dlm: choose better identifiers

sparc32:

fs/dlm/config.c:397: error: expected identifier or '(' before '{' token
fs/dlm/config.c: In function 'drop_node':
fs/dlm/config.c:589: warning: initialization from incompatible pointer type
fs/dlm/config.c:589: warning: initialization from incompatible pointer type
fs/dlm/config.c: In function 'release_node':
fs/dlm/config.c:601: warning: initialization from incompatible pointer type
fs/dlm/config.c:601: warning: initialization from incompatible pointer type
fs/dlm/config.c: In function 'show_node':
fs/dlm/config.c:717: warning: initialization from incompatible pointer type
fs/dlm/config.c:717: warning: initialization from incompatible pointer type
fs/dlm/config.c: In function 'store_node':
fs/dlm/config.c:726: warning: initialization from incompatible pointer type
fs/dlm/config.c:726: warning: initialization from incompatible pointer type

Cc: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Teigland <teigland@redhat.com>

fs/dlm/config.c

@@ -380,24 +380,24 @@ static struct config_item_type node_type = {
 	.ct_owner = THIS_MODULE,
 };
 
-static struct dlm_cluster *to_cluster(struct config_item *i)
+static struct dlm_cluster *config_item_to_cluster(struct config_item *i)
 {
 	return i ? container_of(to_config_group(i), struct dlm_cluster, group) :
 		   NULL;
 }
 
-static struct dlm_space *to_space(struct config_item *i)
+static struct dlm_space *config_item_to_space(struct config_item *i)
 {
 	return i ? container_of(to_config_group(i), struct dlm_space, group) :
 		   NULL;
 }
 
-static struct dlm_comm *to_comm(struct config_item *i)
+static struct dlm_comm *config_item_to_comm(struct config_item *i)
 {
 	return i ? container_of(i, struct dlm_comm, item) : NULL;
 }
 
-static struct dlm_node *to_node(struct config_item *i)
+static struct dlm_node *config_item_to_node(struct config_item *i)
 {
 	return i ? container_of(i, struct dlm_node, item) : NULL;
 }
@@ -453,7 +453,7 @@ static struct config_group *make_cluster(struct config_group *g,
 
 static void drop_cluster(struct config_group *g, struct config_item *i)
 {
-	struct dlm_cluster *cl = to_cluster(i);
+	struct dlm_cluster *cl = config_item_to_cluster(i);
 	struct config_item *tmp;
 	int j;
 
@@ -471,7 +471,7 @@ static void drop_cluster(struct config_group *g, struct config_item *i)
 
 static void release_cluster(struct config_item *i)
 {
-	struct dlm_cluster *cl = to_cluster(i);
+	struct dlm_cluster *cl = config_item_to_cluster(i);
 	kfree(cl->group.default_groups);
 	kfree(cl);
 }
@@ -510,7 +510,7 @@ static struct config_group *make_space(struct config_group *g, const char *name)
 
 static void drop_space(struct config_group *g, struct config_item *i)
 {
-	struct dlm_space *sp = to_space(i);
+	struct dlm_space *sp = config_item_to_space(i);
 	struct config_item *tmp;
 	int j;
 
@@ -527,7 +527,7 @@ static void drop_space(struct config_group *g, struct config_item *i)
 
 static void release_space(struct config_item *i)
 {
-	struct dlm_space *sp = to_space(i);
+	struct dlm_space *sp = config_item_to_space(i);
 	kfree(sp->group.default_groups);
 	kfree(sp);
 }
@@ -549,7 +549,7 @@ static struct config_item *make_comm(struct config_group *g, const char *name)
 
 static void drop_comm(struct config_group *g, struct config_item *i)
 {
-	struct dlm_comm *cm = to_comm(i);
+	struct dlm_comm *cm = config_item_to_comm(i);
 	if (local_comm == cm)
 		local_comm = NULL;
 	dlm_lowcomms_close(cm->nodeid);
@@ -560,13 +560,13 @@ static void drop_comm(struct config_group *g, struct config_item *i)
 
 static void release_comm(struct config_item *i)
 {
-	struct dlm_comm *cm = to_comm(i);
+	struct dlm_comm *cm = config_item_to_comm(i);
 	kfree(cm);
 }
 
 static struct config_item *make_node(struct config_group *g, const char *name)
 {
-	struct dlm_space *sp = to_space(g->cg_item.ci_parent);
+	struct dlm_space *sp = config_item_to_space(g->cg_item.ci_parent);
 	struct dlm_node *nd;
 
 	nd = kzalloc(sizeof(struct dlm_node), GFP_KERNEL);
@@ -588,8 +588,8 @@ static struct config_item *make_node(struct config_group *g, const char *name)
 
 static void drop_node(struct config_group *g, struct config_item *i)
 {
-	struct dlm_space *sp = to_space(g->cg_item.ci_parent);
-	struct dlm_node *nd = to_node(i);
+	struct dlm_space *sp = config_item_to_space(g->cg_item.ci_parent);
+	struct dlm_node *nd = config_item_to_node(i);
 
 	mutex_lock(&sp->members_lock);
 	list_del(&nd->list);
@@ -601,7 +601,7 @@ static void drop_node(struct config_group *g, struct config_item *i)
 
 static void release_node(struct config_item *i)
 {
-	struct dlm_node *nd = to_node(i);
+	struct dlm_node *nd = config_item_to_node(i);
 	kfree(nd);
 }
 
@@ -635,7 +635,7 @@ void dlm_config_exit(void)
 static ssize_t show_cluster(struct config_item *i, struct configfs_attribute *a,
 			    char *buf)
 {
-	struct dlm_cluster *cl = to_cluster(i);
+	struct dlm_cluster *cl = config_item_to_cluster(i);
 	struct cluster_attribute *cla =
 			container_of(a, struct cluster_attribute, attr);
 	return cla->show ? cla->show(cl, buf) : 0;
@@ -645,7 +645,7 @@ static ssize_t store_cluster(struct config_item *i,
 			     struct configfs_attribute *a,
 			     const char *buf, size_t len)
 {
-	struct dlm_cluster *cl = to_cluster(i);
+	struct dlm_cluster *cl = config_item_to_cluster(i);
 	struct cluster_attribute *cla =
 		container_of(a, struct cluster_attribute, attr);
 	return cla->store ? cla->store(cl, buf, len) : -EINVAL;
@@ -654,7 +654,7 @@ static ssize_t store_cluster(struct config_item *i,
 static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
 			 char *buf)
 {
-	struct dlm_comm *cm = to_comm(i);
+	struct dlm_comm *cm = config_item_to_comm(i);
 	struct comm_attribute *cma =
 			container_of(a, struct comm_attribute, attr);
 	return cma->show ? cma->show(cm, buf) : 0;
@@ -663,7 +663,7 @@ static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
 static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
 			  const char *buf, size_t len)
 {
-	struct dlm_comm *cm = to_comm(i);
+	struct dlm_comm *cm = config_item_to_comm(i);
 	struct comm_attribute *cma =
 		container_of(a, struct comm_attribute, attr);
 	return cma->store ? cma->store(cm, buf, len) : -EINVAL;
@@ -717,7 +717,7 @@ static ssize_t comm_addr_write(struct dlm_comm *cm, const char *buf, size_t len)
 static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
 			 char *buf)
 {
-	struct dlm_node *nd = to_node(i);
+	struct dlm_node *nd = config_item_to_node(i);
 	struct node_attribute *nda =
 			container_of(a, struct node_attribute, attr);
 	return nda->show ? nda->show(nd, buf) : 0;
@@ -726,7 +726,7 @@ static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
 static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
 			  const char *buf, size_t len)
 {
-	struct dlm_node *nd = to_node(i);
+	struct dlm_node *nd = config_item_to_node(i);
 	struct node_attribute *nda =
 		container_of(a, struct node_attribute, attr);
 	return nda->store ? nda->store(nd, buf, len) : -EINVAL;
@@ -771,7 +771,7 @@ static struct dlm_space *get_space(char *name)
 	i = config_group_find_item(space_list, name);
 	mutex_unlock(&space_list->cg_subsys->su_mutex);
 
-	return to_space(i);
+	return config_item_to_space(i);
 }
 
 static void put_space(struct dlm_space *sp)
@@ -818,7 +818,7 @@ static struct dlm_comm *get_comm(int nodeid, struct sockaddr_storage *addr)
 	mutex_lock(&clusters_root.subsys.su_mutex);
 
 	list_for_each_entry(i, &comm_list->cg_children, ci_entry) {
-		cm = to_comm(i);
+		cm = config_item_to_comm(i);
 
 		if (nodeid) {
 			if (cm->nodeid != nodeid)