1 files changed, 40 insertions, 10 deletions

diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index c3ad1dff3b25..eac23bd288b2 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -114,7 +114,7 @@ struct cluster_attribute {
 };
 
 static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
-                           unsigned int *info_field, int check_zero,
+                           int *info_field, int check_zero,
                            const char *buf, size_t len)
 {
         unsigned int x;
@@ -284,6 +284,7 @@ struct node {
         struct list_head list; /* space->members */
         int nodeid;
         int weight;
+        int new;
 };
 
 static struct configfs_group_operations clusters_ops = {
@@ -565,6 +566,7 @@ static struct config_item *make_node(struct config_group *g, const char *name)
         config_item_init_type_name(&nd->item, name, &node_type);
         nd->nodeid = -1;
         nd->weight = 1;  /* default weight of 1 if none is set */
+        nd->new = 1;     /* set to 0 once it's been read by dlm_nodeid_list() */
 
         mutex_lock(&sp->members_lock);
         list_add(&nd->list, &sp->members);
@@ -805,12 +807,13 @@ static void put_comm(struct comm *cm)
 }
 
 /* caller must free mem */
-int dlm_nodeid_list(char *lsname, int **ids_out)
+int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
+                    int **new_out, int *new_count_out)
 {
         struct space *sp;
         struct node *nd;
-        int i = 0, rv = 0;
-        int *ids;
+        int i = 0, rv = 0, ids_count = 0, new_count = 0;
+        int *ids, *new;
 
         sp = get_space(lsname);
         if (!sp)
@@ -818,23 +821,50 @@ int dlm_nodeid_list(char *lsname, int **ids_out)
 
         mutex_lock(&sp->members_lock);
         if (!sp->members_count) {
-                rv = 0;
+                rv = -EINVAL;
+                printk(KERN_ERR "dlm: zero members_count\n");
                 goto out;
         }
 
-        ids = kcalloc(sp->members_count, sizeof(int), GFP_KERNEL);
+        ids_count = sp->members_count;
+
+        ids = kcalloc(ids_count, sizeof(int), GFP_KERNEL);
         if (!ids) {
                 rv = -ENOMEM;
                 goto out;
         }
 
-        rv = sp->members_count;
-        list_for_each_entry(nd, &sp->members, list)
+        list_for_each_entry(nd, &sp->members, list) {
                 ids[i++] = nd->nodeid;
+                if (nd->new)
+                        new_count++;
+        }
+
+        if (ids_count != i)
+                printk(KERN_ERR "dlm: bad nodeid count %d %d\n", ids_count, i);
+
+        if (!new_count)
+                goto out_ids;
+
+        new = kcalloc(new_count, sizeof(int), GFP_KERNEL);
+        if (!new) {
+                kfree(ids);
+                rv = -ENOMEM;
+                goto out;
+        }
 
-        if (rv != i)
-                printk("bad nodeid count %d %d\n", rv, i);
+        i = 0;
+        list_for_each_entry(nd, &sp->members, list) {
+                if (nd->new) {
+                        new[i++] = nd->nodeid;
+                        nd->new = 0;
+                }
+        }
+        *new_count_out = new_count;
+        *new_out = new;
 
+ out_ids:
+        *ids_count_out = ids_count;
         *ids_out = ids;
  out:
         mutex_unlock(&sp->members_lock);