(gdb) p (*(QEDAIOCB *)*(CachedL2Table *)(*(BDRVQEDState*)(*(BlockDriverState*)bdrv_states->tqh_first->list->tqe_next->list->tqe_next)->opaque)->allocating_write_reqs->sqh_first)
$173 = {common = {pool = 0x7ffff7ceb4bc, bs = 0xa0, cb = 0x7fefa567f010, opaque = 0x0, next = 0x7ffff7f51713}, bh = 0x2, bh_ret = 0, next = {sqe_next = 0x7ffff7f5184d}, is_write = 24, finished = 0x3,
  end_pos = 0, qiov = 0x7ffff7f5186a, qiov_offset = 140737353422629, cur_qiov = {iov = 0x3, niov = 0, nalloc = 0, size = 140737353422984}, cur_pos = 140737353422641, cur_cluster = 2, cur_nclusters =
    65536, find_cluster_ret = 0, request = {l2_table = 0x7ffff7f518a7}}
(gdb)