drbd: Call drbd_md_sync() explicitly after a state change on the connection

Without this, the meta-data gets updates after 5 seconds by the
md_sync_timer. Better to do it immeditaly after a state change.

If the asender detects a network failure, it may take a bit until
the worker processes the according after-conn-state-change work item.

  The worker might be blocked in sending something, i.e. it
  takes until it gets into its timeout. That is 6 seconds by
  default which is longer than the 5 seconds of the md_sync_timer.

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

1 files changed, 0 insertions, 16 deletions

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 363034a77e88..476491ffdabc 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -363,22 +363,6 @@ int drbd_khelper(struct drbd_conf *mdev, char *cmd)
         return ret;
 }
 
-static void conn_md_sync(struct drbd_tconn *tconn)
-{
-        struct drbd_conf *mdev;
-        int vnr;
-
-        rcu_read_lock();
-        idr_for_each_entry(&tconn->volumes, mdev, vnr) {
-                kref_get(&mdev->kref);
-                rcu_read_unlock();
-                drbd_md_sync(mdev);
-                kref_put(&mdev->kref, &drbd_minor_destroy);
-                rcu_read_lock();
-        }
-        rcu_read_unlock();
-}
-
 int conn_khelper(struct drbd_tconn *tconn, char *cmd)
 {
         char *envp[] = { "HOME=/",