static bool bdrv_requests_pending(BlockDriverState *bs) { if (!QLIST_EMPTY(&bs->tracked_requests)) { return true; } if (!qemu_co_queue_empty(&bs->throttled_reqs[0])) { return true; } if (!qemu_co_queue_empty(&bs->throttled_reqs[1])) { return true; } if (bs->file && bdrv_requests_pending(bs->file)) { return true; } if (bs->backing_hd && bdrv_requests_pending(bs->backing_hd)) { return true; } return false; }