215 		return BLOCK_NIL;  in NFTL_findfreeblock()
237 			return BLOCK_NIL;  in NFTL_findfreeblock()
241 	return BLOCK_NIL;  in NFTL_findfreeblock()
263 	if (thisEUN == BLOCK_NIL) {  in NFTL_foldchain()
266 		return BLOCK_NIL;  in NFTL_foldchain()
273 	targetEUN = BLOCK_NIL;  in NFTL_foldchain()
313 					BlockMap[block] = BLOCK_NIL;  in NFTL_foldchain()
332 			return BLOCK_NIL;  in NFTL_foldchain()
348 			    BlockMap[block] != BLOCK_NIL &&  in NFTL_foldchain()
377 		if (targetEUN == BLOCK_NIL) {  in NFTL_foldchain()
386 			return BLOCK_NIL;  in NFTL_foldchain()
416 		if (BlockMap[block] == BLOCK_NIL)  in NFTL_foldchain()
442 	oob.u.a.ReplUnitNum = oob.u.a.SpareReplUnitNum = BLOCK_NIL;  in NFTL_foldchain()
477 	nftl->ReplUnitTable[targetEUN] = BLOCK_NIL;  in NFTL_foldchain()
526 		return BLOCK_NIL;  in NFTL_makefreeblock()
554 		lastEUN = BLOCK_NIL;  in NFTL_findwriteunit()
589 				return BLOCK_NIL;  in NFTL_findwriteunit()
602 		if (writeEUN == BLOCK_NIL) {  in NFTL_findwriteunit()
612 			writeEUN = NFTL_makefreeblock(nftl, BLOCK_NIL);  in NFTL_findwriteunit()
614 			if (writeEUN == BLOCK_NIL) {  in NFTL_findwriteunit()
624 			if (writeEUN == BLOCK_NIL) {  in NFTL_findwriteunit()
632 				return BLOCK_NIL;  in NFTL_findwriteunit()
635 			lastEUN = BLOCK_NIL;  in NFTL_findwriteunit()
641 		if (lastEUN != BLOCK_NIL) {  in NFTL_findwriteunit()
650 		nftl->ReplUnitTable[writeEUN] = BLOCK_NIL;  in NFTL_findwriteunit()
664 		if (lastEUN != BLOCK_NIL) {  in NFTL_findwriteunit()
684 	return BLOCK_NIL;  in NFTL_findwriteunit()
698 	if (writeEUN == BLOCK_NIL) {  in nftl_writeblock()
727 	lastgoodEUN = BLOCK_NIL;  in nftl_readblock()
729 	if (thisEUN != BLOCK_NIL) {  in nftl_readblock()
743 				lastgoodEUN = BLOCK_NIL;  in nftl_readblock()
766 	if (lastgoodEUN == BLOCK_NIL) {  in nftl_readblock()