140 	u_long bo;  in pcbmap()  local
203 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);  in pcbmap()
214 		if (bo >= bsize) {  in pcbmap()
220 			cn = getulong(bp->b_data + bo);  in pcbmap()
222 			cn = getushort(bp->b_data + bo);  in pcbmap()
473 	u_long bn, bo, bsize, byteoffset;  in fatentry()  local
511 	fatblock(pmp, byteoffset, &bn, &bsize, &bo);  in fatentry()
519 			readcn = getulong(bp->b_data + bo);  in fatentry()
521 			readcn = getushort(bp->b_data + bo);  in fatentry()
533 			readcn = getushort(bp->b_data + bo);  in fatentry()
541 			putushort(bp->b_data + bo, readcn);  in fatentry()
544 			putushort(bp->b_data + bo, newcontents);  in fatentry()
551 			readcn = getulong(bp->b_data + bo);  in fatentry()
554 			putulong(bp->b_data + bo, readcn);  in fatentry()
578 	u_long bn, bo, bsize, byteoffset, readcn, newc;  in fatchain()  local
593 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);  in fatchain()
603 				readcn = getushort(bp->b_data + bo);  in fatchain()
611 				putushort(bp->b_data + bo, readcn);  in fatchain()
612 				bo++;  in fatchain()
614 					bo++;  in fatchain()
617 				putushort(bp->b_data + bo, newc);  in fatchain()
618 				bo += 2;  in fatchain()
621 				readcn = getulong(bp->b_data + bo);  in fatchain()
624 				putulong(bp->b_data + bo, readcn);  in fatchain()
625 				bo += 4;  in fatchain()
628 			if (bo >= bsize)  in fatchain()
838 	u_long bn, bo, bsize, byteoffset;  in freeclusterchain()  local
844 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);  in freeclusterchain()
863 			readcn = getushort(bp->b_data + bo);  in freeclusterchain()
873 			putushort(bp->b_data + bo, readcn);  in freeclusterchain()
876 			cluster = getushort(bp->b_data + bo);  in freeclusterchain()
877 			putushort(bp->b_data + bo, MSDOSFSFREE);  in freeclusterchain()
880 			cluster = getulong(bp->b_data + bo);  in freeclusterchain()
881 			putulong(bp->b_data + bo,  in freeclusterchain()
903 	u_long bn, bo, bsize, byteoffset, cn, readcn;  in fillinusemap()  local
924 		bo = byteoffset % pmp->pm_fatblocksize;  in fillinusemap()
925 		if (bo == 0) {  in fillinusemap()
935 			readcn = getulong(bp->b_data + bo);  in fillinusemap()
937 			readcn = getushort(bp->b_data + bo);  in fillinusemap()
1140 	u_long bn, bo, bsize, byteoffset, fatval;  in markvoldirty_upgrade()  local
1162 	fatblock(pmp, byteoffset, &bn, &bsize, &bo);  in markvoldirty_upgrade()
1174 		fatval = getulong(&bp->b_data[bo]);  in markvoldirty_upgrade()
1179 		putulong(&bp->b_data[bo], fatval);  in markvoldirty_upgrade()
1182 		fatval = getushort(&bp->b_data[bo]);  in markvoldirty_upgrade()
1187 		putushort(&bp->b_data[bo], fatval);  in markvoldirty_upgrade()