[SCSI] hpsa: update raid offload status on device rescan

When rescanning for logical drives, store information about whather
raid offload is enabled for each logical drive, and update the driver's
internal record of this.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e8489a964ea41784306fe57a8f7ec68b584cabcc..98af5c3ed6791b2ac813ddc496cb73ef14b4a8f9 100644 (file)
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -787,6 +787,11 @@ static void hpsa_scsi_update_entry(struct ctlr_info *h, int hostno,
 
        /* Raid level changed. */
        h->dev[entry]->raid_level = new_entry->raid_level;
+
+       /* Raid offload parameters changed. */
+       h->dev[entry]->offload_config = new_entry->offload_config;
+       h->dev[entry]->offload_enabled = new_entry->offload_enabled;
+
        dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d updated.\n",
                scsi_device_type(new_entry->devtype), hostno, new_entry->bus,
                new_entry->target, new_entry->lun);
@@ -907,6 +912,10 @@ static inline int device_updated(struct hpsa_scsi_dev_t *dev1,
         */
        if (dev1->raid_level != dev2->raid_level)
                return 1;
+       if (dev1->offload_config != dev2->offload_config)
+               return 1;
+       if (dev1->offload_enabled != dev2->offload_enabled)
+               return 1;
        return 0;
 }