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Commit a0ea8622 authored by Stephen M. Cameron's avatar Stephen M. Cameron Committed by Jens Axboe
Browse files

cciss: simplify parameters to deregister_disk function 



Simplify parameters to deregister_disk function.

Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cca.cpqcorp.net>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 62c1fe9d

drivers/block/cciss.c

+9 −7
Original line number Diff line number Diff line
@@ -164,7 +164,7 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo); 


static int cciss_revalidate(struct gendisk *disk);

static int rebuild_lun_table(ctlr_info_t *h, int first_time);

static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,

static int deregister_disk(ctlr_info_t *h, int drv_index,

			   int clear_all);



static void cciss_read_capacity(int ctlr, int logvol, int withirq,
@@ -1479,8 +1479,7 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time) 
		 * which keeps the interrupt handler from starting

		 * the queue.

		 */

		ret = deregister_disk(h->gendisk[drv_index],

				      &h->drv[drv_index], 0);

		ret = deregister_disk(h, drv_index, 0);

		h->drv[drv_index].busy_configuring = 0;

	}
@@ -1698,8 +1697,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time) 
			spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);

			h->drv[i].busy_configuring = 1;

			spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);

			return_code = deregister_disk(h->gendisk[i],

				&h->drv[i], 1);

			return_code = deregister_disk(h, i, 1);

			h->drv[i].busy_configuring = 0;

		}

	}
@@ -1769,15 +1767,19 @@ mem_msg: 
 *             the highest_lun should be left unchanged and the LunID

 *             should not be cleared.

*/

static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,

static int deregister_disk(ctlr_info_t *h, int drv_index,

			   int clear_all)

{

	int i;

	ctlr_info_t *h = get_host(disk);

	struct gendisk *disk;

	drive_info_struct *drv;



	if (!capable(CAP_SYS_RAWIO))

		return -EPERM;



	drv = &h->drv[drv_index];

	disk = h->gendisk[drv_index];



	/* make sure logical volume is NOT is use */

	if (clear_all || (h->gendisk[0] == disk)) {

		if (drv->usage_count > 1)