[PATCH] cciss: remove unused revalidate_allvol function

Remove the no longer used revalidate_allvol function.  It was replaced by
rebuild_lun_table.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 73 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index c8343051be9e..70cf9321ef54 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -141,7 +141,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
                        unsigned int cmd, unsigned long arg);
 static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
-static int revalidate_allvol(ctlr_info_t *host);
 static int cciss_revalidate(struct gendisk *disk);
 static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk);
 static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
@@ -857,9 +856,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
                 }
 
         case CCISS_REVALIDVOLS:
-                if (bdev != bdev->bd_contains || drv != host->drv)
-                        return -ENXIO;
-                return revalidate_allvol(host);
+                return rebuild_lun_table(host, NULL);
 
         case CCISS_GETLUNINFO:{
                         LogvolInfo_struct luninfo;
@@ -1159,75 +1156,6 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
         }
 }
 
-/*
- * revalidate_allvol is for online array config utilities.  After a
- * utility reconfigures the drives in the array, it can use this function
- * (through an ioctl) to make the driver zap any previous disk structs for
- * that controller and get new ones.
- *
- * Right now I'm using the getgeometry() function to do this, but this
- * function should probably be finer grained and allow you to revalidate one
- * particular logical volume (instead of all of them on a particular
- * controller).
- */
-static int revalidate_allvol(ctlr_info_t *host)
-{
-        int ctlr = host->ctlr, i;
-        unsigned long flags;
-
-        spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
-        if (host->usage_count > 1) {
-                spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
-                printk(KERN_WARNING "cciss: Device busy for volume"
-                       " revalidation (usage=%d)\n", host->usage_count);
-                return -EBUSY;
-        }
-        host->usage_count++;
-        spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
-
-        for (i = 0; i < NWD; i++) {
-                struct gendisk *disk = host->gendisk[i];
-                if (disk) {
-                        request_queue_t *q = disk->queue;
-
-                        if (disk->flags & GENHD_FL_UP)
-                                del_gendisk(disk);
-                        if (q)
-                                blk_cleanup_queue(q);
-                }
-        }
-
-        /*
-         * Set the partition and block size structures for all volumes
-         * on this controller to zero.  We will reread all of this data
-         */
-        memset(host->drv, 0, sizeof(drive_info_struct)
-               * CISS_MAX_LUN);
-        /*
-         * Tell the array controller not to give us any interrupts while
-         * we check the new geometry.  Then turn interrupts back on when
-         * we're done.
-         */
-        host->access.set_intr_mask(host, CCISS_INTR_OFF);
-        cciss_getgeometry(ctlr);
-        host->access.set_intr_mask(host, CCISS_INTR_ON);
-
-        /* Loop through each real device */
-        for (i = 0; i < NWD; i++) {
-                struct gendisk *disk = host->gendisk[i];
-                drive_info_struct *drv = &(host->drv[i]);
-                /* we must register the controller even if no disks exist */
-                /* this is for the online array utilities */
-                if (!drv->heads && i)
-                        continue;
-                blk_queue_hardsect_size(drv->queue, drv->block_size);
-                set_capacity(disk, drv->nr_blocks);
-                add_disk(disk);
-        }
-        host->usage_count--;
-        return 0;
-}
-
 static inline void complete_buffers(struct bio *bio, int status)
 {
         while (bio) {