Andriy Gapon 81c4584e30 zfs: allow a zvol to be used as a pool vdev, again ... Do this by checking if spa_namespace_lock is already held and not taking it again in that case. Add a comment explaining why that is done and why it is safe. Reviewed by: pjd MFC after: 24 days		2012-09-22 17:42:53 +00:00
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opensolaris	zfs: allow a zvol to be used as a pool vdev, again	2012-09-22 17:42:53 +00:00