Btrfs: remove tree_search() in extent_map.c

This patch removes tree_search() in extent_map.c because it is not called by
anything.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index ccbdcb54ec5d988f39690b33f9964c35da134e30..5a4f73b79b755906f5b445567ab0ebf17b903ebe 100644 (file)
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -155,20 +155,6 @@ static struct rb_node *__tree_search(struct rb_root *root, u64 offset,
        return NULL;
 }
 
-/*
- * look for an offset in the tree, and if it can't be found, return
- * the first offset we can find smaller than 'offset'.
- */
-static inline struct rb_node *tree_search(struct rb_root *root, u64 offset)
-{
-       struct rb_node *prev;
-       struct rb_node *ret;
-       ret = __tree_search(root, offset, &prev, NULL);
-       if (!ret)
-               return prev;
-       return ret;
-}
-
 /* check to see if two extent_map structs are adjacent and safe to merge */
 static int mergable_maps(struct extent_map *prev, struct extent_map *next)
 {