VP0_SECTOR_SIZE
len = (((blen - *count) >= VP0_SECTOR_SIZE)) ?
VP0_SECTOR_SIZE : 2;
len = (((blen - *count) >= VP0_SECTOR_SIZE)) ?
VP0_SECTOR_SIZE : 1;
len = (((blen - *count) >= VP0_SECTOR_SIZE)) ?
VP0_SECTOR_SIZE : 1;