546 	ASSERT(!isnullstartblock(bno));  in __xfs_bmap_add_free()
747 		if (isnullstartblock(rec.br_startblock))  in xfs_bmap_extents_to_btree()
1414 		 isnullstartblock(rec.br_startblock));  in xfs_bmap_isaeof()
1511 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_delay_real()
1526 	ASSERT(isnullstartblock(PREV.br_startblock));  in xfs_bmap_add_extent_delay_real()
1548 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_delay_real()
1566 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_delay_real()
2063 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_unwritten_real()
2096 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2114 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2587 	ASSERT(isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_delay()
2594 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2604 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2733 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_real()
2743 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_real()
2753 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_real()
3155 	    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3184 		    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3225 		if (!isnullstartblock(ap->got.br_startblock)) {  in xfs_bmap_adjacent()
3746 		if (isnullstartblock(irec->br_startblock))  in xfs_trim_extent()
3778 		if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3788 	if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
4406 		} else if (isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_write()
4548 	if (!isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_convert_delalloc()
4595 	ASSERT(!isnullstartblock(bma.got.br_startblock));  in xfs_bmapi_convert_delalloc()
4937 	ASSERT(!isnullstartblock(got->br_startblock));  in xfs_bmap_del_extent_cow()
5029 	ASSERT(!isnullstartblock(got.br_startblock));  in xfs_bmap_del_extent_real()
5369 		wasdel = isnullstartblock(del.br_startblock);  in __xfs_bunmapi()
5490 				ASSERT(!isnullstartblock(prev.br_startblock));  in __xfs_bunmapi()
5812 	if (XFS_IS_CORRUPT(mp, isnullstartblock(got.br_startblock))) {  in xfs_bmap_collapse_extents()
5938 	if (XFS_IS_CORRUPT(mp, isnullstartblock(got.br_startblock))) {  in xfs_bmap_insert_extents()