Make blockstore list operation return consistent snapshots

2020-03-14 02:10:25 +03:00
parent 6982fe1255
commit 46f9bd2a69
5 changed files with 35 additions and 3 deletions
@@ -276,6 +276,7 @@ int blockstore_impl_t::dequeue_write(blockstore_op_t *op)
            PRIV(op)->op_state = 3;
        }
    }
+    inflight_writes++;
    return 1;
 }

@@ -357,6 +358,7 @@ resume_4:
            dirty_it++;
        }
    }
+    inflight_writes--;
    // Acknowledge write
    op->retval = op->len;
    FINISH_OP(op);
@@ -368,6 +370,7 @@ void blockstore_impl_t::handle_write_event(ring_data_t *data, blockstore_op_t *o
    live = true;
    if (data->res != data->iov.iov_len)
    {
+        inflight_writes--;
        // FIXME: our state becomes corrupted after a write error. maybe do something better than just die
        throw std::runtime_error(
            "write operation failed ("+std::to_string(data->res)+" != "+std::to_string(data->iov.iov_len)+