From a7f90d83ea8dc8b0999ab7c1c0539af9a6ed69d2 Mon Sep 17 00:00:00 2001 From: Kurt Hackel Date: Thu, 27 Apr 2006 19:24:21 -0700 Subject: ocfs2: dump lockres info before we BUG() on a bad reference Signed-off-by: Kurt Hackel Signed-off-by: Mark Fasheh --- fs/ocfs2/dlm/dlmmaster.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'fs') diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 9c5ef405bb3..427c0af0d21 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -619,6 +619,28 @@ static void dlm_lockres_release(struct kref *kref) mlog(0, "destroying lockres %.*s\n", res->lockname.len, res->lockname.name); + if (!hlist_unhashed(&res->hash_node) || + !list_empty(&res->granted) || + !list_empty(&res->converting) || + !list_empty(&res->blocked) || + !list_empty(&res->dirty) || + !list_empty(&res->recovering) || + !list_empty(&res->purge)) { + mlog(ML_ERROR, + "Going to BUG for resource %.*s." + " We're on a list! [%c%c%c%c%c%c%c]\n", + res->lockname.len, res->lockname.name, + !hlist_unhashed(&res->hash_node) ? 'H' : ' ', + !list_empty(&res->granted) ? 'G' : ' ', + !list_empty(&res->converting) ? 'C' : ' ', + !list_empty(&res->blocked) ? 'B' : ' ', + !list_empty(&res->dirty) ? 'D' : ' ', + !list_empty(&res->recovering) ? 'R' : ' ', + !list_empty(&res->purge) ? 'P' : ' '); + + dlm_print_one_lock_resource(res); + } + /* By the time we're ready to blow this guy away, we shouldn't * be on any lists. */ BUG_ON(!hlist_unhashed(&res->hash_node)); -- cgit v1.2.3