2471 	struct btrfs_file_extent_item *extent;  in record_one_backref()  local
2543 		extent = btrfs_item_ptr(leaf, slot,  in record_one_backref()
2546 		if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr)  in record_one_backref()
2557 		extent_offset = btrfs_file_extent_offset(leaf, extent);  in record_one_backref()
2558 		num_bytes = btrfs_file_extent_num_bytes(leaf, extent);  in record_one_backref()
2578 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2645 	struct btrfs_file_extent_item *extent;  in relink_extent_backref()  local
2734 	extent = btrfs_item_ptr(path->nodes[0], path->slots[0],  in relink_extent_backref()
2737 	if (btrfs_file_extent_generation(path->nodes[0], extent) !=  in relink_extent_backref()
2796 					sizeof(*extent));  in relink_extent_backref()
2944 		struct btrfs_file_extent_item *extent;  in record_old_file_extents()  local
2974 		extent = btrfs_item_ptr(l, slot, struct btrfs_file_extent_item);  in record_old_file_extents()
2976 		num_bytes = btrfs_file_extent_num_bytes(l, extent);  in record_old_file_extents()
2980 		disk_bytenr = btrfs_file_extent_disk_bytenr(l, extent);  in record_old_file_extents()
2984 		extent_offset = btrfs_file_extent_offset(l, extent);  in record_old_file_extents()