+static void file_write_post_select_btr(__a_unused struct sched *s,
+ struct task *t)
+{
+ struct writer_node *wn = container_of(t, struct writer_node, task);
+ struct private_file_write_data *pfwd = wn->private_data;
+ struct btr_node *btrn = wn->btrn;
+ int ret;
+ char *buf;
+ size_t bytes;
+
+ t->error = 0;
+ ret = btr_node_status(btrn, wn->min_iqs, BTR_NT_LEAF);
+ if (ret == 0)
+ return;
+ if (ret < 0)
+ goto err;
+ if (!pfwd->check_fd)
+ return;
+ if (!FD_ISSET(pfwd->fd, &s->wfds))
+ return;
+ bytes = btr_next_buffer(btrn, &buf);
+ assert(bytes > 0);
+ //PARA_INFO_LOG("writing %zu\n", bytes);
+ ret = write(pfwd->fd, buf, bytes);
+ if (ret < 0)
+ goto err;
+ btr_consume(btrn, ret);
+ return;
+err:
+ assert(ret < 0);
+ t->error = ret;
+}
+