Fix z_wr_iss_h zio_execute() import hang

[zfs.git] / module / zfs / zio.c

diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 62a9082..ccefaf8 100644 (file)
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -1309,12 +1309,14 @@ __zio_execute(zio_t *zio)
                /*
                 * If we executing in the context of the tx_sync_thread,
                 * or we are performing pool initialization outside of a
-                * zio_taskq[ZIO_TASKQ_ISSUE] context.  Then issue the zio
-                * async to minimize stack usage for these deep call paths.
+                * zio_taskq[ZIO_TASKQ_ISSUE|ZIO_TASKQ_ISSUE_HIGH] context.
+                * Then issue the zio asynchronously to minimize stack usage
+                * for these deep call paths.
                 */
                if ((dp && curthread == dp->dp_tx.tx_sync_thread) ||
                    (dp && spa_is_initializing(dp->dp_spa) &&
-                   !zio_taskq_member(zio, ZIO_TASKQ_ISSUE))) {
+                   !zio_taskq_member(zio, ZIO_TASKQ_ISSUE) &&
+                   !zio_taskq_member(zio, ZIO_TASKQ_ISSUE_HIGH))) {
                        zio_taskq_dispatch(zio, ZIO_TASKQ_ISSUE, cut);
                        return;
                }