func: void block_job_resume_all(void)
  
  {
  
      BlockJob *job = NULL;
  
      while ((job = block_job_next(job))) {
  
          AioContext *aio_context = blk_get_aio_context(job->blk);
  
  
  
          aio_context_acquire(aio_context);
  
          block_job_resume(job);
  
          aio_context_release(aio_context);
  
      }
  
  }
  