marius
6047aaa480
The workaround added in r151650 for handling firmwares that don't allow ...
a single device to be opened multiple times concurrently unfortunately
isn't sufficient with ZFS. This is due to the fact, that ZFS may open
different partitions of a single device simultaneously. So the best we
can do in this case is to cache the lastly used device path and close
and open devices in ofwd_strategy() as needed.
PR: 165025
Submitted by: Gavin Mu
MFC after: 1 week
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6047aaa480