ocfs2/dlm: Link all lockres' to a tracking list
This patch links all the lockres' to a tracking list in dlm_ctxt.
We will use this in an upcoming patch that will walk the entire
list and to dump the lockres states to a debugfs file.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index b092364..4f7695c 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -644,6 +644,7 @@
void dlm_unregister_domain(struct dlm_ctxt *dlm)
{
int leave = 0;
+ struct dlm_lock_resource *res;
spin_lock(&dlm_domain_lock);
BUG_ON(dlm->dlm_state != DLM_CTXT_JOINED);
@@ -673,6 +674,15 @@
msleep(500);
mlog(0, "%s: more migration to do\n", dlm->name);
}
+
+ /* This list should be empty. If not, print remaining lockres */
+ if (!list_empty(&dlm->tracking_list)) {
+ mlog(ML_ERROR, "Following lockres' are still on the "
+ "tracking list:\n");
+ list_for_each_entry(res, &dlm->tracking_list, tracking)
+ dlm_print_one_lock_resource(res);
+ }
+
dlm_mark_domain_leaving(dlm);
dlm_leave_domain(dlm);
dlm_complete_dlm_shutdown(dlm);
@@ -1526,6 +1536,7 @@
INIT_LIST_HEAD(&dlm->reco.node_data);
INIT_LIST_HEAD(&dlm->purge_list);
INIT_LIST_HEAD(&dlm->dlm_domain_handlers);
+ INIT_LIST_HEAD(&dlm->tracking_list);
dlm->reco.state = 0;
INIT_LIST_HEAD(&dlm->pending_asts);