974 	struct extent_map *split_pre = NULL;  in split_extent_map()  local
982 	split_pre = alloc_extent_map();  in split_extent_map()
983 	if (!split_pre)  in split_extent_map()
1010 	split_pre->start = em->start;  in split_extent_map()
1011 	split_pre->len = pre;  in split_extent_map()
1012 	split_pre->orig_start = split_pre->start;  in split_extent_map()
1013 	split_pre->block_start = new_logical;  in split_extent_map()
1014 	split_pre->block_len = split_pre->len;  in split_extent_map()
1015 	split_pre->orig_block_len = split_pre->block_len;  in split_extent_map()
1016 	split_pre->ram_bytes = split_pre->len;  in split_extent_map()
1017 	split_pre->flags = flags;  in split_extent_map()
1018 	split_pre->compress_type = em->compress_type;  in split_extent_map()
1019 	split_pre->generation = em->generation;  in split_extent_map()
1021 	replace_extent_mapping(em_tree, em, split_pre, 1);  in split_extent_map()
1051 	free_extent_map(split_pre);  in split_extent_map()