355 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
368 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_check_leaf_extents()
459 		if (bno == NULLFSBLOCK)  in xfs_bmap_check_leaf_extents()
582 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_add_free()
781 	if (*firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
802 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_extents_to_btree()
803 	ASSERT(*firstblock == NULLFSBLOCK ||  in xfs_bmap_extents_to_btree()
931 	if (*firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
945 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
1261 	bno = NULLFSBLOCK;  in xfs_bmap_read_extents()
1274 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_read_extents()
1323 		if (nextbno != NULLFSBLOCK)  in xfs_bmap_read_extents()
1355 		if (bno == NULLFSBLOCK)  in xfs_bmap_read_extents()
3369 	nullfb = *ap->firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3436 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3442 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3478 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3484 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3489 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3491 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3493 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3678 	nullfb = *ap->firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3812 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3826 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3837 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3845 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3854 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3859 		ASSERT(*ap->firstblock == NULLFSBLOCK ||  in xfs_bmap_btalloc()
3867 		if (*ap->firstblock == NULLFSBLOCK)  in xfs_bmap_btalloc()
3885 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4341 	if (bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4563 	if (*firstblock == NULLFSBLOCK) {  in xfs_bmapi_write()
4623 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4698 			ASSERT(*firstblock == NULLFSBLOCK ||  in xfs_bmapi_write()
5690 	ASSERT(*next_fsb != NULLFSBLOCK || direction == SHIFT_RIGHT);  in xfs_bmap_shift_extents()
5721 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_shift_extents()
5778 			*next_fsb = NULLFSBLOCK;  in xfs_bmap_shift_extents()