local before=$(lfs_df $MOUNT1 | awk '/^filesystem/{ print $4; exit }')
dd if=/dev/zero of=$DIR1/$tdir/$tfile bs=1M count=$SIZE ||
error "dd $DIR1/$tdir/$tfile ${SIZE}MB failed"
local before=$(lfs_df $MOUNT1 | awk '/^filesystem/{ print $4; exit }')
dd if=/dev/zero of=$DIR1/$tdir/$tfile bs=1M count=$SIZE ||
error "dd $DIR1/$tdir/$tfile ${SIZE}MB failed"