drbd: mod_req has now a return value

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

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 4a30e2cae56d..d9df1a1c40b9 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -382,10 +382,11 @@ out_conflict:
  *  and it enforces that we have to think in a very structured manner
  *  about the "events" that may happen to a request during its life time ...
  */
-void __req_mod(struct drbd_request *req, enum drbd_req_event what,
+int __req_mod(struct drbd_request *req, enum drbd_req_event what,
                 struct bio_and_error *m)
 {
         struct drbd_conf *mdev = req->mdev;
+        int rv = 0;
         m->bio = NULL;
 
         switch (what) {
@@ -657,6 +658,8 @@ void __req_mod(struct drbd_request *req, enum drbd_req_event what,
                 _req_may_be_done(req, m);
                 break;
         };
+
+        return rv;
 }
 
 /* we may do a local read if: