[DLM] schedule during long loop through locks

The loop through all waiting locks in recover_waiters can potentially be
long, so we should schedule explicitly.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index eaad28e..7d38f91 100644 (file)
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -3193,6 +3193,7 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
                        log_error(ls, "invalid lkb wait_type %d",
                                  lkb->lkb_wait_type);
                }
+               schedule();
        }
        mutex_unlock(&ls->ls_waiters_mutex);
 }