block: add internal hd part table references

We can't use krefs since it's apparently restricted to very basic
reference counting.

This reverts commit e4a683c8.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/block/genhd.c b/block/genhd.c
index 85c150598830..399d37ec7412 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1192,7 +1192,8 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
                         return NULL;
                 }
                 disk->part_tbl->part[0] = &disk->part0;
-                kref_init(&disk->part0.ref);
+
+                hd_ref_init(&disk->part0);
 
                 disk->minors = minors;
                 rand_initialize_disk(disk);