Alexander Motin c215ad3aa8 Move icl_pdu_get_data() and xpt_done() out of initiator's session lock.
During heavy reads data copying in icl_pdu_get_data() may consume large
percent of CPU time.  Moving it out of the lock significantly reduces
lock hold time and respectively lock congestion on read operations.

MFC after:	2 weeks
2014-11-22 09:05:54 +00:00
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