--- zzzz-none-000/linux-3.10.107/fs/dlm/lockspace.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/dlm/lockspace.c	2021-02-04 17:41:59.000000000 +0000
@@ -35,8 +35,11 @@
 static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
 	ssize_t ret = len;
-	int n = simple_strtol(buf, NULL, 0);
+	int n;
+	int rc = kstrtoint(buf, 0, &n);
 
+	if (rc)
+		return rc;
 	ls = dlm_find_lockspace_local(ls->ls_local_handle);
 	if (!ls)
 		return -EINVAL;
@@ -57,7 +60,10 @@
 
 static ssize_t dlm_event_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-	ls->ls_uevent_result = simple_strtol(buf, NULL, 0);
+	int rc = kstrtoint(buf, 0, &ls->ls_uevent_result);
+
+	if (rc)
+		return rc;
 	set_bit(LSFL_UEVENT_WAIT, &ls->ls_flags);
 	wake_up(&ls->ls_uevent_wait);
 	return len;
@@ -70,7 +76,10 @@
 
 static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-	ls->ls_global_id = simple_strtoul(buf, NULL, 0);
+	int rc = kstrtouint(buf, 0, &ls->ls_global_id);
+
+	if (rc)
+		return rc;
 	return len;
 }
 
@@ -81,7 +90,11 @@
 
 static ssize_t dlm_nodir_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-	int val = simple_strtoul(buf, NULL, 0);
+	int val;
+	int rc = kstrtoint(buf, 0, &val);
+
+	if (rc)
+		return rc;
 	if (val == 1)
 		set_bit(LSFL_NODIR, &ls->ls_flags);
 	return len;
@@ -190,7 +203,7 @@
 	else
 		kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE);
 
-	log_debug(ls, "%s the lockspace group...", in ? "joining" : "leaving");
+	log_rinfo(ls, "%s the lockspace group...", in ? "joining" : "leaving");
 
 	/* dlm_controld will see the uevent, do the necessary group management
 	   and then write to sysfs to wake us */
@@ -198,7 +211,7 @@
 	error = wait_event_interruptible(ls->ls_uevent_wait,
 			test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags));
 
-	log_debug(ls, "group event done %d %d", error, ls->ls_uevent_result);
+	log_rinfo(ls, "group event done %d %d", error, ls->ls_uevent_result);
 
 	if (error)
 		goto out;
@@ -640,7 +653,7 @@
 
 	dlm_create_debug_file(ls);
 
-	log_debug(ls, "join complete");
+	log_rinfo(ls, "join complete");
 	*lockspace = ls;
 	return 0;
 
@@ -706,9 +719,7 @@
 {
 	struct dlm_lkb *lkb = p;
 
-	if (!lkb->lkb_nodeid)
-		return 1;
-	return 0;
+	return lkb->lkb_nodeid == 0 && lkb->lkb_grmode != DLM_LOCK_IV;
 }
 
 static int lkb_idr_is_any(int id, void *p, void *data)
@@ -837,7 +848,7 @@
 	dlm_clear_members(ls);
 	dlm_clear_members_gone(ls);
 	kfree(ls->ls_node_array);
-	log_debug(ls, "release_lockspace final free");
+	log_rinfo(ls, "release_lockspace final free");
 	kobject_put(&ls->ls_kobj);
 	/* The ls structure will be freed when the kobject is done with */
 
@@ -883,17 +894,24 @@
 void dlm_stop_lockspaces(void)
 {
 	struct dlm_ls *ls;
+	int count;
 
  restart:
+	count = 0;
 	spin_lock(&lslist_lock);
 	list_for_each_entry(ls, &lslist, ls_list) {
-		if (!test_bit(LSFL_RUNNING, &ls->ls_flags))
+		if (!test_bit(LSFL_RUNNING, &ls->ls_flags)) {
+			count++;
 			continue;
+		}
 		spin_unlock(&lslist_lock);
 		log_error(ls, "no userland control daemon, stopping lockspace");
 		dlm_ls_stop(ls);
 		goto restart;
 	}
 	spin_unlock(&lslist_lock);
+
+	if (count)
+		log_print("dlm user daemon left %d lockspaces", count);
 }