Re: cciss update [2/2] fixes for Steeleye Lifekeeper

[James Bottomley <James.Bottomley@SteelEye.com>]

On Thu, 2004-10-14 at 13:39, Christoph Hellwig wrote:
> Such a volume has been configured and set up, and although it's still
> ugly I'd say it's okay.  But the patch also adds one gendisk per controller
> even if no volume is set up.

That's this bit of code:

@@ -2762,7 +2810,9 @@ static int __devinit cciss_init_one(stru
                disk->fops = &cciss_fops;
                disk->queue = hba[i]->queue;
                disk->private_data = drv;
-               if( !(drv->nr_blocks))
+               /* we must register the controller even if no disks
exist */
+               /* this is for the online array utilities */
+               if(!drv->heads && j)
                        continue;
                blk_queue_hardsect_size(hba[i]->queue, drv->block_size);
                set_capacity(disk, drv->nr_blocks);

Mike, is there a way we can only allocate a gendisk when we know there's
actually a device there (if owned by another controller currently)?

James