+
+ /*
+ * Measure the txg sync time determine the amount of I/O done.
+ */
+ th = dsl_pool_txg_history_get(dp, txg);
+ vdev_get_stats(spa->spa_root_vdev, &th->th_vs2);
+ th->th_kstat.sync_time = gethrtime() - hrstart;
+ th->th_kstat.nread = th->th_vs2.vs_bytes[ZIO_TYPE_READ] -
+ th->th_vs1.vs_bytes[ZIO_TYPE_READ];
+ th->th_kstat.nwritten = th->th_vs2.vs_bytes[ZIO_TYPE_WRITE] -
+ th->th_vs1.vs_bytes[ZIO_TYPE_WRITE];
+ th->th_kstat.reads = th->th_vs2.vs_ops[ZIO_TYPE_READ] -
+ th->th_vs1.vs_ops[ZIO_TYPE_READ];
+ th->th_kstat.writes = th->th_vs2.vs_ops[ZIO_TYPE_WRITE] -
+ th->th_vs1.vs_ops[ZIO_TYPE_WRITE];
+ th->th_kstat.state = TXG_STATE_COMMITTED;
+ dsl_pool_txg_history_put(th);