hpsa: remove unused fields from struct ctlr_info

The fields "major", "max_outstanding", and "usage_count"
of struct ctlr_info were not used for anything.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Mike Miller <michael.miller@canonical.com>
Reviewed-by: Webb Scales <webb.scales@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/hpsa.c

@@ -5488,8 +5488,6 @@ static void start_io(struct ctlr_info *h)
 		 * condition.
 		 */
 		h->commands_outstanding++;
-		if (h->commands_outstanding > h->max_outstanding)
-			h->max_outstanding = h->commands_outstanding;
 
 		/* Tell the controller execute command */
 		spin_unlock_irqrestore(&h->lock, flags);

drivers/scsi/hpsa.h

@@ -116,11 +116,8 @@ struct ctlr_info {
 	int 	nr_cmds; /* Number of commands allowed on this controller */
 	struct CfgTable __iomem *cfgtable;
 	int	interrupts_enabled;
-	int	major;
 	int 	max_commands;
 	int	commands_outstanding;
-	int 	max_outstanding; /* Debug */
-	int	usage_count;  /* number of opens all all minor devices */
 #	define PERF_MODE_INT	0
 #	define DOORBELL_INT	1
 #	define SIMPLE_MODE_INT	2