drbd_khelper
extern int drbd_khelper(struct drbd_device *device, char *cmd);
drbd_khelper(device, "pri-lost-after-sb");
drbd_khelper(device, "pri-lost-after-sb");
drbd_khelper(device, "initial-split-brain");
drbd_khelper(device, "split-brain");
drbd_khelper(device, "pri-lost");
drbd_khelper(device, "pri-on-incon-degr");
drbd_khelper(device, "local-io-error");
drbd_khelper(device, khelper_cmd);
r = drbd_khelper(device, "before-resync-target");
r = drbd_khelper(device, "before-resync-source");