Alexander Motin ffe82e05b3 Make iSCSI initiator keep Initiator Session ID (ISID) across reconnects.
Previously ISID was changed every time, that made impossible correct
persistent reservation, because reconnected session was identified as
completely new one.

Reviewed by:	trasz
MFC after:	1 week
2014-07-06 17:37:49 +00:00
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