Steven Hartland 481b36c66a Close iSCSI sessions on shutdown
Ensure that all iSCSI sessions are correctly terminated during shutdown.

* Enhances the changes done by r286226 (D3052).
* Add shutdown post sync event to run after filesystem shutdown
  (SHUTDOWN_PRI_FIRST) but before CAM shutdown (SHUTDOWN_PRI_DEFAULT).
* Changes iscsi_maintenance_thread to processes terminate in preference to
  reconnect.

Reviewed by:	trasz
MFC after:	2 weeks
Sponsored by:	Multiplay
Differential Revision:	https://reviews.freebsd.org/D4429
2016-01-11 10:24:30 +00:00
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2016-01-11 10:24:30 +00:00
2016-01-11 10:24:30 +00:00