39198, 159139080717, 453635077855389],
-          [15, 193081456711, 0, 0, 0, 0, 0, 0, 0, 6428528640, 0, 8151494656, 43497, 42179, 189486399712, 517147615890054],
-          [15, 208082626131, 0, 0, 0, 0, 0, 0, 0, 7284596736, 0, 8656367616, 47929, 43079, 207082978313, 532741795045495],
-          [15, 223082643294, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9539055616, 58212, 53705, 222083467525, 636168303637199],
-          [15, 238083127306, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9763426304, 62673, 57863, 223491351125, 650450833313121],
-          [15, 253175262253, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9860571136, 65509, 57863, 223491351125, 650450833313121],
-          [15, 268185316876, 0, 0, 0, 0, 0, 0, 0, 8729772032, 0, 10523738112, 71014, 65222, 267165070170, 853839631006322],
-          [17, 285787666679, 0, 0, 0, 0, 0, 0, 0, 9522692096, 0, 10779361280, 72612, 66965, 284787142241, 896650223319399],
-          [33, 318568880195, 0, 0, 0, 0, 0, 0, 0, 9522692096, 0, 10779361280, 72613, 72611, 317562885639, 1120229814239633],
-          [15, 333747489171, 0, 0, 0, 0, 0, 0, 0, 10788278272, 0, 10788802560, 74918, 74790, 332233465692, 1121703181284495],
-          [15, 348749618256, 0, 0, 0, 0, 0, 0, 0, 10801360896, 0, 10801885184, 78112, 77984, 347235605251, 1123668237106158],
-          [14, 362014682745, 0, 0, 0, 0, 0, 0, 0, 10812923904, 0, 10814496768, 81191, 80935, 361134569864, 1125289046746198],
-          [15, 377016435231, 0, 0, 0, 0, 0, 0, 0, 10836291584, 0, 10837864448, 86896, 86640, 376136316640, 1127198465086932],
-          [15, 392027464946, 0, 0, 0, 0, 0, 0, 0, 10852364288, 0, 10853937152, 90820, 90564, 391147321463, 1129113173731145],
-          [15, 407034683097, 0, 0, 0, 0, 0, 0, 0, 10864914432, 0, 10866487296, 93884, 93628, 406154554429, 1131023767183211]]
+    ls = [[3, 3944883337, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 96468992, 10292, 10240, 3801297886, 19149682227252],
+          [2, 6103624106, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 2402213888, 15847, 11881, 4494091156, 19481034613938],
+          [2, 8273170067, 0, 0, 0, 0, 0, 0, 0, 41943040, 0, 2406907904, 15924, 11881, 4494091156, 19481034613938],
+          [2, 10417402024, 0, 0, 0, 0, 0, 0, 0, 896532480, 0, 2946293760, 16847, 15969, 10055956635, 39298178596027],
+          [2, 12560319963, 0, 0, 0, 0, 0, 0, 0, 896532480, 0, 3196473344, 18335, 15969, 10055956635, 39298178596027],
+          [2, 14707068057, 0, 0, 0, 0, 0, 0, 0, 1808183296, 0, 4038545408, 20452, 19074, 13207903465, 44308475505328],
+          [2, 16850193026, 0, 0, 0, 0, 0, 0, 0, 2587693056, 0, 4486782976, 22613, 19935, 16707249318, 47391414257701],
+          [2, 19002460651, 0, 0, 0, 0, 0, 0, 0, 2587693056, 0, 4830961664, 23306, 22169, 16857855539, 50539774920845],
+          [2, 21147303879, 0, 0, 0, 0, 0, 0, 0, 4132970496, 0, 5960671232, 29861, 26094, 20875445137, 55294954662308],
+          [2, 23294079462, 0, 0, 0, 0, 0, 0, 0, 5614419968, 0, 7550558208, 40590, 39198, 22734154388, 64805011122198],
+          [2, 25438252925, 0, 0, 0, 0, 0, 0, 0, 5614419968, 0, 7838756864, 41554, 39198, 22734154388, 64805011122198],
+          [2, 27583065244, 0, 0, 0, 0, 0, 0, 0, 6428528640, 0, 8151494656, 43497, 42179, 27069485673, 73878230841436],
+          [2, 29726089447, 0, 0, 0, 0, 0, 0, 0, 7284596736, 0, 8656367616, 47929, 43079, 29583282616, 76105970720785],
+          [2, 31868949042, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9539055616, 58212, 53705, 31726209646, 90881186233885],
+          [2, 34011875329, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9763426304, 62673, 57863, 31927335875, 92921547616160],
+          [2, 36167894607, 0, 0, 0, 0, 0, 0, 0, 7944978432, 0, 9860571136, 65509, 57863, 31927335875, 92921547616160],
+          [2, 38312188125, 0, 0, 0, 0, 0, 0, 0, 8729772032, 0, 10523738112, 71014, 65222, 38166438595, 121977090143760],
+          [2, 40826809525, 0, 0, 0, 0, 0, 0, 0, 9522692096, 0, 10779361280, 72612, 66965, 40683877463, 128092889045628],
+          [4, 45509840027, 0, 0, 0, 0, 0, 0, 0, 9522692096, 0, 10779361280, 72613, 72611, 45366126519, 160032830605661],
+          [2, 47678212738, 0, 0, 0, 0, 0, 0, 0, 10788278272, 0, 10788802560, 74918, 74790, 47461923670, 160243311612070],
+          [2, 49821374036, 0, 0, 0, 0, 0, 0, 0, 10801360896, 0, 10801885184, 78112, 77984, 49605086464, 160524033872308],
+          [1, 51716383249, 0, 0, 0, 0, 0, 0, 0, 10812923904, 0, 10814496768, 81191, 80935, 51590652837, 160755578106599],
+          [2, 53859490747, 0, 0, 0, 0, 0, 0, 0, 10836291584, 0, 10837864448, 86896, 86640, 53733759520, 161028352155276],
+          [2, 56003923563, 0, 0, 0, 0, 0, 0, 0, 10852364288, 0, 10853937152, 90820, 90564, 55878188780, 161301881961592],
+          [2, 58147811871, 0, 0, 0, 0, 0, 0, 0, 10864914432, 0, 10866487296, 93884, 93628, 58022079204, 161574823883315]]
     _LayoutStats(t, env, ls)
 
 def layoutget_return(sess, fh, open_stateid, allowed_errors=NFS4_OK,
