rnbd-srv: remove rnbd_endio

Fold rnbd_endio into the only caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20220909131509.3263924-3-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/rnbd/rnbd-srv-dev.h

@@ -29,6 +29,4 @@ struct rnbd_dev *rnbd_dev_open(const char *path, fmode_t flags);
  */
 void rnbd_dev_close(struct rnbd_dev *dev);
 
-void rnbd_endio(void *priv, int error);
-
 #endif /* RNBD_SRV_DEV_H */

drivers/block/rnbd/rnbd-srv.c

@@ -85,18 +85,6 @@ static inline void rnbd_put_sess_dev(struct rnbd_srv_sess_dev *sess_dev)
 	kref_put(&sess_dev->kref, rnbd_sess_dev_release);
 }
 
-void rnbd_endio(void *priv, int error)
-{
-	struct rnbd_io_private *rnbd_priv = priv;
-	struct rnbd_srv_sess_dev *sess_dev = rnbd_priv->sess_dev;
-
-	rnbd_put_sess_dev(sess_dev);
-
-	rtrs_srv_resp_rdma(rnbd_priv->id, error);
-
-	kfree(priv);
-}
-
 static struct rnbd_srv_sess_dev *
 rnbd_get_sess_dev(int dev_id, struct rnbd_srv_session *srv_sess)
 {
@@ -117,7 +105,13 @@ rnbd_get_sess_dev(int dev_id, struct rnbd_srv_session *srv_sess)
 
 static void rnbd_dev_bi_end_io(struct bio *bio)
 {
-	rnbd_endio(bio->bi_private, blk_status_to_errno(bio->bi_status));
+	struct rnbd_io_private *rnbd_priv = bio->bi_private;
+	struct rnbd_srv_sess_dev *sess_dev = rnbd_priv->sess_dev;
+
+	rnbd_put_sess_dev(sess_dev);
+	rtrs_srv_resp_rdma(rnbd_priv->id, blk_status_to_errno(bio->bi_status));
+
+	kfree(rnbd_priv);
 	bio_put(bio);
 }