[SCSI] aacraid: add sysfs report of RAID level

Report the RAID level string for the SCSI device representing the
array. Report is in /sys/class/scsi_device/#:#:#:#/device/level.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 43d6aff460d2..eee65c145cb8 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -690,7 +690,12 @@ static char *container_types[] = {
         "Unknown"
 };
 
-
+char * get_container_type(unsigned tindex)
+{
+        if (tindex >= ARRAY_SIZE(container_types))
+                tindex = ARRAY_SIZE(container_types) - 1;
+        return container_types[tindex];
+}
 
 /* Function: setinqstr
  *