drbd: __drbd_make_request() is now void

The previous commit causes __drbd_make_request() to always return 0.
Change it to void.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

3 files changed, 9 insertions, 11 deletions

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 309c121557ae..8536fabbf984 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1403,7 +1403,7 @@ extern void conn_free_crypto(struct drbd_tconn *tconn);
 extern int proc_details;
 
 /* drbd_req */
-extern int __drbd_make_request(struct drbd_conf *, struct bio *, unsigned long);
+extern void __drbd_make_request(struct drbd_conf *, struct bio *, unsigned long);
 extern int drbd_make_request(struct request_queue *q, struct bio *bio);
 extern int drbd_read_remote(struct drbd_conf *mdev, struct drbd_request *req);
 extern int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct bio_vec *bvec);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8c6c48e363cd..bedfeeccd513 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2236,9 +2236,8 @@ static void do_retry(struct work_struct *ws)
 
                 /* We are not just doing generic_make_request(),
                  * as we want to keep the start_time information. */
-                do {
-                        inc_ap_bio(mdev);
-                } while(__drbd_make_request(mdev, bio, start_time));
+                inc_ap_bio(mdev);
+                __drbd_make_request(mdev, bio, start_time);
         }
 }
 
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index d2d61af034ec..6bac415358d7 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -945,7 +945,7 @@ drbd_submit_req_private_bio(struct drbd_request *req)
                 bio_endio(bio, -EIO);
 }
 
-int __drbd_make_request(struct drbd_conf *mdev, struct bio *bio, unsigned long start_time)
+void __drbd_make_request(struct drbd_conf *mdev, struct bio *bio, unsigned long start_time)
 {
         const int rw = bio_rw(bio);
         struct bio_and_error m = { NULL, };
@@ -960,7 +960,7 @@ int __drbd_make_request(struct drbd_conf *mdev, struct bio *bio, unsigned long s
                  * if user cannot handle io errors, that's not our business. */
                 dev_err(DEV, "could not kmalloc() req\n");
                 bio_endio(bio, -ENOMEM);
-                return 0;
+                return;
         }
         req->start_time = start_time;
 
@@ -1039,7 +1039,7 @@ int __drbd_make_request(struct drbd_conf *mdev, struct bio *bio, unsigned long s
                 drbd_submit_req_private_bio(req);
                 /* once we have submitted, we must no longer look at req,
                  * it may already be destroyed. */
-                return 0;
+                return;
         } else if (no_remote) {
 nodata:
                 if (__ratelimit(&drbd_ratelimit_state))
@@ -1054,7 +1054,7 @@ out:
 
         if (m.bio)
                 complete_master_bio(mdev, &m);
-        return 0;
+        return;
 }
 
 int drbd_make_request(struct request_queue *q, struct bio *bio)
@@ -1070,9 +1070,8 @@ int drbd_make_request(struct request_queue *q, struct bio *bio)
         D_ASSERT(bio->bi_size > 0);
         D_ASSERT(IS_ALIGNED(bio->bi_size, 512));
 
-        do {
-                inc_ap_bio(mdev);
-        } while (__drbd_make_request(mdev, bio, start_time));
+        inc_ap_bio(mdev);
+        __drbd_make_request(mdev, bio, start_time);
 
         return 0;
 }