From 81456807a33c2122e2f1f92acfbaaa77b3d06c3c Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Tue, 25 Jul 2006 14:05:09 -0500
Subject: [PATCH] [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>
---
 fs/dlm/lock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index eaad28e51ec9..7d38f914c5b9 100644
--- 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);
 }