1052 	struct extent_map *split_pre = NULL;  in btrfs_split_extent_map()  local
1060 	split_pre = btrfs_alloc_extent_map();  in btrfs_split_extent_map()
1061 	if (!split_pre)  in btrfs_split_extent_map()
1088 	split_pre->start = em->start;  in btrfs_split_extent_map()
1089 	split_pre->len = pre;  in btrfs_split_extent_map()
1090 	split_pre->disk_bytenr = new_logical;  in btrfs_split_extent_map()
1091 	split_pre->disk_num_bytes = split_pre->len;  in btrfs_split_extent_map()
1092 	split_pre->offset = 0;  in btrfs_split_extent_map()
1093 	split_pre->ram_bytes = split_pre->len;  in btrfs_split_extent_map()
1094 	split_pre->flags = flags;  in btrfs_split_extent_map()
1095 	split_pre->generation = em->generation;  in btrfs_split_extent_map()
1097 	replace_extent_mapping(inode, em, split_pre, true);  in btrfs_split_extent_map()
1125 	btrfs_free_extent_map(split_pre);  in btrfs_split_extent_map()