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mptsas : Use max_id to infinite value.

PATCH New Kashyap, Desai 1 participant 1 message Aug 5, 2009

Subsystems (2)
SCSI LSI Logic MPT fusion drivers (FC/SAS/SPI)
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Kashyap, Desai

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PATCH 5/7 mptsas : Use max_id to infinite value.

Do not set max_id value received from FW. Once SAS transport layer is introduced max_id value is missleading to SCSI mid layer. Use max_id to infinite value.

logic of can queue of scsi host is changed.
---

Signed-off-by Kashyap Desai <[email protected]>

---

drivers/message/fusion/mptsas.c +2 -3
index 936e35a..a63810c 100644
@@ -4761,10 +4761,9 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	/* set 16 byte cdb's */
 	sh->max_cmd_len = 16;
-
-	sh->max_id = ioc->pfacts[0].PortSCSIID;
+	sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
+	sh->max_id = -1;
 	sh->max_lun = max_lun;
-
 	sh->transportt = mptsas_transport_template;
 
 	/* Required entry.
drivers/message/fusion/mptscsih.c +4 -1
index 1466a5a..0e402eb 100644
@@ -2290,7 +2290,10 @@ mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
 		else
 			max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
 	} else
-		max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
+		 max_depth = ioc->sh->can_queue;
+
+	if (!sdev->tagged_supported)
+		max_depth = 1;
 
 	if (qdepth > max_depth)
 		qdepth = max_depth;