fs/msdosfs/msdosfs_fat.c

139 	u_long bo;
202 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);
214 		if (bo >= bsize) {
220 			cn = getulong(&bp->b_data[bo]);
222 			cn = getushort(&bp->b_data[bo]);
480 	u_long bn, bo, bsize, byteoffset;
518 	fatblock(pmp, byteoffset, &bn, &bsize, &bo);
527 			readcn = getulong(&bp->b_data[bo]);
529 			readcn = getushort(&bp->b_data[bo]);
541 			readcn = getushort(&bp->b_data[bo]);
549 			putushort(&bp->b_data[bo], readcn);
552 			putushort(&bp->b_data[bo], newcontents);
559 			readcn = getulong(&bp->b_data[bo]);
562 			putulong(&bp->b_data[bo], readcn);
590 	u_long bn, bo, bsize, byteoffset, readcn, newc;
605 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);
616 				readcn = getushort(&bp->b_data[bo]);
624 				putushort(&bp->b_data[bo], readcn);
625 				bo++;
627 					bo++;
630 				putushort(&bp->b_data[bo], newc);
631 				bo += 2;
634 				readcn = getulong(&bp->b_data[bo]);
637 				putulong(&bp->b_data[bo], readcn);
638 				bo += 4;
641 			if (bo >= bsize)
845 	u_long bn, bo, bsize, byteoffset;
851 		fatblock(pmp, byteoffset, &bn, &bsize, &bo);
866 			readcn = getushort(&bp->b_data[bo]);
876 			putushort(&bp->b_data[bo], readcn);
879 			cluster = getushort(&bp->b_data[bo]);
880 			putushort(&bp->b_data[bo], MSDOSFSFREE);
883 			cluster = getulong(&bp->b_data[bo]);
884 			putulong(&bp->b_data[bo],
909 	u_long bn, bo, bsize, byteoffset;
928 		bo = byteoffset % pmp->pm_fatblocksize;
929 		if (!bo || !bp) {
941 			readcn = getulong(&bp->b_data[bo]);
943 			readcn = getushort(&bp->b_data[bo]);
1124 	u_long bn, bo, bsize, byteoffset, fatval;
1143 	fatblock(pmp, byteoffset, &bn, &bsize, &bo);
1157 		fatval = getulong(&bp->b_data[bo]);
1162 		putulong(&bp->b_data[bo], fatval);
1165 		fatval = getushort(&bp->b_data[bo]);
1170 		putushort(&bp->b_data[bo], fatval);