add missing while loop on periodic commitlog sync thread. patch by jbellis; reviewed by Chris Goffinet for CASSANDRA-367
add missing while loop on periodic commitlog sync thread.
patch by jbellis; reviewed by Chris Goffinet for CASSANDRA-367

git-svn-id: 1e8683751772dd0ef52a45d586103b4a82d616ff@805615 13f79535-47bb-0310-9956-ffa450edef68

yhnishi/cassandra,mariusae/cassandra,shawnkumar/cstargraph,emolsson/cassandra,emolsson/cassandra,kgreav/cassandra,shookari/cassandra,EnigmaCurry/cassandra,dongjiaqiang/cassandra,pbailis/cassandra-pbs,guanxi55nba/db-improvement,aweisberg/cassandra,newrelic-forks/cassandra,michaelmior/cassandra,sayanh/ViewMaintenanceCassandra,dkua/cassandra,fengshao0907/cassandra-1,clohfink/cassandra,pofallon/cassandra,GabrielNicolasAvellaneda/cassandra,szhou1234/cassandra,pthomaid/cassandra,mheffner/cassandra-1,Stratio/cassandra,tommystendahl/cassandra,scylladb/scylla-tools-java,rdio/cassandra,ben-manes/cassandra,belliottsmith/cassandra,EnigmaCurry/cassandra,newrelic-forks/cassandra,driftx/cassandra,pauloricardomg/cassandra,jasonwee/cassandra,nitsanw/cassandra,bpupadhyaya/cassandra,mgmuscari/cassandra-cdh4,Stratio/stratio-cassandra,belliottsmith/cassandra,ptuckey/cassandra,apache/cassandra,asias/cassandra,mkjellman/cassandra,christian-esken/cassandra,kangkot/stratio-cassandra,taigetco/cassandra_read,scylladb/scylla-tools-java,ejankan/cassandra,LatencyUtils/cassandra-stress2,aureagle/cassandra,sammyyu/Cassandra,kangkot/stratio-cassandra,likaiwalkman/cassandra,hengxin/cassandra,blerer/cassandra,jasobrown/cassandra,sayanh/ViewMaintenanceCassandra,fengshao0907/Cassandra-Research,helena/cassandra,pcmanus/cassandra,shookari/cassandra,leomrocha/cassandra,tongjixianing/projects,helena/cassandra,juiceblender/cassandra,jasobrown/cassandra,sriki77/cassandra,beobal/cassandra,AtwooTM/cassandra,vaibhi9/cassandra,whitepages/cassandra,project-zerus/cassandra,MasahikoSawada/cassandra,segfault/apache_cassandra,rackerlabs/cloudmetrics-cassandra,joesiewert/cassandra,fengshao0907/Cassandra-Research,tommystendahl/cassandra,project-zerus/cassandra,phact/cassandra,hhorii/cassandra,yukim/cassandra,heiko-braun/cassandra,ben-manes/cassandra,darach/cassandra,ptnapoleon/cassandra,instaclustr/cassandra,aweisberg/cassandra,dprguiuc/Cassandra-Wasef,clohfink/cassandra,apache/cassandra,DavidHerzogTU-Berlin/cassandra,AtwooTM/cassandra,stuhood/cassandra-old,ptnapoleon/cassandra,sedulam/CASSANDRA-12201,stef1927/cassandra,weideng1/cassandra,belliottsmith/cassandra,guard163/cassandra,belliottsmith/cassandra,blerer/cassandra,nakomis/cassandra,spodkowinski/cassandra,jrwest/cassandra,helena/cassandra,rogerchina/cassandra,yukim/cassandra,kgreav/cassandra,krummas/cassandra,swps/cassandra,krummas/cassandra,jrwest/cassandra,dprguiuc/Cassandra-Wasef,miguel0afd/cassandra-cqlMod,michaelmior/cassandra,codefollower/Cassandra-Research,jasonstack/cassandra,pkdevbox/cassandra,kgreav/cassandra,ifesdjeen/cassandra,bcoverston/apache-hosted-cassandra,carlyeks/cassandra,aboudreault/cassandra,bpupadhyaya/cassandra,mashuai/Cassandra-Research,mheffner/cassandra-1,rmarchei/cassandra,taigetco/cassandra_read,shawnkumar/cstargraph,iamaleksey/cassandra,darach/cassandra,caidongyun/cassandra,xiongzheng/Cassandra-Research,likaiwalkman/cassandra,ibmsoe/cassandra,sayanh/ViewMaintenanceSupport,tongjixianing/projects,mt0803/cassandra,jeromatron/cassandra,WorksApplications/cassandra,jrwest/cassandra,exoscale/cassandra,snazy/cassandra,sbtourist/cassandra,yukim/cassandra,mkjellman/cassandra,aureagle/cassandra,mike-tr-adamson/cassandra,qinjin/mdtc-cassandra,pauloricardomg/cassandra,matthewtt/cassandra_read,jbellis/cassandra,nvoron23/cassandra,blambov/cassandra,fengshao0907/cassandra-1,iburmistrov/Cassandra,JeremiahDJordan/cassandra,swps/cassandra,DavidHerzogTU-Berlin/cassandra,weipinghe/cassandra,Jollyplum/cassandra,thelastpickle/cassandra,caidongyun/cassandra,yanbit/cassandra,krummas/cassandra,jasobrown/cassandra,DavidHerzogTU-Berlin/cassandra,boneill42/cassandra,Jaumo/cassandra,beobal/cassandra,Bj0rnen/cassandra,strapdata/cassandra,sayanh/ViewMaintenanceSupport,Bj0rnen/cassandra,sammyyu/Cassandra,regispl/cassandra,RyanMagnusson/cassandra,b/project-cassandra,tommystendahl/cassandra,mambocab/cassandra,adelapena/cassandra,szhou1234/cassandra,carlyeks/cassandra,carlyeks/cassandra,iburmistrov/Cassandra,cooldoger/cassandra,yangzhe1991/cassandra,Jaumo/cassandra,DavidHerzogTU-Berlin/cassandraToRun,nutbunnies/cassandra,iamaleksey/cassandra,hengxin/cassandra,yonglehou/cassandra,matthewtt/cassandra_read,WorksApplications/cassandra,Instagram/cassandra,chbatey/cassandra-1,DikangGu/cassandra,segfault/apache_cassandra,bmel/cassandra,kangkot/stratio-cassandra,asias/cassandra,joesiewert/cassandra,yonglehou/cassandra,bmel/cassandra,pthomaid/cassandra,dkua/cassandra,mariusae/cassandra,rackerlabs/cloudmetrics-cassandra,pcmanus/cassandra,mshuler/cassandra,ejankan/cassandra,thelastpickle/cassandra,pbailis/cassandra-pbs,mshuler/cassandra,kgreav/cassandra,lalithsuresh/cassandra-c3,scylladb/scylla-tools-java,GabrielNicolasAvellaneda/cassandra,sbtourist/cassandra,exoscale/cassandra,tjake/cassandra,stuhood/cassandra-old,guard163/cassandra,mshuler/cassandra,sharvanath/cassandra,sayanh/ViewMaintenanceCassandra,macintoshio/cassandra,sammyyu/Cassandra,regispl/cassandra,bcoverston/cassandra,yukim/cassandra,pcmanus/cassandra,jkni/cassandra,jasonwee/cassandra,HidemotoNakada/cassandra-udf,nitsanw/cassandra,juiceblender/cassandra,mike-tr-adamson/cassandra,apache/cassandra,adejanovski/cassandra,bdeggleston/cassandra,hengxin/cassandra,tongjixianing/projects,strapdata/cassandra,jbellis/cassandra,mariusae/cassandra,Stratio/cassandra,mklew/mmp,mariusae/cassandra,dprguiuc/Cassandra-Wasef,bmel/cassandra,DICL/cassandra,rackerlabs/cloudmetrics-cassandra,rogerchina/cassandra,jrwest/cassandra,apache/cassandra,sivikt/cassandra,bcoverston/cassandra,project-zerus/cassandra,phact/cassandra,boneill42/cassandra,DikangGu/cassandra,blerer/cassandra,pthomaid/cassandra,guanxi55nba/db-improvement,rmarchei/cassandra,mt0803/cassandra,nlalevee/cassandra,weipinghe/cassandra,mashuai/Cassandra-Research,sedulam/CASSANDRA-12201,scaledata/cassandra,mkjellman/cassandra,jasonwee/cassandra,aureagle/cassandra,aboudreault/cassandra,jeffjirsa/cassandra,thobbs/cassandra,mkjellman/cassandra,mambocab/cassandra,nutbunnies/cassandra,sriki77/cassandra,matthewtt/cassandra_read,sivikt/cassandra,instaclustr/cassandra,Instagram/cassandra,chaordic/cassandra,snazy/cassandra,instaclustr/cassandra,bcoverston/cassandra,rogerchina/cassandra,josh-mckenzie/cassandra,blambov/cassandra,blambov/cassandra,scaledata/cassandra,michaelsembwever/cassandra,mklew/mmp,josh-mckenzie/cassandra,sbtourist/cassandra,kangkot/stratio-cassandra,joesiewert/cassandra,vramaswamy456/cassandra,michaelsembwever/cassandra,pofallon/cassandra,instaclustr/cassandra,ifesdjeen/cassandra,beobal/cassandra,stuhood/cassandra-old,miguel0afd/cassandra-cqlMod,beobal/cassandra,b/project-cassandra,nlalevee/cassandra,sriki77/cassandra,b/project-cassandra,EnigmaCurry/cassandra,xiongzheng/Cassandra-Research,juiceblender/cassandra,aboudreault/cassandra,whitepages/cassandra,emolsson/cassandra,hhorii/cassandra,ollie314/cassandra,JeremiahDJordan/cassandra,ben-manes/cassandra,thelastpickle/cassandra,juiceblender/cassandra,bpupadhyaya/cassandra,yangzhe1991/cassandra,dongjiaqiang/cassandra,HidemotoNakada/cassandra-udf,RyanMagnusson/cassandra,sedulam/CASSANDRA-12201,ptuckey/cassandra,ptnapoleon/cassandra,caidongyun/cassandra,jeromatron/cassandra,fengshao0907/Cassandra-Research,sluk3r/cassandra,vaibhi9/cassandra,qinjin/mdtc-cassandra,Jollyplum/cassandra,macintoshio/cassandra,guard163/cassandra,christian-esken/cassandra,DavidHerzogTU-Berlin/cassandraToRun,wreda/cassandra,guanxi55nba/key-value-store,pkdevbox/cassandra,RyanMagnusson/cassandra,exoscale/cassandra,nvoron23/cassandra,knifewine/cassandra,DikangGu/cassandra,shawnkumar/cstargraph,modempachev4/kassandra,chbatey/cassandra-1,mshuler/cassandra,Instagram/cassandra,yhnishi/cassandra,jkni/cassandra,scylladb/scylla-tools-java,cooldoger/cassandra,rdio/cassandra,leomrocha/cassandra,nakomis/cassandra,a-buck/cassandra,adejanovski/cassandra,aarushi12002/cassandra,pcn/cassandra-1,DavidHerzogTU-Berlin/cassandraToRun,fengshao0907/cassandra-1,boneill42/cassandra,driftx/cassandra,DICL/cassandra,Stratio/stratio-cassandra,nakomis/cassandra,pallavi510/cassandra,guanxi55nba/key-value-store,tommystendahl/cassandra,ibmsoe/cassandra,sharvanath/cassandra,blambov/cassandra,Bj0rnen/cassandra,lalithsuresh/cassandra-c3,yhnishi/cassandra,driftx/cassandra,rmarchei/cassandra,shookari/cassandra,szhou1234/cassandra,michaelsembwever/cassandra,thobbs/cassandra,iburmistrov/Cassandra,bcoverston/apache-hosted-cassandra,michaelmior/cassandra,WorksApplications/cassandra,qinjin/mdtc-cassandra,cooldoger/cassandra,guanxi55nba/key-value-store,jeffjirsa/cassandra,chaordic/cassandra,spodkowinski/cassandra,yangzhe1991/cassandra,knifewine/cassandra,weideng1/cassandra,GabrielNicolasAvellaneda/cassandra,Stratio/stratio-cassandra,a-buck/cassandra,ollie314/cassandra,stuhood/cassandra-old,leomrocha/cassandra,DICL/cassandra,jeromatron/cassandra,strapdata/cassandra,sluk3r/cassandra,miguel0afd/cassandra-cqlMod,vaibhi9/cassandra,blerer/cassandra,pbailis/cassandra-pbs,newrelic-forks/cassandra,Stratio/stratio-cassandra,regispl/cassandra,JeremiahDJordan/cassandra,bcoverston/apache-hosted-cassandra,nitsanw/cassandra,jasonstack/cassandra,jeffjirsa/cassandra,swps/cassandra,MasahikoSawada/cassandra,WorksApplications/cassandra,ptuckey/cassandra,macintoshio/cassandra,nvoron23/cassandra,iamaleksey/cassandra,driftx/cassandra,mt0803/cassandra,ibmsoe/cassandra,stef1927/cassandra,jsanda/cassandra,christian-esken/cassandra,jbellis/cassandra,iamaleksey/cassandra,segfault/apache_cassandra,aweisberg/cassandra,yanbit/cassandra,spodkowinski/cassandra,b/project-cassandra,gdusbabek/cassandra,bdeggleston/cassandra,weipinghe/cassandra,codefollower/Cassandra-Research,whitepages/cassandra,Jollyplum/cassandra,Jaumo/cassandra,thelastpickle/cassandra,adejanovski/cassandra,sluk3r/cassandra,vramaswamy456/cassandra,snazy/cassandra,mike-tr-adamson/cassandra,bdeggleston/cassandra,a-buck/cassandra,jsanda/cassandra,rdio/cassandra,heiko-braun/cassandra,pallavi510/cassandra,jasonstack/cassandra,yonglehou/cassandra,clohfink/cassandra,pauloricardomg/cassandra,mashuai/Cassandra-Research,dkua/cassandra,stef1927/cassandra,wreda/cassandra,heiko-braun/cassandra,vramaswamy456/cassandra,Imran-C/cassandra,MasahikoSawada/cassandra,mheffner/cassandra-1,ollie314/cassandra,taigetco/cassandra_read,josh-mckenzie/cassandra,codefollower/Cassandra-Research,aarushi12002/cassandra,Stratio/stratio-cassandra,mgmuscari/cassandra-cdh4,cooldoger/cassandra,adelapena/cassandra,guanxi55nba/db-improvement,michaelsembwever/cassandra,chaordic/cassandra,LatencyUtils/cassandra-stress2,LatencyUtils/cassandra-stress2,strapdata/cassandra,jkni/cassandra,modempachev4/kassandra,spodkowinski/cassandra,pcn/cassandra-1,ejankan/cassandra,jasobrown/cassandra,sivikt/cassandra,kangkot/stratio-cassandra,mgmuscari/cassandra-cdh4,aarushi12002/cassandra,chbatey/cassandra-1,Imran-C/cassandra,bdeggleston/cassandra,nutbunnies/cassandra,yanbit/cassandra,jsanda/cassandra,weideng1/cassandra,mariusae/cassandra,lalithsuresh/cassandra-c3,modempachev4/kassandra,dongjiaqiang/cassandra,Stratio/cassandra,sharvanath/cassandra,phact/cassandra,wreda/cassandra,mike-tr-adamson/cassandra,AtwooTM/cassandra,tjake/cassandra,snazy/cassandra,aweisberg/cassandra,xiongzheng/Cassandra-Research,pcn/cassandra-1,pallavi510/cassandra,bcoverston/cassandra,krummas/cassandra,tjake/cassandra,josh-mckenzie/cassandra,ifesdjeen/cassandra,mambocab/cassandra,mklew/mmp,Imran-C/cassandra,gdusbabek/cassandra,stef1927/cassandra,hhorii/cassandra,clohfink/cassandra,ifesdjeen/cassandra,likaiwalkman/cassandra,scaledata/cassandra,adelapena/cassandra,Instagram/cassandra,adelapena/cassandra,pkdevbox/cassandra,thobbs/cassandra,jeffjirsa/cassandra,darach/cassandra,knifewine/cassandra,gdusbabek/cassandra,pofallon/cassandra,tjake/cassandra,nlalevee/cassandra,asias/cassandra,HidemotoNakada/cassandra-udf,pauloricardomg/cassandra,szhou1234/cassandra