[PATCH 08/12] hpsa: update queue depth for externals

[Don Brace]

- preserve external device queue depth during a
  scan operation.

Reviewed-by: Scott Benesh <scott.ben...@microsemi.com>
Reviewed-by: Scott Teel <scott.t...@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barn...@microsemi.com>
Signed-off-by: Don Brace <don.br...@microsemi.com>
---
 drivers/scsi/hpsa.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 6a998b0..27a1aca 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -1765,8 +1765,12 @@ static void hpsa_figure_phys_disk_ptrs(struct ctlr_info 
*h,
                 * way too high for partial stripe writes
                 */
                logical_drive->queue_depth = qdepth;
-       else
-               logical_drive->queue_depth = h->nr_cmds;
+       else {
+               if (logical_drive->external)
+                       logical_drive->queue_depth = EXTERNAL_QD;
+               else
+                       logical_drive->queue_depth = h->nr_cmds;
+       }
 }
 
 static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,