Revert out:
Revert out:

Update fsync test to match new O_DIRECT behavior.

Greg Smith

zaksoup/gpdb,rubikloud/gpdb,rubikloud/gpdb,randomtask1155/gpdb,janebeckman/gpdb,Chibin/gpdb,xinzweb/gpdb,atris/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,cjcjameson/gpdb,lintzc/gpdb,adam8157/gpdb,janebeckman/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,tpostgres-projects/tPostgres,0x0FFF/gpdb,pavanvd/postgres-xl,ahachete/gpdb,Quikling/gpdb,tangp3/gpdb,chrishajas/gpdb,cjcjameson/gpdb,foyzur/gpdb,postmind-net/postgres-xl,adam8157/gpdb,royc1/gpdb,edespino/gpdb,xuegang/gpdb,zeroae/postgres-xl,lisakowen/gpdb,snaga/postgres-xl,janebeckman/gpdb,0x0FFF/gpdb,janebeckman/gpdb,randomtask1155/gpdb,yuanzhao/gpdb,xuegang/gpdb,CraigHarris/gpdb,foyzur/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,lisakowen/gpdb,Quikling/gpdb,foyzur/gpdb,janebeckman/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,lisakowen/gpdb,Quikling/gpdb,atris/gpdb,atris/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,zeroae/postgres-xl,CraigHarris/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,royc1/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,chrishajas/gpdb,randomtask1155/gpdb,Quikling/gpdb,lintzc/gpdb,chrishajas/gpdb,arcivanov/postgres-xl,snaga/postgres-xl,ovr/postgres-xl,rubikloud/gpdb,ahachete/gpdb,zeroae/postgres-xl,royc1/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,lintzc/gpdb,xinzweb/gpdb,kaknikhil/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,ahachete/gpdb,zaksoup/gpdb,tangp3/gpdb,kaknikhil/gpdb,zeroae/postgres-xl,adam8157/gpdb,foyzur/gpdb,50wu/gpdb,Chibin/gpdb,lintzc/gpdb,CraigHarris/gpdb,atris/gpdb,Chibin/gpdb,Quikling/gpdb,greenplum-db/gpdb,50wu/gpdb,postmind-net/postgres-xl,foyzur/gpdb,postmind-net/postgres-xl,janebeckman/gpdb,oberstet/postgres-xl,edespino/gpdb,kaknikhil/gpdb,rubikloud/gpdb,yazun/postgres-xl,ahachete/gpdb,ashwinstar/gpdb,lintzc/gpdb,chrishajas/gpdb,postmind-net/postgres-xl,lpetrov-pivotal/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,yazun/postgres-xl,chrishajas/gpdb,pavanvd/postgres-xl,0x0FFF/gpdb,yazun/postgres-xl,Chibin/gpdb,greenplum-db/gpdb,zaksoup/gpdb,Postgres-XL/Postgres-XL,cjcjameson/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,Quikling/gpdb,tangp3/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,royc1/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,CraigHarris/gpdb,jmcatamney/gpdb,zaksoup/gpdb,cjcjameson/gpdb,edespino/gpdb,janebeckman/gpdb,xinzweb/gpdb,50wu/gpdb,adam8157/gpdb,techdragon/Postgres-XL,ahachete/gpdb,atris/gpdb,ashwinstar/gpdb,edespino/gpdb,rvs/gpdb,pavanvd/postgres-xl,50wu/gpdb,rvs/gpdb,jmcatamney/gpdb,zaksoup/gpdb,lisakowen/gpdb,zaksoup/gpdb,cjcjameson/gpdb,adam8157/gpdb,adam8157/gpdb,ahachete/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,50wu/gpdb,yuanzhao/gpdb,zaksoup/gpdb,Chibin/gpdb,janebeckman/gpdb,edespino/gpdb,atris/gpdb,CraigHarris/gpdb,greenplum-db/gpdb,rvs/gpdb,greenplum-db/gpdb,xuegang/gpdb,kaknikhil/gpdb,janebeckman/gpdb,Chibin/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,techdragon/Postgres-XL,lpetrov-pivotal/gpdb,ahachete/gpdb,rvs/gpdb,tpostgres-projects/tPostgres,oberstet/postgres-xl,lintzc/gpdb,zaksoup/gpdb,rvs/gpdb,tangp3/gpdb,rubikloud/gpdb,tpostgres-projects/tPostgres,jmcatamney/gpdb,zeroae/postgres-xl,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,Chibin/gpdb,rvs/gpdb,xuegang/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,50wu/gpdb,0x0FFF/gpdb,rubikloud/gpdb,xinzweb/gpdb,edespino/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,rvs/gpdb,foyzur/gpdb,xinzweb/gpdb,lintzc/gpdb,arcivanov/postgres-xl,xuegang/gpdb,Chibin/gpdb,lintzc/gpdb,yazun/postgres-xl,edespino/gpdb,ashwinstar/gpdb,tpostgres-projects/tPostgres,xuegang/gpdb,royc1/gpdb,edespino/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,Chibin/gpdb,randomtask1155/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,rubikloud/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,royc1/gpdb,tangp3/gpdb,royc1/gpdb,royc1/gpdb,randomtask1155/gpdb,techdragon/Postgres-XL,techdragon/Postgres-XL,xuegang/gpdb,adam8157/gpdb,kaknikhil/gpdb,lisakowen/gpdb,50wu/gpdb,atris/gpdb,yazun/postgres-xl,edespino/gpdb,arcivanov/postgres-xl,foyzur/gpdb,foyzur/gpdb,edespino/gpdb,lintzc/gpdb,CraigHarris/gpdb,tangp3/gpdb,chrishajas/gpdb,lisakowen/gpdb,kmjungersen/PostgresXL,tangp3/gpdb,tpostgres-projects/tPostgres,ovr/postgres-xl,lpetrov-pivotal/gpdb,tangp3/gpdb,greenplum-db/gpdb,rvs/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,janebeckman/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,lpetrov-pivotal/gpdb,lisakowen/gpdb,snaga/postgres-xl,Quikling/gpdb,atris/gpdb,xinzweb/gpdb,Quikling/gpdb,ovr/postgres-xl,kmjungersen/PostgresXL,randomtask1155/gpdb,pavanvd/postgres-xl,CraigHarris/gpdb,adam8157/gpdb,snaga/postgres-xl,rubikloud/gpdb,chrishajas/gpdb,Postgres-XL/Postgres-XL,ahachete/gpdb,rvs/gpdb,snaga/postgres-xl,ovr/postgres-xl,ashwinstar/gpdb,arcivanov/postgres-xl,0x0FFF/gpdb,kmjungersen/PostgresXL,ovr/postgres-xl,yuanzhao/gpdb,CraigHarris/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,Chibin/gpdb,jmcatamney/gpdb,kmjungersen/PostgresXL,chrishajas/gpdb,randomtask1155/gpdb,kaknikhil/gpdb,xinzweb/gpdb