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Håkan Johansson
4770aa0643
Updating vd->vdev_parent->vdev_nonrot in vdev_open_child() is a race when vdev_open_child is called for many children from a task queue. vdev_open_child() is only called by vdev_open_children(), let the latter update the parent vdev_nonrot member. The update was already there, so done twice previously. Thus using the same logic at the end in vdev_open_children() to update vdev_nonrot, either we are vdev_uses_zvols() or not. Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Haakan T Johansson <f96hajo@chalmers.se> Closes #5162