546 	ASSERT(!isnullstartblock(bno));  in __xfs_bmap_add_free()
746 		if (isnullstartblock(rec.br_startblock))  in xfs_bmap_extents_to_btree()
1452 		 isnullstartblock(rec.br_startblock));  in xfs_bmap_isaeof()
1556 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_delay_real()
1571 	ASSERT(isnullstartblock(PREV.br_startblock));  in xfs_bmap_add_extent_delay_real()
1593 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_delay_real()
1611 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_delay_real()
2061 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_unwritten_real()
2094 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2112 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2521 	ASSERT(isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_delay()
2528 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2538 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2667 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_real()
2677 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_real()
2687 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_real()
3069 	    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3098 		    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3139 		if (!isnullstartblock(ap->got.br_startblock)) {  in xfs_bmap_adjacent()
3675 		if (isnullstartblock(irec->br_startblock))  in xfs_trim_extent()
3707 		if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3717 	if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
4359 		} else if (isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_write()
4497 	if (!isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_convert_delalloc()
4530 	ASSERT(!isnullstartblock(bma.got.br_startblock));  in xfs_bmapi_convert_delalloc()
4875 	ASSERT(!isnullstartblock(got->br_startblock));  in xfs_bmap_del_extent_cow()
4967 	ASSERT(!isnullstartblock(got.br_startblock));  in xfs_bmap_del_extent_real()
5297 		wasdel = isnullstartblock(del.br_startblock);  in __xfs_bunmapi()
5416 				ASSERT(!isnullstartblock(prev.br_startblock));  in __xfs_bunmapi()
5736 	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),  in xfs_bmap_collapse_extents()
5863 	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),  in xfs_bmap_insert_extents()