scsi: target: log Data-Out timeouts as errors

Data-Out timeouts resulting in connection outages should be logged as
errors. Include the I_T Nexus in the message to aid path identification.

Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/target/iscsi/iscsi_target_erl1.c

@@ -1169,15 +1169,21 @@ void iscsit_handle_dataout_timeout(struct timer_list *t)
 	na = iscsit_tpg_get_node_attrib(sess);
 
 	if (!sess->sess_ops->ErrorRecoveryLevel) {
-		pr_debug("Unable to recover from DataOut timeout while"
+		pr_err("Unable to recover from DataOut timeout while"
-			" in ERL=0.\n");
+			" in ERL=0, closing iSCSI connection for I_T Nexus"
+			" %s,i,0x%6phN,%s,t,0x%02x\n",
+			sess->sess_ops->InitiatorName, sess->isid,
+			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
 		goto failure;
 	}
 
 	if (++cmd->dataout_timeout_retries == na->dataout_timeout_retries) {
-		pr_debug("Command ITT: 0x%08x exceeded max retries"
+		pr_err("Command ITT: 0x%08x exceeded max retries"
-			" for DataOUT timeout %u, closing iSCSI connection.\n",
+			" for DataOUT timeout %u, closing iSCSI connection for"
-			cmd->init_task_tag, na->dataout_timeout_retries);
+			" I_T Nexus %s,i,0x%6phN,%s,t,0x%02x\n",
+			cmd->init_task_tag, na->dataout_timeout_retries,
+			sess->sess_ops->InitiatorName, sess->isid,
+			sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
 		goto failure;
 	}