--- linux-2.6.5-7.109.5orig/drivers/scsi/ibmvscsi/ibmvscsi.c	2004-10-22 08:44:04.000000000 -0500
+++ linux-2.6.5-7.109.5/drivers/scsi/ibmvscsi/ibmvscsi.c	2004-11-03 07:23:30.000000000 -0600
@@ -84,8 +84,9 @@
 static int max_channel = 3;
 static int init_timeout = 5;
 static int max_requests = 50;
+static int max_sectors = 32 * 8; /* default max I/O 32 pages */
 
-#define IBMVSCSI_VERSION "1.3.2"
+#define IBMVSCSI_VERSION "1.3.3"
 
 MODULE_DESCRIPTION("IBM Virtual SCSI");
 MODULE_AUTHOR("Dave Boutcher");
@@ -100,6 +101,8 @@
 MODULE_PARM_DESC(init_timeout, "Initialization timeout in seconds");
 module_param_named(max_requests, max_requests, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(max_requests, "Maximum requests for this adapter");
+module_param_named(max_sectors, max_sectors, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(max_sectors, "Maximum sectors per request for this adapter");
 
 /* ------------------------------------------------------------
  * Routines for the event pool and event structs
@@ -690,11 +693,16 @@
 		       evt_struct->evt->mad.adapter_info.common.status);
 	} else {
 		printk("ibmvscsi: host srp version: %s, "
-		       "host partition %s (%d), OS %d\n",
+		       "host partition %s (%d), OS %d, max io %u\n",
 		       hostdata->madapter_info.srp_version,
 		       hostdata->madapter_info.partition_name,
 		       hostdata->madapter_info.partition_number,
-		       hostdata->madapter_info.os_type);
+		       hostdata->madapter_info.os_type,
+		       hostdata->madapter_info.port_max_txu[0]);
+
+		if (hostdata->madapter_info.port_max_txu[0]) 
+		    hostdata->host->max_sectors = 
+			hostdata->madapter_info.port_max_txu[0] >> 9;
 	}
 }
 
@@ -1319,6 +1327,7 @@
 	hostdata->host = host;
 	hostdata->dev = dev;
 	atomic_set(&hostdata->request_limit, -1);
+	hostdata->host->max_sectors = max_sectors; 
 
 	if (ibmvscsi_init_crq_queue(&hostdata->queue, hostdata,
 				    max_requests) != 0) {