the recent implementation allows to send
iscsi->first_burst_length + iscsi->target_max_recv_data_segment_length
bytes if immediate and unsolicited data-out is send and
iscsi->target_max_recv_data_segment_length < iscsi->first_burst_length.
RFC3720 defines the length as:
Length=(min(FirstBurstLength, Expected Data
Transfer Length) - Received Immediate Data Length).
so that immediate data and unsolicited data-out are together
FirstBurstLength at maximum.
Signed-off-by: Peter Lieven <pl@kamp.de>