975 	struct extent_map *split_mid = NULL;  in split_extent_map()  local
985 	split_mid = alloc_extent_map();  in split_extent_map()
986 	if (!split_mid) {  in split_extent_map()
1029 	split_mid->start = em->start + pre;  in split_extent_map()
1030 	split_mid->len = em->len - pre;  in split_extent_map()
1031 	split_mid->orig_start = split_mid->start;  in split_extent_map()
1032 	split_mid->block_start = em->block_start + pre;  in split_extent_map()
1033 	split_mid->block_len = split_mid->len;  in split_extent_map()
1034 	split_mid->orig_block_len = split_mid->block_len;  in split_extent_map()
1035 	split_mid->ram_bytes = split_mid->len;  in split_extent_map()
1036 	split_mid->flags = flags;  in split_extent_map()
1037 	split_mid->compress_type = em->compress_type;  in split_extent_map()
1038 	split_mid->generation = em->generation;  in split_extent_map()
1039 	add_extent_mapping(em_tree, split_mid, 1);  in split_extent_map()
1049 	free_extent_map(split_mid);  in split_extent_map()