Hi Mike,

finally I've managed to track down the lost TTT issue.

We're continuing to get responses from the target
even after we have send the TMF PDU (no surprise there).
However, the target considers all R2Ts send _before_
the tmf response is sent as valid, requiring us
to finish off the R2T sequence by sending a Data-Out
PDU even _after_ we have received the TMF response.

So I've implemented a (rather hackish) 'flush data out'
function, which flushes all outstanding Data out
PDUs for a given LUN. Using this things are much
better to the point that the 'dropped R2T' messages
disappeared.

I'll be sending the patchset for review.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                   zSeries & Storage
h...@suse.de                          +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)

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