583     BlockCopyTask *t = container_of(task, BlockCopyTask, task);  in block_copy_task_entry()  local
584     BlockCopyState *s = t->s;  in block_copy_task_entry()
586     BlockCopyMethod method = t->method;  in block_copy_task_entry()
590         ret = block_copy_do_copy(s, t->req.offset, t->req.bytes, &method,  in block_copy_task_entry()
595         if (s->method == t->method) {  in block_copy_task_entry()
600             if (!t->call_state->ret) {  in block_copy_task_entry()
601                 t->call_state->ret = ret;  in block_copy_task_entry()
602                 t->call_state->error_is_read = error_is_read;  in block_copy_task_entry()
605             progress_work_done(s->progress, t->req.bytes);  in block_copy_task_entry()
608     co_put_to_shres(s->mem, t->req.bytes);  in block_copy_task_entry()
609     block_copy_task_end(t, ret);  in block_copy_task_entry()
613             MIN(t->req.offset + t->req.bytes, s->len) - t->req.offset;  in block_copy_task_entry()
615             bdrv_co_pdiscard(s->source, t->req.offset, nbytes);  in block_copy_task_entry()