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-rw-r--r--lib/btree.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/lib/btree.c b/lib/btree.c
index b4cf08a5c267..49420cae3a83 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -238,7 +238,7 @@ static int keyzero(struct btree_geo *geo, unsigned long *key)
return 1;
}
-void *btree_lookup(struct btree_head *head, struct btree_geo *geo,
+static void *btree_lookup_node(struct btree_head *head, struct btree_geo *geo,
unsigned long *key)
{
int i, height = head->height;
@@ -257,7 +257,16 @@ void *btree_lookup(struct btree_head *head, struct btree_geo *geo,
if (!node)
return NULL;
}
+ return node;
+}
+void *btree_lookup(struct btree_head *head, struct btree_geo *geo,
+ unsigned long *key)
+{
+ int i;
+ unsigned long *node;
+
+ node = btree_lookup_node(head, geo, key);
if (!node)
return NULL;
@@ -271,23 +280,10 @@ EXPORT_SYMBOL_GPL(btree_lookup);
int btree_update(struct btree_head *head, struct btree_geo *geo,
unsigned long *key, void *val)
{
- int i, height = head->height;
- unsigned long *node = head->node;
-
- if (height == 0)
- return -ENOENT;
-
- for ( ; height > 1; height--) {
- for (i = 0; i < geo->no_pairs; i++)
- if (keycmp(geo, node, i, key) <= 0)
- break;
- if (i == geo->no_pairs)
- return -ENOENT;
- node = bval(geo, node, i);
- if (!node)
- return -ENOENT;
- }
+ int i;
+ unsigned long *node;
+ node = btree_lookup_node(head, geo, key);
if (!node)
return -ENOENT;
@@ -798,4 +794,3 @@ module_exit(btree_module_exit);
MODULE_AUTHOR("Joern Engel <joern@logfs.org>");
MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
-MODULE_LICENSE("GPL");