SBOFF
sblk.b_bno = bflag ? bflag : (SBOFF / dev_bsize);
if (havesb && sblk.b_bno != SBOFF / dev_bsize) {
sblk.b_bno = SBOFF / dev_bsize;
rdfs((diskaddr_t)(SBOFF / sectorsize), (int)sbsize,
" for sb : %d\n", ret, SBOFF/sectorsize));
rdfs((diskaddr_t)(SBOFF / sectorsize), (int)sbsize, (char *)&sblock);
wtfs((diskaddr_t)(SBOFF / sectorsize), (int)sbsize, (char *)&sblock);
wtfs((diskaddr_t)(SBOFF / sectorsize), sbsize, (char *)&sblock);
rdfs((diskaddr_t)(SBOFF / sectorsize), (int)sbsize, (char *)&sblock);
rdfs((diskaddr_t)(SBOFF / sectorsize), sbsize, (char *)&sblock);
wtfs((diskaddr_t)(SBOFF / sectorsize), sbsize, (char *)&sblock);
rdfs((diskaddr_t)(SBOFF / sectorsize), (int)sbsize, (char *)&sblock);
wtfs((diskaddr_t)(SBOFF / sectorsize), sbsize, (char *)&sblock);
if (llseek(dskfd, (offset_t)SBOFF, SEEK_SET) < 0 ||