549 	ASSERT(!isnullstartblock(bno));  in __xfs_bmap_add_free()
747 		if (isnullstartblock(rec.br_startblock))  in xfs_bmap_extents_to_btree()
1395 		 isnullstartblock(rec.br_startblock));  in xfs_bmap_isaeof()
1460 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_delay_real()
1475 	ASSERT(isnullstartblock(PREV.br_startblock));  in xfs_bmap_add_extent_delay_real()
1497 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_delay_real()
1515 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_delay_real()
2012 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_unwritten_real()
2045 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2063 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2536 	ASSERT(isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_delay()
2543 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2553 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2682 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_real()
2692 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_real()
2702 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_real()
3104 	    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3133 		    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3174 		if (!isnullstartblock(ap->got.br_startblock)) {  in xfs_bmap_adjacent()
3792 		if (isnullstartblock(irec->br_startblock))  in xfs_trim_extent()
3824 		if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3834 	if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
4455 		} else if (isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_write()
4603 	if (!isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_convert_delalloc()
4650 	ASSERT(!isnullstartblock(bma.got.br_startblock));  in xfs_bmapi_convert_delalloc()
4989 	ASSERT(!isnullstartblock(got->br_startblock));  in xfs_bmap_del_extent_cow()
5081 	ASSERT(!isnullstartblock(got.br_startblock));  in xfs_bmap_del_extent_real()
5442 		wasdel = isnullstartblock(del.br_startblock);  in __xfs_bunmapi()
5553 				ASSERT(!isnullstartblock(prev.br_startblock));  in __xfs_bunmapi()
5873 	if (XFS_IS_CORRUPT(mp, isnullstartblock(got.br_startblock))) {  in xfs_bmap_collapse_extents()
5997 	if (XFS_IS_CORRUPT(mp, isnullstartblock(got.br_startblock))) {  in xfs_bmap_insert_extents()