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-rw-r--r--fs/ocfs2/dlm/dlmmaster.c22
1 files changed, 22 insertions, 0 deletions
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));