551 	ASSERT(!isnullstartblock(bno));  in __xfs_bmap_add_free()
749 		if (isnullstartblock(rec.br_startblock))  in xfs_bmap_extents_to_btree()
1439 		 isnullstartblock(rec.br_startblock));  in xfs_bmap_isaeof()
1543 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_delay_real()
1558 	ASSERT(isnullstartblock(PREV.br_startblock));  in xfs_bmap_add_extent_delay_real()
1580 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_delay_real()
1598 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_delay_real()
2045 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_unwritten_real()
2078 		if (isnullstartblock(LEFT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2096 		if (isnullstartblock(RIGHT.br_startblock))  in xfs_bmap_add_extent_unwritten_real()
2507 	ASSERT(isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_delay()
2514 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2524 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_delay()
2652 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_real()
2662 		if (isnullstartblock(left.br_startblock))  in xfs_bmap_add_extent_hole_real()
2672 		if (isnullstartblock(right.br_startblock))  in xfs_bmap_add_extent_hole_real()
3057 	    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3086 		    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3127 		if (!isnullstartblock(ap->got.br_startblock)) {  in xfs_bmap_adjacent()
3659 		if (isnullstartblock(irec->br_startblock))  in xfs_trim_extent()
3702 		if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3712 	if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
4333 		} else if (isnullstartblock(bma.got.br_startblock)) {  in xfs_bmapi_write()
4780 	ASSERT(!isnullstartblock(got->br_startblock));  in xfs_bmap_del_extent_cow()
4872 	ASSERT(!isnullstartblock(got.br_startblock));  in xfs_bmap_del_extent_real()
5206 		wasdel = isnullstartblock(del.br_startblock);  in __xfs_bunmapi()
5327 				ASSERT(!isnullstartblock(prev.br_startblock));  in __xfs_bunmapi()
5657 	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),  in xfs_bmap_collapse_extents()
5784 	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),  in xfs_bmap_insert_extents()