Btrfs: remove unused max_key arg from btrfs_search_forward

It is not used for anything.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
index dd0dea3..fbda900 100644
--- a/fs/btrfs/uuid-tree.c
+++ b/fs/btrfs/uuid-tree.c
@@ -260,7 +260,6 @@
 {
 	struct btrfs_root *root = fs_info->uuid_root;
 	struct btrfs_key key;
-	struct btrfs_key max_key;
 	struct btrfs_path *path;
 	int ret = 0;
 	struct extent_buffer *leaf;
@@ -277,13 +276,10 @@
 	key.objectid = 0;
 	key.type = 0;
 	key.offset = 0;
-	max_key.objectid = (u64)-1;
-	max_key.type = (u8)-1;
-	max_key.offset = (u64)-1;
 
 again_search_slot:
 	path->keep_locks = 1;
-	ret = btrfs_search_forward(root, &key, &max_key, path, 0);
+	ret = btrfs_search_forward(root, &key, path, 0);
 	if (ret) {
 		if (ret > 0)
 			ret = 0;