cciss: Rearrange logical drive sysfs code to make the "changing a disk" path work.

Rearrange logical drive sysfs code to make the "changing a disk" path work.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 30b328aefe7..2810dd9805a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1916,9 +1916,10 @@ static int cciss_add_gendisk(ctlr_info_t *h, __u32 lunid, int controller_node)
                 }
         }
         h->drv[drv_index].LunID = lunid;
-        if (cciss_create_ld_sysfs_entry(h, drv_index))
-                goto err_free_disk;
-
+        if (h->drv[drv_index].dev == NULL) {
+                if (cciss_create_ld_sysfs_entry(h, drv_index))
+                        goto err_free_disk;
+        }
         /* Don't need to mark this busy because nobody */
         /* else knows about this disk yet to contend */
         /* for access to it. */
@@ -2145,8 +2146,10 @@ static int deregister_disk(ctlr_info_t *h, int drv_index,
          */
         if (h->gendisk[0] != disk) {
                 struct request_queue *q = disk->queue;
-                if (disk->flags & GENHD_FL_UP)
+                if (disk->flags & GENHD_FL_UP) {
+                        cciss_destroy_ld_sysfs_entry(h, drv_index);
                         del_gendisk(disk);
+                }
                 if (q) {
                         blk_cleanup_queue(q);
                         /* Set drv->queue to NULL so that we do not try
@@ -2190,7 +2193,6 @@ static int deregister_disk(ctlr_info_t *h, int drv_index,
                                  * indicate that this element of the drive
                                  * array is free.
                                  */
-        cciss_destroy_ld_sysfs_entry(h, drv_index);
 
         if (clear_all) {
                 /* check to see if it was the last disk */
@@ -4308,15 +4310,13 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
                 if (disk) {
                         struct request_queue *q = disk->queue;
 
-                        if (disk->flags & GENHD_FL_UP)
+                        if (disk->flags & GENHD_FL_UP) {
+                                cciss_destroy_ld_sysfs_entry(hba[i], j);
                                 del_gendisk(disk);
+                        }
                         if (q)
                                 blk_cleanup_queue(q);
                 }
-                if (hba[i]->drv[j].dev != NULL &&
-                        (j == 0 || hba[i]->drv[j].raid_level != -1))
-                                cciss_destroy_ld_sysfs_entry(hba[i], j);
-
         }
 
 #ifdef CONFIG_CISS_SCSI_TAPE