- /*
- * As we waited the extent range, the data_rsv_map must be empty
- * in the range, as written data range will be released from it.
- * And for prealloacted extent, it will also be released when
- * its metadata is written.
- * So this is completely used as cleanup.
- */
- btrfs_qgroup_free_data(inode, alloc_start, alloc_end - alloc_start);