fix: fs with f_blocks=0 would result in remaining fs being skipped
fix: fs with f_blocks=0 would result in remaining fs being skipped

maier/nad,maier/nad,HeinrichHartmann/nad,maier/nad,hjhart/nad,circonus-labs/nad,maier/nad,esproul/nad,HeinrichHartmann/nad,hjhart/nad,HeinrichHartmann/nad,esproul/nad,esproul/nad,maier/nad,esproul/nad,maier/nad,keithf4/nad,hjhart/nad,HeinrichHartmann/nad,keithf4/nad,hjhart/nad,esproul/nad,keithf4/nad,circonus-labs/nad,circonus-labs/nad,HeinrichHartmann/nad,circonus-labs/nad,hjhart/nad,circonus-labs/nad,circonus-labs/nad,keithf4/nad,HeinrichHartmann/nad,keithf4/nad