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Diffstat (limited to 'fs/dlm/config.c')
-rw-r--r--fs/dlm/config.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index eac23bd288b2..492d8caaaf25 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -41,16 +41,20 @@ struct comm;
struct nodes;
struct node;
-static struct config_group *make_cluster(struct config_group *, const char *);
+static int make_cluster(struct config_group *, const char *,
+ struct config_group **);
static void drop_cluster(struct config_group *, struct config_item *);
static void release_cluster(struct config_item *);
-static struct config_group *make_space(struct config_group *, const char *);
+static int make_space(struct config_group *, const char *,
+ struct config_group **);
static void drop_space(struct config_group *, struct config_item *);
static void release_space(struct config_item *);
-static struct config_item *make_comm(struct config_group *, const char *);
+static int make_comm(struct config_group *, const char *,
+ struct config_item **);
static void drop_comm(struct config_group *, struct config_item *);
static void release_comm(struct config_item *);
-static struct config_item *make_node(struct config_group *, const char *);
+static int make_node(struct config_group *, const char *,
+ struct config_item **);
static void drop_node(struct config_group *, struct config_item *);
static void release_node(struct config_item *);
@@ -392,8 +396,8 @@ static struct node *to_node(struct config_item *i)
return i ? container_of(i, struct node, item) : NULL;
}
-static struct config_group *make_cluster(struct config_group *g,
- const char *name)
+static int make_cluster(struct config_group *g, const char *name,
+ struct config_group **new_g)
{
struct cluster *cl = NULL;
struct spaces *sps = NULL;
@@ -431,14 +435,15 @@ static struct config_group *make_cluster(struct config_group *g,
space_list = &sps->ss_group;
comm_list = &cms->cs_group;
- return &cl->group;
+ *new_g = &cl->group;
+ return 0;
fail:
kfree(cl);
kfree(gps);
kfree(sps);
kfree(cms);
- return NULL;
+ return -ENOMEM;
}
static void drop_cluster(struct config_group *g, struct config_item *i)
@@ -466,7 +471,8 @@ static void release_cluster(struct config_item *i)
kfree(cl);
}
-static struct config_group *make_space(struct config_group *g, const char *name)
+static int make_space(struct config_group *g, const char *name,
+ struct config_group **new_g)
{
struct space *sp = NULL;
struct nodes *nds = NULL;
@@ -489,13 +495,14 @@ static struct config_group *make_space(struct config_group *g, const char *name)
INIT_LIST_HEAD(&sp->members);
mutex_init(&sp->members_lock);
sp->members_count = 0;
- return &sp->group;
+ *new_g = &sp->group;
+ return 0;
fail:
kfree(sp);
kfree(gps);
kfree(nds);
- return NULL;
+ return -ENOMEM;
}
static void drop_space(struct config_group *g, struct config_item *i)
@@ -522,19 +529,21 @@ static void release_space(struct config_item *i)
kfree(sp);
}
-static struct config_item *make_comm(struct config_group *g, const char *name)
+static int make_comm(struct config_group *g, const char *name,
+ struct config_item **new_i)
{
struct comm *cm;
cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
if (!cm)
- return NULL;
+ return -ENOMEM;
config_item_init_type_name(&cm->item, name, &comm_type);
cm->nodeid = -1;
cm->local = 0;
cm->addr_count = 0;
- return &cm->item;
+ *new_i = &cm->item;
+ return 0;
}
static void drop_comm(struct config_group *g, struct config_item *i)
@@ -554,14 +563,15 @@ static void release_comm(struct config_item *i)
kfree(cm);
}
-static struct config_item *make_node(struct config_group *g, const char *name)
+static int make_node(struct config_group *g, const char *name,
+ struct config_item **new_i)
{
struct space *sp = to_space(g->cg_item.ci_parent);
struct node *nd;
nd = kzalloc(sizeof(struct node), GFP_KERNEL);
if (!nd)
- return NULL;
+ return -ENOMEM;
config_item_init_type_name(&nd->item, name, &node_type);
nd->nodeid = -1;
@@ -573,7 +583,8 @@ static struct config_item *make_node(struct config_group *g, const char *name)
sp->members_count++;
mutex_unlock(&sp->members_lock);
- return &nd->item;
+ *new_i = &nd->item;
+ return 0;
}
static void drop_node(struct config_group *g, struct config_item *i)