1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index 11ee83504b38..dec27a961120 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -35,7 +35,13 @@ typedef struct _drive_info_struct
         int     heads;
         int     sectors;
         int     cylinders;
-        int     raid_level;
+        int     raid_level; /* set to -1 to indicate that
+                             * the drive is not in use/configured
+                            */
+        int     busy_configuring; /*This is set when the drive is being removed
+                                   *to prevent it from being opened or it's queue
+                                   *from being started.
+                                  */
 } drive_info_struct;
 
 struct ctlr_info