drbd: Use consistent names for all the bi_end_io callbacks

Now they follow the _endio naming sheme.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 50776b3..6e01e62 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -43,10 +43,10 @@
 static int make_resync_request(struct drbd_device *, int);
 
 /* endio handlers:
- *   drbd_md_io_complete (defined here)
+ *   drbd_md_endio (defined here)
  *   drbd_request_endio (defined here)
  *   drbd_peer_request_endio (defined here)
- *   bm_async_io_complete (defined in drbd_bitmap.c)
+ *   drbd_bm_endio (defined in drbd_bitmap.c)
  *
  * For all these callbacks, note the following:
  * The callbacks will be called in irq context by the IDE drivers,
@@ -65,7 +65,7 @@
 /* used for synchronous meta data and bitmap IO
  * submitted by drbd_md_sync_page_io()
  */
-void drbd_md_io_complete(struct bio *bio, int error)
+void drbd_md_endio(struct bio *bio, int error)
 {
 	struct drbd_device *device;