X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fvdev_queue.c;h=04ef63eb90c86c1e6c39bf9e3d89b72d812c6637;hb=5e6121455c0b941f4612ceb2c1f312d527534b46;hp=5a0d3ee97029d7f4016cadadf0fa3c446bb5ccb8;hpb=428870ff734fdaccc342b33fc53cf94724409a46;p=zfs.git

diff --git a/module/zfs/vdev_queue.c b/module/zfs/vdev_queue.c
index 5a0d3ee..04ef63e 100644
--- a/module/zfs/vdev_queue.c
+++ b/module/zfs/vdev_queue.c
@@ -383,12 +383,13 @@ void
 vdev_queue_io_done(zio_t *zio)
 {
 	vdev_queue_t *vq = &zio->io_vd->vdev_queue;
+	int i;
 
 	mutex_enter(&vq->vq_lock);
 
 	avl_remove(&vq->vq_pending_tree, zio);
 
-	for (int i = 0; i < zfs_vdev_ramp_rate; i++) {
+	for (i = 0; i < zfs_vdev_ramp_rate; i++) {
 		zio_t *nio = vdev_queue_io_to_issue(vq, zfs_vdev_max_pending);
 		if (nio == NULL)
 			break;
@@ -404,3 +405,14 @@ vdev_queue_io_done(zio_t *zio)
 
 	mutex_exit(&vq->vq_lock);
 }
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+module_param(zfs_vdev_max_pending, int, 0644);
+MODULE_PARM_DESC(zfs_vdev_max_pending, "Maximum pending VDEV IO");
+
+module_param(zfs_vdev_min_pending, int, 0644);
+MODULE_PARM_DESC(zfs_vdev_min_pending, "Minimum pending VDEV IO");
+
+module_param(zfs_vdev_aggregation_limit, int, 0644);
+MODULE_PARM_DESC(zfs_vdev_aggregation_limit, "Maximum VDEV IO aggregation");
+#endif