bitmap_create returns bitmap pointer

This is done to have multiple bitmaps open at the same time.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index 4e9acb0..67c7f77 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -233,7 +233,7 @@
 /* the bitmap API */
 
 /* these are used only by md/bitmap */
-int  bitmap_create(struct mddev *mddev);
+struct bitmap *bitmap_create(struct mddev *mddev, int slot);
 int bitmap_load(struct mddev *mddev);
 void bitmap_flush(struct mddev *mddev);
 void bitmap_destroy(struct mddev *mddev);