 -- Check the validity of a parent dir prior to create/mkdir
 -- Check the validity of a parent dir prior to create/mkdir

icejoywoo/kosmosfs,matrix65536/kosmosfs,rapoth/kosmosfs,fertsoh07/kosmosfs,icejoywoo/kosmosfs,icejoywoo/kosmosfs,leewide/kosmosfs,icejoywoo/kosmosfs,fertsoh07/kosmosfs,sql-analytics/kosmosfs,xxtbg/kosmosfs,leewide/kosmosfs,yushu9/kosmosfs,thomascarterx/kosmosfs,rapoth/kosmosfs,matrix65536/kosmosfs,thomascarterx/kosmosfs,leewide/kosmosfs,thomascarterx/kosmosfs,matrix65536/kosmosfs,tempbottle/kosmosfs-1,icejoywoo/kosmosfs,icejoywoo/kosmosfs,thomascarterx/kosmosfs,tempbottle/kosmosfs,yushu9/kosmosfs,sql-analytics/kosmosfs,sql-analytics/kosmosfs,xxtbg/kosmosfs,icejoywoo/kosmosfs,xxtbg/kosmosfs,leewide/kosmosfs,tempbottle/kosmosfs-1,matrix65536/kosmosfs,leewide/kosmosfs,tempbottle/kosmosfs,rapoth/kosmosfs,tempbottle/kosmosfs-1,leewide/kosmosfs,matrix65536/kosmosfs,rapoth/kosmosfs,sql-analytics/kosmosfs,tempbottle/kosmosfs,fertsoh07/kosmosfs,yushu9/kosmosfs,leewide/kosmosfs,rapoth/kosmosfs,xxtbg/kosmosfs,sql-analytics/kosmosfs,tempbottle/kosmosfs-1,thomascarterx/kosmosfs,fertsoh07/kosmosfs,sql-analytics/kosmosfs,xxtbg/kosmosfs,rapoth/kosmosfs,xxtbg/kosmosfs,tempbottle/kosmosfs-1,thomascarterx/kosmosfs,tempbottle/kosmosfs-1,tempbottle/kosmosfs,yushu9/kosmosfs,matrix65536/kosmosfs,tempbottle/kosmosfs,tempbottle/kosmosfs-1,rapoth/kosmosfs,thomascarterx/kosmosfs,fertsoh07/kosmosfs,yushu9/kosmosfs,tempbottle/kosmosfs,matrix65536/kosmosfs,fertsoh07/kosmosfs,xxtbg/kosmosfs,fertsoh07/kosmosfs,yushu9/kosmosfs,yushu9/kosmosfs,tempbottle/kosmosfs