Alexander Motin aa8676f25d Revert minor part of r344934. ... I tried to save some CPU time on hopeless aggregation attempts, but it seems the condition I added is overly strict, blocking also aggregation of optional I/Os in cases which previously were possible. Revert just to be safe. MFC after: 1 month		2019-03-11 17:39:09 +00:00
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opensolaris	Revert minor part of r344934.	2019-03-11 17:39:09 +00:00