btrfs: remove unused parameter from __add_inode_ref

Unused since the helper has been split, eb used in the caller.
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/tree-log.c

@@ -994,7 +994,6 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
 				  struct btrfs_root *log_root,
 				  struct btrfs_inode *dir,
 				  struct btrfs_inode *inode,
-				  struct extent_buffer *eb,
 				  u64 inode_objectid, u64 parent_objectid,
 				  u64 ref_index, char *name, int namelen,
 				  int *search_done)
@@ -1310,7 +1309,7 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
 			if (!search_done) {
 				ret = __add_inode_ref(trans, root, path, log,
 						      BTRFS_I(dir),
-						      BTRFS_I(inode), eb,
+						      BTRFS_I(inode),
 						      inode_objectid,
 						      parent_objectid,
 						      ref_index, name, namelen,