Adding a slave_configure function for the driver. Now the disks can be
restarted by the scsi mid-layer when the are disconnected and reconnected.
Signed-off-by: "Robert Jennings" <rcj@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
Index: ibmvscsi-23509/drivers/scsi/ibmvscsi/ibmvscsi.c
===================================================================
--- ibmvscsi-23509.orig/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ ibmvscsi-23509/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1354,6 +1354,23 @@
return rc;
}
+/**
+ * ibmvscsi_slave_configure: For each slave device that is a disk,
+ * ensure that the "allow_restart" flag is enabled.
+ */
+static int ibmvscsi_slave_configure(struct scsi_device *sdev)
+{
+ struct Scsi_Host *shost = sdev->host;
+ int lock_flags = 0;
+
+ spin_lock_irqsave(shost->host_lock, lock_flags);
+ if (sdev->type == TYPE_DISK)
+ sdev->allow_restart = 1;
+ scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun);
+ spin_unlock_irqrestore(shost->host_lock, lock_flags);
+ return 0;
+}
+
/* ------------------------------------------------------------
* sysfs attributes
*/
@@ -1499,6 +1516,7 @@
.queuecommand = ibmvscsi_queuecommand,
.eh_abort_handler = ibmvscsi_eh_abort_handler,
.eh_device_reset_handler = ibmvscsi_eh_device_reset_handler,
+ .slave_configure = ibmvscsi_slave_configure,
.cmd_per_lun = 16,
.can_queue = IBMVSCSI_MAX_REQUESTS_DEFAULT,
.this_id = -1,
-
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