drbd: Fix postponed requests
* Postponed requests should not set or clear out-of-sync marks
* When a request gets postponed we need to drop its reference
mdev->local_cnt (put_ldev()).
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 5ddb01e..57cbef2 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -123,11 +123,13 @@
* (local only or remote failed).
* Other places where we set out-of-sync:
* READ with local io-error */
- if (!(s & RQ_NET_OK) || !(s & RQ_LOCAL_OK))
- drbd_set_out_of_sync(mdev, req->i.sector, req->i.size);
+ if (!(s & RQ_POSTPONED)) {
+ if (!(s & RQ_NET_OK) || !(s & RQ_LOCAL_OK))
+ drbd_set_out_of_sync(mdev, req->i.sector, req->i.size);
- if ((s & RQ_NET_OK) && (s & RQ_LOCAL_OK) && (s & RQ_NET_SIS))
- drbd_set_in_sync(mdev, req->i.sector, req->i.size);
+ if ((s & RQ_NET_OK) && (s & RQ_LOCAL_OK) && (s & RQ_NET_SIS))
+ drbd_set_in_sync(mdev, req->i.sector, req->i.size);
+ }
/* one might be tempted to move the drbd_al_complete_io
* to the local io completion callback drbd_request_endio.
@@ -1046,6 +1048,7 @@
if (req->private_bio) {
bio_put(req->private_bio);
req->private_bio = NULL;
+ put_ldev(mdev);
}
goto out;
}