Changed [submit_read] and [submit_write] in arch/io/disk.cc to use [do_on_thread] instead of [spawn_later_ordered].
Changed [submit_read] and [submit_write] in arch/io/disk.cc to use [do_on_thread] instead of [spawn_later_ordered].

RubenKelevra/rethinkdb,jesseditson/rethinkdb,AntouanK/rethinkdb,jmptrader/rethinkdb,Qinusty/rethinkdb,RubenKelevra/rethinkdb,victorbriz/rethinkdb,RubenKelevra/rethinkdb,eliangidoni/rethinkdb,robertjpayne/rethinkdb,mquandalle/rethinkdb,jfriedly/rethinkdb,RubenKelevra/rethinkdb,scripni/rethinkdb,jesseditson/rethinkdb,rrampage/rethinkdb,grandquista/rethinkdb,catroot/rethinkdb,nviennot/rethinkdb,losywee/rethinkdb,Wilbeibi/rethinkdb,pap/rethinkdb,sontek/rethinkdb,urandu/rethinkdb,wkennington/rethinkdb,rrampage/rethinkdb,wojons/rethinkdb,victorbriz/rethinkdb,gdi2290/rethinkdb,bchavez/rethinkdb,eliangidoni/rethinkdb,gavioto/rethinkdb,wojons/rethinkdb,grandquista/rethinkdb,elkingtonmcb/rethinkdb,pap/rethinkdb,captainpete/rethinkdb,catroot/rethinkdb,4talesa/rethinkdb,mquandalle/rethinkdb,robertjpayne/rethinkdb,mbroadst/rethinkdb,alash3al/rethinkdb,bchavez/rethinkdb,matthaywardwebdesign/rethinkdb,AtnNn/rethinkdb,alash3al/rethinkdb,4talesa/rethinkdb,niieani/rethinkdb,spblightadv/rethinkdb,ayumilong/rethinkdb,jmptrader/rethinkdb,captainpete/rethinkdb,greyhwndz/rethinkdb,sontek/rethinkdb,greyhwndz/rethinkdb,yaolinz/rethinkdb,ayumilong/rethinkdb,grandquista/rethinkdb,matthaywardwebdesign/rethinkdb,gdi2290/rethinkdb,dparnell/rethinkdb,wujf/rethinkdb,greyhwndz/rethinkdb,Wilbeibi/rethinkdb,yaolinz/rethinkdb,gdi2290/rethinkdb,catroot/rethinkdb,matthaywardwebdesign/rethinkdb,mbroadst/rethinkdb,tempbottle/rethinkdb,elkingtonmcb/rethinkdb,ayumilong/rethinkdb,Wilbeibi/rethinkdb,losywee/rethinkdb,ajose01/rethinkdb,mcanthony/rethinkdb,ayumilong/rethinkdb,eliangidoni/rethinkdb,mcanthony/rethinkdb,jfriedly/rethinkdb,wujf/rethinkdb,marshall007/rethinkdb,sbusso/rethinkdb,urandu/rethinkdb,sbusso/rethinkdb,captainpete/rethinkdb,yakovenkodenis/rethinkdb,matthaywardwebdesign/rethinkdb,catroot/rethinkdb,ajose01/rethinkdb,KSanthanam/rethinkdb,nviennot/rethinkdb,yakovenkodenis/rethinkdb,jmptrader/rethinkdb,pap/rethinkdb,sontek/rethinkdb,AtnNn/rethinkdb,losywee/rethinkdb,gavioto/rethinkdb,captainpete/rethinkdb,jesseditson/rethinkdb,dparnell/rethinkdb,JackieXie168/rethinkdb,AtnNn/rethinkdb,JackieXie168/rethinkdb,bchavez/rethinkdb,matthaywardwebdesign/rethinkdb,sbusso/rethinkdb,jesseditson/rethinkdb,KSanthanam/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,jfriedly/rethinkdb,tempbottle/rethinkdb,sebadiaz/rethinkdb,nviennot/rethinkdb,bchavez/rethinkdb,marshall007/rethinkdb,grandquista/rethinkdb,ajose01/rethinkdb,robertjpayne/rethinkdb,jesseditson/rethinkdb,losywee/rethinkdb,jmptrader/rethinkdb,AtnNn/rethinkdb,greyhwndz/rethinkdb,urandu/rethinkdb,4talesa/rethinkdb,tempbottle/rethinkdb,sebadiaz/rethinkdb,alash3al/rethinkdb,4talesa/rethinkdb,mcanthony/rethinkdb,sbusso/rethinkdb,gavioto/rethinkdb,spblightadv/rethinkdb,wujf/rethinkdb,wojons/rethinkdb,catroot/rethinkdb,gdi2290/rethinkdb,ayumilong/rethinkdb,mcanthony/rethinkdb,gdi2290/rethinkdb,lenstr/rethinkdb,nviennot/rethinkdb,gavioto/rethinkdb,mquandalle/rethinkdb,elkingtonmcb/rethinkdb,sebadiaz/rethinkdb,elkingtonmcb/rethinkdb,wkennington/rethinkdb,JackieXie168/rethinkdb,Wilbeibi/rethinkdb,gavioto/rethinkdb,grandquista/rethinkdb,victorbriz/rethinkdb,robertjpayne/rethinkdb,gdi2290/rethinkdb,lenstr/rethinkdb,catroot/rethinkdb,KSanthanam/rethinkdb,greyhwndz/rethinkdb,mbroadst/rethinkdb,robertjpayne/rethinkdb,dparnell/rethinkdb,niieani/rethinkdb,AntouanK/rethinkdb,rrampage/rethinkdb,wojons/rethinkdb,RubenKelevra/rethinkdb,lenstr/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,sbusso/rethinkdb,4talesa/rethinkdb,gavioto/rethinkdb,urandu/rethinkdb,sbusso/rethinkdb,tempbottle/rethinkdb,captainpete/rethinkdb,4talesa/rethinkdb,pap/rethinkdb,AntouanK/rethinkdb,jfriedly/rethinkdb,AtnNn/rethinkdb,bchavez/rethinkdb,bpradipt/rethinkdb,wojons/rethinkdb,Qinusty/rethinkdb,Wilbeibi/rethinkdb,scripni/rethinkdb,captainpete/rethinkdb,marshall007/rethinkdb,wkennington/rethinkdb,tempbottle/rethinkdb,tempbottle/rethinkdb,mquandalle/rethinkdb,grandquista/rethinkdb,wkennington/rethinkdb,wkennington/rethinkdb,sontek/rethinkdb,matthaywardwebdesign/rethinkdb,matthaywardwebdesign/rethinkdb,sebadiaz/rethinkdb,losywee/rethinkdb,sebadiaz/rethinkdb,ayumilong/rethinkdb,mquandalle/rethinkdb,AntouanK/rethinkdb,robertjpayne/rethinkdb,marshall007/rethinkdb,AntouanK/rethinkdb,wujf/rethinkdb,ajose01/rethinkdb,sontek/rethinkdb,yaolinz/rethinkdb,sontek/rethinkdb,elkingtonmcb/rethinkdb,KSanthanam/rethinkdb,losywee/rethinkdb,jmptrader/rethinkdb,victorbriz/rethinkdb,yakovenkodenis/rethinkdb,wujf/rethinkdb,gdi2290/rethinkdb,urandu/rethinkdb,dparnell/rethinkdb,elkingtonmcb/rethinkdb,wojons/rethinkdb,wkennington/rethinkdb,ayumilong/rethinkdb,mbroadst/rethinkdb,jfriedly/rethinkdb,mquandalle/rethinkdb,catroot/rethinkdb,mcanthony/rethinkdb,alash3al/rethinkdb,Qinusty/rethinkdb,rrampage/rethinkdb,wujf/rethinkdb,sontek/rethinkdb,sbusso/rethinkdb,marshall007/rethinkdb,yaolinz/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,matthaywardwebdesign/rethinkdb,jesseditson/rethinkdb,alash3al/rethinkdb,mbroadst/rethinkdb,ajose01/rethinkdb,Qinusty/rethinkdb,eliangidoni/rethinkdb,yakovenkodenis/rethinkdb,bpradipt/rethinkdb,JackieXie168/rethinkdb,bpradipt/rethinkdb,spblightadv/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,JackieXie168/rethinkdb,rrampage/rethinkdb,gavioto/rethinkdb,yaolinz/rethinkdb,victorbriz/rethinkdb,AtnNn/rethinkdb,dparnell/rethinkdb,bpradipt/rethinkdb,JackieXie168/rethinkdb,pap/rethinkdb,eliangidoni/rethinkdb,scripni/rethinkdb,spblightadv/rethinkdb,niieani/rethinkdb,spblightadv/rethinkdb,wkennington/rethinkdb,alash3al/rethinkdb,JackieXie168/rethinkdb,Qinusty/rethinkdb,eliangidoni/rethinkdb,marshall007/rethinkdb,lenstr/rethinkdb,ajose01/rethinkdb,KSanthanam/rethinkdb,Qinusty/rethinkdb,yakovenkodenis/rethinkdb,scripni/rethinkdb,niieani/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,victorbriz/rethinkdb,captainpete/rethinkdb,greyhwndz/rethinkdb,niieani/rethinkdb,rrampage/rethinkdb,RubenKelevra/rethinkdb,mcanthony/rethinkdb,mcanthony/rethinkdb,rrampage/rethinkdb,jmptrader/rethinkdb,jfriedly/rethinkdb,AtnNn/rethinkdb,losywee/rethinkdb,Qinusty/rethinkdb,KSanthanam/rethinkdb,jmptrader/rethinkdb,urandu/rethinkdb,pap/rethinkdb,greyhwndz/rethinkdb,niieani/rethinkdb,Qinusty/rethinkdb,victorbriz/rethinkdb,niieani/rethinkdb,yaolinz/rethinkdb,bchavez/rethinkdb,AntouanK/rethinkdb,jesseditson/rethinkdb,nviennot/rethinkdb,eliangidoni/rethinkdb,nviennot/rethinkdb,pap/rethinkdb,captainpete/rethinkdb,eliangidoni/rethinkdb,dparnell/rethinkdb,Wilbeibi/rethinkdb,yakovenkodenis/rethinkdb,wujf/rethinkdb,wojons/rethinkdb,yakovenkodenis/rethinkdb,ayumilong/rethinkdb,ajose01/rethinkdb,KSanthanam/rethinkdb,marshall007/rethinkdb,scripni/rethinkdb,elkingtonmcb/rethinkdb,AntouanK/rethinkdb,grandquista/rethinkdb,Wilbeibi/rethinkdb,niieani/rethinkdb,eliangidoni/rethinkdb,scripni/rethinkdb,tempbottle/rethinkdb,nviennot/rethinkdb,KSanthanam/rethinkdb,alash3al/rethinkdb,spblightadv/rethinkdb,nviennot/rethinkdb,AtnNn/rethinkdb,wojons/rethinkdb,elkingtonmcb/rethinkdb,scripni/rethinkdb,robertjpayne/rethinkdb,Wilbeibi/rethinkdb,Qinusty/rethinkdb,jmptrader/rethinkdb,lenstr/rethinkdb,losywee/rethinkdb,bpradipt/rethinkdb,4talesa/rethinkdb,spblightadv/rethinkdb,yaolinz/rethinkdb,marshall007/rethinkdb,JackieXie168/rethinkdb,sbusso/rethinkdb,yaolinz/rethinkdb,lenstr/rethinkdb,mquandalle/rethinkdb,bpradipt/rethinkdb,dparnell/rethinkdb,victorbriz/rethinkdb,alash3al/rethinkdb,grandquista/rethinkdb,mcanthony/rethinkdb,RubenKelevra/rethinkdb,lenstr/rethinkdb,jfriedly/rethinkdb,catroot/rethinkdb,sebadiaz/rethinkdb,jesseditson/rethinkdb,ajose01/rethinkdb,dparnell/rethinkdb,mbroadst/rethinkdb,wkennington/rethinkdb,sontek/rethinkdb,greyhwndz/rethinkdb,gavioto/rethinkdb,sebadiaz/rethinkdb,mquandalle/rethinkdb,robertjpayne/rethinkdb,spblightadv/rethinkdb,jfriedly/rethinkdb,urandu/rethinkdb,RubenKelevra/rethinkdb,dparnell/rethinkdb,lenstr/rethinkdb,4talesa/rethinkdb,sebadiaz/rethinkdb,mbroadst/rethinkdb,bchavez/rethinkdb,urandu/rethinkdb,pap/rethinkdb,AntouanK/rethinkdb,scripni/rethinkdb,yakovenkodenis/rethinkdb,tempbottle/rethinkdb,rrampage/rethinkdb