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b3e5fe1688
This patch changes ft_queue_data_in() to set SAM_STAT_TASK_SET_FULL status upon a lport->tt.seq_send() failure, where it will now stop sending subsequent DataIN, and immediately attempt to send the response with exception status. Sending a response with SAM_STAT_TASK_SET_FULL status is useful in order to signal the initiator that it should try to reduce it's current queue_depth, to lower the number of outstanding I/Os on the wire. Also, add a check to skip sending DataIN if TASK_SET_FULL status has already been set due to a response lport->tt.seq_send() failure, that has asked target-core to requeue a response. Reported-by: Vasu Dev <vasu.dev@linux.intel.com> Reviewed-by: Vasu Dev <vasu.dev@linux.intel.com> Cc: Jun Wu <jwu@stormojo.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>